High Efficiency Fast Response, 8A, 28V Input, Fixed 5.1V Output Synchronous Buck Converter with 100mA 5V LDO
SY83088CRHC Features
Low \mathsf { R } _ { \mathsf { D S ( O N ) } } for Internal MOSFETs: 20mΩ Top, 10mΩ Bottom TV
Wide Input Voltage Range: 5.5V \~ 24V
Fixed 5.1V Output Voltage
Large Duty Cycle On-Time Stretch
8A Continuous Output Current Capability
100mA LDO Current Capability
600kHz Pseudo-Constant Frequency
± 1 . 5 % Internal Reference Voltage
Internal 0.8ms Soft-Start Limits the Inrush Current
Constant On-Time and Ripple-Based Control to Achieve Fast Transient Responses
Integrated 1.5Ω Bypass Switch
Applications
LCD-TV/Net-TV/3D
Set Top Box
Notebook
High Power AP
PFM/USM Selectable Light Load Operation Mode Power Good Indicator Output Auto-Discharge Function Cycle-by-Cycle Valley and Peak Current Limit Protection Latch-Off Mode Output Under Voltage Protection for Buck Latch-Off Mode Output Over Voltage Protection for Buck Latch-Off Mode Over Temperature Protection for Buck Auto-Recovery Mode Output Under Voltage Protection for L Auto-Recovery Mode Over Temperature Protection for LDO Input Under Voltage Lockout(UVLO) RoHS Compliant and Halogen Free Compact Package: QFN2.5x2.5-16
High Efficiency Fast Response 10A, 23V Input Synchronous Step Down Regulator
SY8270FTMC Features
• Low \mathsf { R } _ { \mathsf { D S ( O N ) } } for Internal Switches (top/bottom): 18/8mΩ
• Wide Input Voltage Range: 5.5\~23V
• On-time Stretch Operation During Large Duty Cycle Condition
• Integrated Bypass Switch: 1.5Ω
• 5V Optional BYP Input
• Instant PWM Architecture to Achieve Fast Transient Responses
• Internal 0.8ms Soft-start Limits the Inrush Current
Applications
• Pseudo-constant Frequency: 600kHz.
• 10A Continuous Output Current Capability • Adjustable Output Voltage Application
• ± 1 % Internal Reference Voltage Accuracy • Power Good Indicator
• Output Discharge Function
• Output Under Voltage, Over Voltage Latch O • Input UVLO
• Over Temperature Protection
• RoHS Compliant and Halogen Free
• Compact Package: \mathsf { Q F N 3 } x 4 - 1 3
LCD-TV/Net-TV/3DTV
Set Top Box
Notebook
High Power AP
SY8371BTMC - 10A, 28V Input, Sync Buck
Features
Applications
Low \mathsf { R } _ { \mathsf { D S ( O N ) } } for Internal Switches (Top/Bottom): 18/8mΩ
Wide Input Voltage Range: 4\~24V
Integrated Bypass Switch: 1.5Ω
Instant PWM Architecture to Achieve Fast Transient Responses
Internal Soft-start Limits the Inrush Current
Pseudo-constant Frequency: 600kHz
Fixed 3.36V Output Voltage
10A Output Current Capability
100mA LDO Current Capability
± 1 % Internal Reference Voltage
PFM/USM Selectable Light Load Operation Mode
Power Good Indicator
Output Discharge Function
Cycle-by-cycle Valley Current and Peak Current Limit Protection
Latch-off Mode Output Under Voltage Protection for Buck
Latch-off Mode Output Over Voltage Protection for Buck
Latch-off Mode Over Temperature Protection for Buck
Auto-recovery Mode Output Under Voltage Protection for LDO
Auto-recovery Mode Over Temperature Protection for LDO
Input Under Voltage Lock-out(UVLO)
Compact Package: QFN3x4-13
LCD-TV/Net-TV/3DTV
Set Top Box
Notebook
High Power AP
Desk-top
SY8370TMC/SY8370C1TMC/SY8370FTMC - 11A, 28V Input Sync Buck
Features
Applications
Low \mathsf { R } _ { \mathsf { D S ( O N ) } } for Internal Switches (Top/Bottom): 17/7.5mΩ
Wide Input Voltage Range: 5 . 5 { ~ } 2 4 \lor
Integrated Bypass Switch: 1.5Ω
Instant PWM Architecture to Achieve Fast Transient Responses
Internal Soft-start Limits the Inrush Current
Pseudo-constant Frequency: 600kHz
SY8370:Adjustable Output Voltage Application
SY8370C1:Fixed 5.15V Output Voltage
SY8370F:Adjustable Output Voltage: 1V \~ 12V
11A Output Current Capability
100mA LDO Current Capability
± 1 . 5 % Internal Reference Voltage
PFM/USM Selectable Light Load Operation Mode
Power Good Indicator
Output Discharge Function
Cycle-by-cycle Valley and Peak Current Protection for Buck
Latch-off Mode Output Under Voltage Protection for Buck
Latch-off Mode Output Over Voltage Protection for Buck
Latch-off Mode Over Temperature Protection for Buck
Auto-recovery Mode Output Under Voltage Protection for LDO
Auto-recovery Mode Over Temperature Protection for LDO
Input Under Voltage Lock-out(UVLO)
Compact package: \mathsf { Q F N 3 } x 4 - 1 3 3
LCD-TV/Net-TV/3DTV
Set Top Box
Notebook
High Power AP
SY83012CTMC
- High Efficiency Fast Response, 12A, 25V Input, Fixed 5.15V Output Synchronous Buck Converter with 100mA 5V LDO
Features
Low RDS(ON) for Internal MOSFETs: 10mΩ Top, 5mΩ Bottom Wide Input Voltage Range: 5 . 5 \mathsf { V } ~ 2 5 \mathsf { V } Fixed 5.15V Output Voltage Support 9 8 % Duty Cycle Operation 12A Continuous Output Current Capability 100mA LDO Current Capability 3 5 \mu \mathsf { A } Low Quiescent Current 1Ω Integrated Bypass Switch 600kHz Pseudo-Constant Frequency ± 1 % Internal Reference Voltage under { - 4 0 ^ { \circ } } C \~ 125°C PFM/USM Selectable Light Load Operation Mode Internal 0.8ms Soft-Start Limits the Inrush Current Support Smooth Startup with Pre-Biased Output Constant On-time and Ripple-Based Control to Achieve Fast Transient Responses Power Good Indicator Output Auto-Discharge Function Cycle-by-Cycle Valley, Peak and Reverse Over Current Protection (OCP) for Buck Latch-off Mode Output Under Voltage Protection (UVP) for Buck Latch-off Mode Output Over Voltage Protection (OVP) for Buck Latch-off Mode Over Temperature Protection (OTP) for Buck Auto-recovery Mode Output Under Voltage (UVP) Protection for LDO Auto-recovery Mode Over Temperature Protection (OTP) for LDO Input Under Voltage Lockout (UVLO) RoHS Compliant and Halogen Free Compact Package: QFN3 x 4-13
Applications
Notebook/PC
LCD-TV/Net-TV/3DTV
Set Top Box
Monitor
High Power AP
SY8201ABC/SY8201CABC- High Efficiency Fast Response, 1A, 27V Input Sync Buck
Features
Applications
Low RDS(ON) for Internal Switches (Top/Bottom): 350/150 mΩ
4.5-27V Input Voltage Range
Instant PWM Architecture to Achieve Fast Transient Responses
Internal Soft-start Limits the Inrush Current
2 % 0.6V Reference
RoHS Compliant and Halogen Free
Compact Package: SOT23-6
Set Top Box
Portable TV
Access Point Router
DSL Modem
LCD TV
SY8202ADC- 1.7A, 28V Input Sync Buck Features
Applications
Low \mathsf { R } _ { \mathsf { D S ( O N ) } } for Internal Switches (Top/Bottom): 350mΩ/150mΩ
4.5V-28V Input Voltage Range
1.7A Output Current Capability
500kHz Switching Frequency Minimizes the External Components
Instant PWM Architecture to Achieve Fast Transient Responses
Internal Soft-start Limits the Inrush Current
Cycle-by-cycle Valley Current Limitation
± 2 . 0 % 0.6V Reference
RoHS Compliant and Halogen Free
Compact Package: TSOT23-6
Set Top Box
Portable TV
Access Point Router
DSL Modem
LCD TV
SY82802ABT/SY82802BABT - High Efficiency, 600kHz, 2A, 30V Input Synchronous Buck Converter
Features
Low \mathsf { R } _ { \mathsf { D S ( O N ) } } for Internal MOSFETs: 150mΩ Top, 115mΩ Bottom
Wide Input Voltage Range: 4 . 5 \mathsf { V } ~ 3 0 \mathsf { V }
Up to 2A Output Current
± 1 % 0.6V Reference over Temperature from { - 4 0 ^ { \circ } } C to 1 2 5 ^ { \circ } C
Precise EN Threshold
Pulse-Frequency Modulation(PFM) Mode Operation for SY82802
Forced Continuous Conduction Mode(FCCM) Operation for
SY82802B
Internal Soft-Start Limits the Inrush Current
Support Smooth Startup with Pre-Biased Output
600kHz Switching Frequency Minimizes the External Components for
SY82802
1200kHz Switching Frequency Minimizes the External Components
for SY82802B
Advanced Constant On-time and Ripple-Based Control to Achieve
Fast Transient Responses
Cycle-by-Cycle Valley and Peak Current Limit Protection
Hic-Cup Mode Output Under Voltage Protection
Auto-Recovery Mode Over Temperature Protection
Input Under Voltage Lockout (UVLO)
RoHS-Compliant and Halogen-Free
Compact Package: SOT23-6
Moisture Sensitivity Level (MSL): 1
Applications
Set Top Box Portable TV DSL Modem LCD TV IP CAM Networking
SY83088BRHC - High Efficiency Fast Response, 8A, 28V Input Synchronous Buck Converter with 100mA 3.3V LDO
Features
Applications
Low RDS(ON) for Internal MOSFETs: 20mΩ Top, 10mΩ Bottom Wide Input Voltage Range: 4V \~ 24V LCD-TV/Net-TV/3DTV Set Top Box
Fixed 3.338V Output Voltage
8A Continuous Output Current Capability NHiogthebPoowker AP
600kHz Pseudo-Constant Frequency
± 1 % Internal Reference Voltage
Internal 1.2ms Soft-Start Limits the Inrush Current VIN:4V\~24y CIN CIN IN PG PG (Open Drain Output)
Constant On-Time and Ripple-Based Control to Achieve Fast GND BS Transient Responses VoUT
Integrated 3.3V LDO with 100mA Current Capability (FloatingornctedtCGD) TEST LX Cou
Integrated 1.5Ω Bypass Switch OUT
PFM/USM Selectable Light Load Operation Mode ON/OFF EN1 FF CFF R
Power Good Indicator
Output Auto-Discharge Function ON/OFF EN2 LDO VLD
Cycle-by-Cycle Valley and Peak Current Limit Protection for buck
Latch-off Mode Output Under Voltage Protection for buck
Latch-off Mode Output Over Voltage Protection for buck
Latch-off Mode Over Temperature Protection for buck
Auto-Recovery Mode Output Under Voltage Protection for LDO
Auto-Recovery Mode Over Temperature Protection for LDO
Input Under Voltage Lockout (UVLO)
RoHS Compliant and Halogen Free
Compact package: QF { \mathsf { N } } 2 . 5 { x } 2 . 5 { - } 1 6
SY82852ABT/SY82852BABT - High Efficiency, 600kHz, 2A, 30V Input Synchronous Buck Converter
Features
Applications
• Low \mathsf { R } _ { \mathsf { D S ( O N ) } } for Internal MOSFETs: 1 5 0 { m } \Omega Top, 115mΩ Bottom Set Top Box
• Wide Input Voltage Range: 4 . 5 \mathsf { V } ~ 3 0 \mathsf { V } Portable TV
• Up to 2A Output Current DSL Modem
• ± 1 % 0.6V Reference over Temperature from { - 4 0 ^ { \circ } } C to 1 2 5 ^ { \circ } C LCD TV
• Precise EN Threshold IP CAM
• Pulse-Frequency Modulation(PFM) Mode Operation for SY82852 Networking
• Forced Continuous Conduction Mode(FCCM) Operation for SY82852B
• Internal Soft-Start Limits the Inrush Current
• Support Smooth Startup with Pre-Biased Output
• 600kHz Switching Frequency Minimizes the External Components for SY82852
• 1200kHz Switching Frequency Minimizes the External Components for SY82852B
• Advanced Constant On-time and Ripple-Based Control to Achieve Fast Transient Response
• Cycle-by-Cycle Valley and Peak Current Limit Protection
• Hic-Cup Mode Output Under Voltage Protection
• Auto-Recovery Mode Over Temperature Protection • Input Under Voltage Lockout (UVLO) • RoHS-Compliant and Halogen-Free • Compact Package: SOT23-6 • Moisture Sensitivity Level (MSL): 1
SY82852GABT - High Efficiency, 1100kHz, 0.6A, 30V Input, 3.3V Output Synchronous Buck Converter
Features
Low \mathsf { R } _ { \mathsf { D S ( O N ) } } for Internal MOSFETs: 160mΩ Top, 120mΩ Bottom Wide Input Voltage Range: 4 . 5 \mathsf { V } ~ 3 0 \mathsf { V } Up to 0.6A Output Current Capability Fixed 3.3V Output Voltage Precise EN Threshold FCCM Light Load Operation Mode for Small Ripple Internal Soft-Start Limits the Inrush Current Support Smooth Startup with Pre-Bias Output 1100kHz Switching Frequency Minimize the External Components Constant On-Time and Advanced Ripple-Based Mode Control Strategy Cycle-by-Cycle Valley and Peak Current Limit Protection Hic-Cup Mode Output Under Voltage Protection Auto Recovery Mode Over Temperature Protection Input Under Voltage Lockout (UVLO) RoHS Compliant and Halogen Free Compact Package SOT23-6 Moisture Sensitivity Level (MSL): 1
Applications
LCD-TV/Net-TV/3D-TV
Set Top Box
Notebook
High Power AP
SY82808WYQ - High Efficiency Fast Response, 9 8 % Duty, 8A, 30V Input Synchronous Buck Converter
Features
Applications
Low RDS(ON) for Internal MOSFETs: 2 0 \mathsf { m } \Omega Top, 10mΩ Bottom
Wide Input Voltage Range: 4 . 5 \mathsf { V } ~ 3 0 \mathsf { V }
Adjustable Output Voltage: 0 . 6 \mathsf { V } ~ 2 4 \mathsf { V }
High Duty Cycle Capable using On-Time Stretch
8A Continuous Output Current Capability
500kHz Pseudo-Constant Frequency
± 1 . 5 % 0.6V Reference under { - 4 0 ^ { \circ } } C \~125°C
Precise EN Threshold
Internal 1ms Soft-Start Limits the Inrush Current
Support Smooth Startup with Pre-Biased Output
Constant On-time and Ripple-Based Control to Achieve Fast Transient Respo
Selectable PFM/FCCM Light Load Operation by
MODE Pin
Power Good Indicator
Optional BYP Input for Power Saving
Output Auto-Discharge Function
Selectable Peak and Valley Current Limit
Threshold by MODE Pin
Cycle-by-Cycle Valley and Peak Current Limit Protec
Hic-Cup Mode Output Under Voltage Protection
Auto-Recovery Mode Over Temperature Protection
Input Under Voltage Lockout (UVLO)
RoHS Compliant and Halogen Free
Compact Package: QFN2 x 3-14
LCD-TV/Net-TV/3DTV
Set Top Box
Monitor
High Power AP
SY83088RHC - High Efficiency, Fast Response, 8A, 28V Input Synchronous Buck Converter
Features
Low RDS(ON) for Internal MOSFETs: 20mΩ Top, 10mΩ Bottom Wide Input Voltage Range: 4V \~ 24V Adjustable Output Voltage: 0 . 6 \mathsf { V } ~ 2 . 5 \mathsf { V } 8A Continuous Output Current Capability 500kHz Pseudo-Constant Frequency ± 1 % Internal Reference Voltage Internal 0.6ms Soft-Start Limits the Inrush Current Support Smooth Startup with Pre-Biased Output Constant On-Time and Ripple-Based Control to Achieve Excellent Dynamic Performance Integrated 1.5Ω Bypass Switch PFM/USM Selectable Light Load Operation Mode Power Good Indicator Output Auto-Discharge Function Adjustable Valley Current Limit Threshold by ILMT Pin Cycle-by-Cycle Peak and Valley Current Limit Protection Latch-off Mode Output Under Voltage Protection Latch-off Mode Output Over Voltage Protection Latch-off Mode Over Temperature Protection Input Under Voltage Lockout (UVLO) RoHS Compliant and Halogen Free Compact package: Q : N 2 . 5 x 2 . 5 - 1 0 6
Applications
LCD-TV/Net-TV/3D-TV
Set Top Box
Notebook
High Power AP
SY83071BTMC - High Efficiency Fast Response, 10A, 28V Input Synchronous Buck Converter with 100mA 3.3V LDO
Features
Applications
Low \mathsf { R } _ { \mathsf { D S ( O N ) } } for Internal MOSFETs: 18mΩ Top, 8mΩ Bottom LCD-TV/Net-TV/3DTV
Wide Input Voltage Range: 4V \~ 24V Set Top Box
Fixed 3.36V Output Voltage
10A Continuous Output Current Capability Notebook
600kHz Pseudo-Constant Frequency High Power AP
± 1 % Internal Reference Voltage
Internal 1.2ms Soft-Start Limits the Inrush Current Constant On-Time and Ripple-Based Control to Achieve Fast Transient Responses Integrated 3.3V LDO with 100mA Current Capability VIN: 4V\~24V CIN IN PG PG (Open Drain Output)
Integrated 1.5Ω Bypass Switch GND BS
. PFM/USM Selectable Light Load Operation Mode TES TEST LX Vo Power Good Indicator (Floating or co inected toGND) Cα OUT Output Auto-Discharge Function RF
Cycle-by-Cycle Valley and Peak Current Limit Protection for buck EN1 FF Latch-off Mode Output Under Voltage Protection for buck ON/OFF EN2 LDO Latch-off Mode Output Over Voltage Protection for buck Latch-off Mode Over Temperature Protection for buck Auto-Recovery Mode Output Under Voltage Protection for LDO
Auto-Recovery Mode Over Temperature Protection for LDO Input Under Voltage Lockout (UVLO) RoHS Compliant and Halogen Free
Compact package: \mathsf { Q F N 3 } x 4 - 1 13
Moisture Sensitivity Level (MSL): 3
SY82012TMC - High Efficiency Fast Response, 12A, 28V Input Synchronous Step Down Regulator
Features
Applications
Low RDS(ON) for Internal Switches (Top/Bottom): 16/7 mΩ
Wide Input Voltage Range: 4\~24V
Integrated Bypass Switch: 1 . 5 \Omega
Instant PWM Architecture to Achieve Fast Transient Response
Internal Soft-start Limits the Inrush Current
Pseudo-Constant Frequency: 500kHz
Adjustable Output Voltage Application
12A Output Current Capability
± 1 % Internal Reference Voltage
PFM/USM Selectable Light Load Operation
Mode
Power Good Indicator
Output Discharge Function
Cycle-by-cycle Valley and Peak Current Limit Protection
Programmable Valley Current Limit Threshold by ILMT Pin
Latch-off Mode Output Under Voltage Protection
Latch-off Mode Output Over Voltage Protection
Latch-off Mode Over Temperature Protection
Input UVLO
RoHS Compliant and Halogen Free
Compact Package: QFN3×4-13
LCD-TV/Net-TV/3DTV
Set Top Box
Notebook
High Power AP
Desk-top
SY8263AIC- 3A, 30V Input, Sync Buck
Features
Low \mathsf { R } _ { \mathsf { D S ( O N ) } } for Internal Switches (Top/Bottom): 110/70 mΩ 4.5-30V Input Voltage Range
Internal Compensation
Internal 1ms Soft-start Limits the Inrush Current
Adjustable Switching Frequency Range: 500kHz to 2.5MHz
3A Output Current Capability
1 . 5 % 0.6V Reference
Low Quiescent Current
Cycle-by-cycle Peak Current Limit
Short Circuit Protection
Thermal Shutdown and Auto Recovery
RoHS Compliant and Halogen Free
Compact Package: TSOT23-8
Applications
LCD-TV
SetTop Box
Notebook
Storage
High Power AP Router
Networking
SY8205DNC/SY8205ADNC/SY8205FCC
- 5A, 30V Input, Synchronous Step-Down Regulator
Features
Applications
Low RDS(ON) for Internal Switches
4.5-30V Input Voltage Range
Instant PWM Architecture to Achieve Fast Transient Responses
External Soft-start Limits the Inrush Current
Pseudo-constant Frequency: 500kHz at Heavy Loads
5A Continuous, 6A /10A Peak Load Current Capability Internal 4 0 0 \mu \ s Soft-start Limits the Inrush Curr ± 1 % 0 . 6 \mathsf { V } Reference Programmable Valley Current Limit Power Good Indicator Output Discharge Function Short Circuit Latch Off Protection Over Voltage Latch Off Protection Input UVLO
SY8205(DFN/SO8) 1 . 5 % 0.6V Reference
Output Over Current Limit Output Short Circuit Protection with Current Fold Back Thermal Shutdown and Auto Recovery RoHS Compliant and Halogen Free Compact Package: DFN4 x 3 -12/SO8E/QFN3x4-13
LCD-TV
SetTop Box
Notebook
Storage
High Power AP Router
Networking
SY8246DNC/SY8246ADNC – High Efficiency Fast Response 5A continuous, 6A peak current, 30V Input Synchronous Step Down Regulator
Features
Applications
Low RDS(ON) for internal switches (top/bottom): 70/40 mΩ
4.5-30V input voltage range
Instant PWM architecture to achieve fast transient
responses
External softstart limits the inrush current
Pseudo-constant frequency: 500kHz
5A continuous, 6A peak load current capability
1 . 5 % 0.6V reference VIN
Output over current limit
Output short circuit protection with current fold back
Thermal shutdown and auto recovery
Output over voltage latch off protection(SY8246A)
RoHS Compliant and Halogen Free
Compact package: DFN3x4-12
LCD-TV
SetTop Box
Notebook
Storage
High power AP router
Networking
DVR/NVR(SY8246A)
NAS(SY8246A)
SY82806WYQ – High Efficiency Fast Response, 9 8 % Duty, 6A, 30V Sync Buck
Features
Low \mathsf { R } _ { \mathsf { D S ( O N ) } } for Internal MOSFETs: 40mΩ Top, 20mΩ
Bottom
Wide Input Voltage Range: 4 . 5 \mathsf { V } ~ 3 0 \mathsf { V }
Adjustable Output Voltage: 0 . 6 \mathsf { V } ~ 2 4 \mathsf { V }
6A Continuous Output Current Capability
500kHz Pseudo-Constant Frequency
± 1 . 5 % 0.6V Reference under - 4 0 ^ { \circ } sf { C } { ~ } 1 2 5 ^ { \circ } sf { C }
Precise EN Threshold
Internal 1ms Soft-Start Limits the Inrush Current
Support Smooth Startup with Pre-Biased Output
Constant On-time and Ripple-Based Control to Achieve Fast
Transient Responses
PFM Light Load Operation for High Efficiency
Power Good Indicator
Output Auto-Discharge Function
Cycle-by-Cycle Valley and Peak Current Limit Protection
Hic-Cup Mode Output Under Voltage Protection
Auto-Recovery Mode Over Temperature Protection
Input Under Voltage Lockout (UVLO)
RoHS Compliant and Halogen Free
Compact Package: \mathsf { Q } \mathsf { F N } \mathsf { 2 } x 3 { - } 1 4 4
Moisture Sensitivity Level (MSL): 1
Applications
LCD-TV/Net-TV/3DTV
Set Top Box
Monitor
High Power AP
SY8205DNC/SY8205FCC - 5A, 30V Input, Synchronous Step-Down
Regulator
Features
Applications
• Low RDS(ON) for internal switches (top/bottom): 70/40 mΩ
• 4.5-30V input voltage range
• Instant PWM architecture to achieve fast transient responses
• External softstart limits the inrush current
• Pseudo-constant frequency: 500kHz
• 5A continuous, 6A peak load current capability
• 1 . 5 % 0.6V reference
• Short circuit latch off protection
• Output over voltage latch off protection
• Thermal shutdown
• RoHS Compliant and Halogen Free
• Compact package: DFN3x4-12
LCD-TV
SetTop Box
Notebook
Storage
High Power AP Router
Networking
SY8366QNC/SY8366AQQC/SY8366HQQC/SY8366KQQCFeatures Applications
Low RDS(ON) for Internal Switches (Top/Bottom): 40/20mΩ
Wide Input Voltage Range: 4-28V
Instant PWM Architecture to Achieve Fast Transient Responses
SY8366: Internal 4 0 0 \mu \ s Soft-start
SY8366H/K/SY8366A: Internal 6 0 0 \mu \ s Soft-start
SY8366/H/K/SY8366A: Pseudo-constant Frequency: 800kHz SY8366K: Pseudo-constant Frequency: 500kHz.
6A Continuous/12A Peak Output Current Capability
± 1 . 5 % 0.6V Reference
Programmable Peak Current Limit
Power Good Indicator
Output Discharge Function
Short Circuit Latch Off Protection
Over Voltage Latch Off Protection
SY8366H/K/SY8366A: Hic-cup Mode Output Short Circuit Protec SY8366A:Hic-cup mode output over voltage protection
Input UVLO
Over Temperature Protection
RoHS Compliant and Halogen Free
Compact Package: QFN3x3-10
LCD-TV/Net-TV/3DTV
Set Top Box
Notebook
High Power AP
6A, 28V Input, Sync Buck SY8368AQQC/SY8368LQQC Features
4.0-28V Wide Input Voltage Range
Low \mathsf { R } _ { \mathsf { D S ( O N ) } } for Internal Switches: 20/10mΩ
Instant PWM Architecture to Achieve Fast Transient Response
Internal 6 0 0 \mu \ s Soft-start Limits the Inrush Current
SY8368A: Pseudo-constant Frequency: 800kHz
SY83688L: Pseudo-constant Frequency: 500kHz
8A Continuous, 16A Peak Output Current Capability
± 1 % 0.6V Reference Voltage
Hiccup Mode SCP, OVP
SY8368L: PSM/FCCM Selectable Light Load Operation Mode
SY8368L: Latch Off Mode Output Under Voltage and Over Voltage
Protection
Cycle-by-Cycle Current Limit
Thermal Shutdown with Auto Recovery
Power Good Indicator
Compact Package: QFN3x3-12
Applications
LCD-TV/Net-TV/3DTV
Set Top Box
Notebook
High Power AP
SY83086RHC - High Efficiency, Fast Response, 6A, 28V Input Synchronous Buck Converter
Features
Low \mathsf { R } _ { \mathsf { D S ( O N ) } } for Internal MOSFETs: 28mΩ Top, 16mΩ
Bottom
Wide Input Voltage Range: 4.5V \~ 24V
Adjustable Output Voltage: 0 . 6 \lor ~ 2 . 5 \lor
6A Continuous Output Current Capability
500kHz Pseudo-Constant Frequency
± 1 % Internal Reference Voltage
Internal 0.6ms Soft-Start Limits the Inrush Current
Constant On-Time and Ripple-Based Control
Excellent Dynamic Performance
Integrated 1.2Ω Bypass Switch
PFM/USM Selectable Light Load Operation Mode
Power Good Indicator
Output Auto-Discharge Function
Adjustable Valley Current Limit Threshold by ILMT Pin
Cycle-by-Cycle Peak and Valley Current Limit Protecti
Latch-Off Mode Output Under Voltage Protection
Latch-Off Mode Output Over Voltage Protection
Latch-Off Mode Over Temperature Protection
Input Under Voltage Lockout (UVLO)
RoHS Compliant and Halogen Free
Compact package: QFN2.5x2.5-16
Applications
LCD-TV/Net-TV/3D-TV
Set Top Box
Notebook
High Power AP
SY83086BRHC - High Efficiency, Fast Response, 6A, 28V Input, Fixed 3.338V Output Synchronous Buck Converter with 100mA 3.3V LDO
Features
Applications
Low RDS(ON) for Internal MOSFETs: 28mΩ Top, 16mΩ Bottom LCD-TV/Net-TV/3D-TV Wide Input Voltage Range: 4.5V \~ 24V Set Top Box Fixed 3.338V Output Voltage Notebook 6A Continuous Output Current Capability High Power AP 100mA LDO Current Capability 600kHz Pseudo-Constant Frequency ± 1 % Internal Reference Voltage Accuracy Internal 1.2ms Soft-Start Limits the Inrush Current Support Smooth Startup with Pre-Biased Output Constant On-Time and Ripple-Based Control to Achieve Fast Transient Responses Integrated 1.2Ω Bypass Switch PFM/USM Selectable Light Load Operation Mode Power Good Indicator Output Auto-Discharge Function VIN: 4.5V\~ Cycle-by-Cycle Valley and Peak Current Limit Protection Latch-Off Mode Output Under Voltage Protection for buck Latch-Off Mode Output Over Voltage Protection for buck Latch-Off Mode Over Temperature Protection for buck Auto-Recovery Mode Output Under Voltage Protection for LDO Auto-Recovery Mode Over Temperature Protection for LDO Input Under Voltage Lockout(UVLO) RoHS Compliant and Halogen Free Compact Package: QFN2.5×2.5-16
Features
Low \mathsf { R } _ { \mathsf { D S ( O N ) } } for Internal N-Channel Power FET: 2Ω
5 \vee to 40V Input Voltage Range
Up to 3 0 0 \mathsf { m A } Output Current
2MHz Switching Frequency
Constant Off-Time and Peak-Current Mode Control
Internal Soft-Start Limits Inrush Current
12 % 0.6V Reference
Output Short-Circuit Protection
Cycle-by-Cycle Peak Current Limit
Over Temperature Protection
RoHS-Compliant and Halogen-Free
Compact SOT23-6 Package
Applications
Smart Meter
Set-Top Box
Portable TV
Access Point Router
DSL Modem
LCD TV
SY8301ABC - High Efficiency, 2 2 \mu \ A IQ, 2MHz, 1A, 40V Input Synchronous Buck
Converter Features
Low \mathsf { R } _ { \mathsf { D S ( O N ) } } for Internal MOSFETs: 380mΩ Top,
1 8 0 \mathsf { m } \Omega Bottom
Wide Input Voltage Range: 4.5V \~ 40V
1A Output Current Capability
± 1 % 0.8V Reference Voltage
2 2 \mu \ A Low Quiescent Current
2MHz Fixed Switching Frequency
Constant Frequency and Peak Current Mode
Control
Internal Soft-Start Limits Inrush Current
Hiccup Mode Output Under Voltage Protection
Auto-Recovery Mode Over Temperature Protection
Input Under Voltage Lockout (UVLO)
RoHS-Compliant and Halogen-Free
Compact Package: SOT23-6
Applications
LCD-TV
Set-Top Box
Notebook
Storage
High-Power AP Router
Networking
Features
Low \mathsf { R } _ { \mathsf { D S ( O N ) } } for Internal N-channel Power FET: 180mΩ
Input Voltage Range:
SY8291 : 5V to 40V
SY8291F: 9V to 36V
Up to 1.2A Output Current
800kHz (SY8291)/ 300kHz (SY8291F)
Switching Frequency
Constant Off-Time and Peak Current Mode Control
Internal Soft-Start Limits Inrush Current
SY8291 : 12 % 0.6V Reference
SY8291F: ± 2 % 0.81V Reference
Output Short Circuit Protection
Cycle-by-Cycle Peak Current Limit
Over Temperature Protection
RoHS-Compliant and Halogen-Free
Compact SOT23-6 Package
Applications
Smart Meter
Set-Top Box
Portable TV
Access Point Router
DSL Modem
LCD TV
SY8292ABC - High Efficiency, 800kHz, 2A, 40V Input Asynchronous Buck Converter
Features
Low { \sf R } _ { \sf D S ( O N ) } for Internal N-Channel Power FET: 180mΩ
5V to 40V Input Voltage Range
Up to 2A Output Current
800kHz Switching Frequency
Constant Off-Time and Peak Current Mode Control
Internal Soft-Start Limits Inrush Current
± 2 % 0.6V Reference
Auto-Recovery Mode Output Short Circuit Protection
Cycle-by-Cycle Power FET Current Limit Protection
Over Temperature Protection
RoHS-Compliant and Halogen-Free
Compact SOT23-6 Package
Applications
Set-Top Box
Access Point Router
DSL Modem
LCD TV
SY8293FCC - High Efficiency, 800kHz, 40V Input, 3A Non-synchronous Step Down Regulator
Features
5-40V Input Voltage Range
Low \mathsf { R } _ { \mathsf { D S ( O N ) } } for Internal N-Channel Power FET: 180 mΩ
800kHz Switching Frequency
Adaptive Constant OFF Time Control
Internal Soft-start Limits the Inrush Current
2 % 0.6V Reference
RoHS Compliant and Halogen Free
Compact Package: SO8E
Applications
Set-Top Box
Portable TV
Access Point Router
DSL Modem
LCD TV
SY8303AAIC - High-Efficiency, Fast-Response, 40V Input, 3A Synchronous Step-Down Regulator
Features
4.5 to 40V Input Voltage Range
3A Output Current Capability
Low RDS(ON) for Internal Switches: 110mΩ Top, 70mΩ Bottom
Adjustable Switching Frequency Range: 500kHz to 2.5MHz
1 . 5 % 0.6V Reference Voltage
Low 1 9 \mu \ A Quiescent Current
Internal Compensation
Internal 1ms Soft-Start Limits Inrush Current
Cycle-by-Cycle Peak-Current Limit
Hiccup Mode Short-Circuit Protection
Thermal Shutdown and Auto-Recovery
RoHS-Compliant and Halogen-Free
Compact Package: TSOT23-8
Applications
LCD-TV
Set-Top Box
Notebook
Storage
High-Power AP Router
Networking
Features
Low \mathsf { R } _ { \mathsf { D S ( O N ) } } for Internal MOSFETs: 25mΩ Top,
1 2 \mathsf { m } \Omega Bottom
Wide Input Voltage Range: 4V \~ 40V
Up to 8A Output Current Capability
Precise ± 1 % 0.6V Reference
COT Ripple-Based Control to Achieve Fast
Transient Response
Internal Soft-Start Limits the Inrush Current
Power Good Indicator
Output Auto-Discharge Function
350kHz/500kHz Selectable Switching Frequency
PFM/FCCM Selectable Light Load Operation Mode
Programmable Valley Current Limit Threshold
Cycle-by-Cycle Peak and Valley Current Limit
Protection
Hiccup Mode Output Short Circuit Protection
Auto-Recovery Mode Output Over Voltage
Protection
Auto-Recovery Mode Over Temperature Protection
Input Under Voltage Lockout (UVLO)
RoHS-Compliant and Halogen-Free
Compact Package: { \sf Q F N 3 . 5 x 3 . 5 - 2 0 }
Applications
LCD TV
Set-Top Box
Notebook
High-Power AP Router
SY89456WYQ - High Efficiency Fast Response, 9 9 % Duty, 6A, 40V Input Synchronous Buck Converter
Features
Applications
Low RDS(ON) for Internal MOSFET: 38mΩ Top, 19mΩ Bottom LCD-TV/Net-TV/3DTV Wide Input Voltage Range: 4 \lor ~ 4 0 \lor Set Top Box Wide Output Voltage Range: 0 . 6 \mathsf { V } ~ 2 4 \mathsf { V } Monitor Support 9 9 % Duty Cycle Operation High Power AP ± 1 . 5 % 0.6V Reference under - 4 0 ^ { \circ } \mathsf { C } ~ 1 2 5 ^ { \circ } \mathsf { C } 6A Continuous Output Current Capability Pseudo-Constant Frequency: 500kHz C Constant On-time and Ripple-Based Control to Achieve Fast Transient Responses /IN:4V\~40V BS IN Internal Soft-start Limits the Inrush Current G PFM/FCCM Selectable Light Load Operation RPG FB Selectable Peak and Valley Current Limit Threshold EN MODE W Optional BYP Input for Reducing Power Consumption VBY p(Op 4 Power Good Indicator BYP VC Output Auto-Discharge Function Cycle-by-Cycle Valley, Peak and Reverse Current Limit Protection H Hic-cup Mode Output Under Voltage Protection Auto-Recovery Mode Output Over Voltage Protection Auto-Recovery Mode Over Temperature Protection Input Under Voltage Lockout (UVLO) RoHS Compliant and Halogen Free Compact Package: QFN2×3-14
SY8401ABC - High Efficiency, 1.2MHz, 55V Input, 0.8A Asynchronous Step-Down Regulator
Features
Low \mathsf { R } _ { \mathsf { D S ( O N ) } } for Internal N-channel Power FET: 700mΩ
4.5-55V Input Voltage Range
0.8A Output Current Capability
1.2MHz Pseudo Constant Switching Frequency
Internal Soft-start Limits the Inrush Current
Hic-cup Mode Output Short Circuit Protection
EN ON/OFF Control with Accurate Threshold
Cycle by Cycle Peak Current Limit
0 . 6 \mathsf { V } ± 1 % Reference Voltage
SOT23-6 Package
Applications
Non-Isolated Telecommunication Buck Regulator Secondary High Voltage Post Regulator Automotive Systems
SY8492FCC - High-Efficiency, 2A, 60V Input Asynchronous Buck Converter
Features
Low \mathsf { R } _ { \mathsf { D S ( O N ) } } for Internal N-channel Power FET: 175mΩ
4 . 5 \mathsf { V } to 60V Input Voltage Range
Up to 2A Output Current
Adjustable Switching Frequency Range: 100kHz to 1MHz
Constant Off-Time and Peak Current Mode Control
Internal Soft-Start Limits Inrush Current
± 1 % 0.8V Reference
EN ON/OFF Control with Accurate Threshold
Hiccup Mode Output Short Circuit Protection
Cycle-by-Cycle Peak Current Limit
Over Temperature Protection
RoHS-Compliant and Halogen-Free
Compact SO8E Package
Applications
Non-Isolated Telecommunication Buck Regulator
Secondary High-Voltage Post Regulator
Automotive Systems
Electric Bicycle
Features
Low \mathsf { R } _ { \mathsf { D S ( O N ) } } for Internal N-Channel Power FET: 150mΩ
4 . 5 \mathsf { V } to 60V Input Voltage Range
Up to 3A Output Current Capability
Constant Off-Time and Peak-Current Mode Control
Internal Soft-Start Limits the Inrush Current
± 1 % 0.8V Reference
Adjustable Switching Frequency Range: 100kHz to 1MHz
EN ON/OFF Control with Accurate Threshold
Hiccup Mode Output Short Circuit Protection
Cycle-by-Cycle Peak Current Limit RoHS-Compliant and Halogen-Free Compact Package: SO8E
Applications
Non-Isolated Telecommunication Buck Regulator
Secondary High-Voltage Post Regulator
Automotive Systems
Electric Bicycle
SY8502FCC/SY8502AFCC
- High Efficiency, 1.2A Continuous, 1.8A Peak, 85V Input Synchronous Step Down Regulator
Features
Low \mathsf { R } _ { \mathsf { D S ( O N ) } } for Internal Switches (Top/Bottom): 500mΩ/240mΩ 7-85V Input Voltage Range
1.2A Continuous, 1.8A Peak Output Current Capability
Adjustable Switching Frequency
Instant PWM Architecture to Achieve Fast Transient Responses. Programmable Switching Frequency Range: 200\~500 kHz. 2ms Internal Soft-start Limits the Inrush Current
Precise 12 % 1.2V Reference
RoHS Compliant and Halogen Free Compact Package SO8E
Applications
Non-isolated Telecommunication Buck Regulator Secondary High Voltage Post Regulator Automotive Systems
SY8510ADC
- High Efficiency, 200kHz, 100V Input, 0.3A Asynchronous Step Down Regulator
Features
Low \mathsf { R } _ { \mathsf { D S ( O N ) } } for Internal N-channel Power FET:1Ω
4.5-100V Input Voltage Range
0.3A Output Current Capability
200kHz Pseudo Constant Switching Frequency
Internal Soft-start Limits the Inrush Current
Hic-cup Mode Output Short Circuit Protection
EN ON/OFF Control with Accurate Threshold
Cycle by Cycle Peak Current Limit
0 . 6 \mathsf { V } ± 1 \ % Reference Voltage
TSOT23-6 Package
Applications
Non-isolated Telecommunication Buck Regulator
Secondary High Voltage Post Regulator
Automotive Systems
Electric Bicycle
SY89695FCP
- High Efficiency, 60V Input, 5A Asynchronous Step Down Regulator
Features
Wide Input Voltage Range: 4 . 5 \mathsf { V } ~ 6 0 \mathsf { V }
Output Current Capability: 5A
Low RDS(ON) for Internal N-Channel Power MOSFET (TOP):
95mΩ
Accurate Feedback Set Point: 0 . 8 { V } ± 1 % from \scriptscriptstyle - 4 0 ^ { \circ } \mathsf C to 1 2 5 ^ { \circ } \mathsf { C }
Adjustable Switching Frequency: 100kHz to 2 5 0 0 k H z
High Efficiency at Light Loads with Pulse Skipping Mode
Cycle by Cycle Peak Current Limit Protection
Automatic Recovery for UVLO, OVP and OTP Conditions
Hiccup Mode for UVP Condition
Compact Package: SO8E
Applications
5G AAU/RRU
Industrial
High-Voltage DC-DC Converters
SY8511ADC/SY8511BADC
- High-Efficiency, 200kHz, 100V Input, 0.6A/1.2A Asynchronous Step-Down Regulator
Features
4.5V to 100V Input Voltage Range
Up to 0.6A(SY8511)/ 1.2A (SY8511B) Output Current
Low RDS(ON) for Internal N-Channel power FET: 1Ω
200kHz Pseudo-constant Switching Frequency
Constant Off-Time and Peak-Current-Mode Control
Internal Soft-Start
0 . 6 { V } ± 1 % Reference
Hiccup Mode Short-Circuit Protection
EN On/Off Control with Accurate Threshold
Cycle-by-Cycle Peak Current limit
Compact TSOT23-6 Package
Applications
Non-Isolated Telecommunication Buck Regulator
Secondary High-Voltage Post Regulator
Automotive Systems
Electric Bicycle
SY8521SXC/SY89000FCC
- High Efficiency, 0.6A, 100V Input Synchronous Step Down Regulator
Features
Low \mathsf { R } _ { \mathsf { D S ( O N ) } } for Internal Switches (Top/Bottom): 500mΩ/285mΩ
{ \mathsf { 7 } } { ~ } 1 0 0 { \mathsf { V } } Input Voltage Range
0.6A Output Current Capability
Constant On-time Control
Instant PWM Architecture to Achieve Fast Transient Responses
Programmable Switching Frequency Range:
200kHz\~600kHz(SY89000) 200kHz\~1MkHz(SY8521)
2ms Internal Soft-start Limits the Inrush Current
Precise 12 % 1.225V Reference over
- 4 0 ^ { \circ } \mathsf { C } to + 1 2 5 ^ { \circ } \mathsf C Temperature Range
Cycle-by-cycle Peak Current Limit
Over Temperature Protection with Auto Recovery
RoHS Compliant and Halogen Free
Compact Package:
200kHz\~600kHz(SY89000) 200kHz\~1MkHz(SY8521)
Applications
Isolated Telecom Bias Supply Secondary High Voltage Post Regulator Automotive Systems
VIN
CIN 宁 R RoNW IN RON BS LX CBs T 3 VoUT主 COUTR4 1 EN GND VCC FB 本 D1 文 Cvcc4
Features
Low { \sf R } _ { \sf D S ( O N ) } for Internal MOSFETs: 500mΩ Top, 240mΩ Bottom
7V to 100V Input Voltage Range
Up to 1A Output Current Capability
Adjustable Switching Frequency
COT Ripple-Based Control to Achieve Fast Transient Responses
2ms Internal Soft-start Limits the Inrush Current
Precise ± 2 % 1.2V Reference
Output Short Circuit Protection
Cycle-by-Cycle Peak and Valley Current Limit
Over Temperature Protection Output Auto-Discharge Function RoHS Compliant and Halogen Free Compact Package: SO8E
Applications
Non-Isolated Telecommunication Buck Regulator Secondary High-Voltage Post Regulator Automotive Systems
SY89001FCC - High Efficiency, 1A, 100V Input Synchronous Step Down Regulator
Features
Low \mathsf { R } _ { \mathsf { D S ( O N ) } } for Internal Switches (Top/Bottom): 500mΩ/240mΩ
7-100V Input Voltage Range
1A Output Current Capability
Constant On-time Control
Instant PWM Architecture to Achieve Fast Transient Responses
Programmable Switching Frequency Range: 200kHz \~600kHz
2ms Internal Soft-start Limits the Inrush Current
Precise ± 2 % 1.225V Reference over
- 4 0 ^ { \circ } \mathsf { C } to + 1 2 5 ^ { \circ } \mathsf C Temperature Range
Cycle-by-cycle Peak Current Limit
Over Temperature Protection with Auto Recovery
RoHS Compliant and Halogen Free
Compact Package SO8E
Applications
Isolated Telecom Bias Supply Secondary High Voltage Post Regulator Automotive Systems
Features
Low \mathsf { R } _ { \mathsf { D S ( O N ) } } for Internal N-channel Power FET(TOP):175mΩ
4.5-100V Input Voltage Range
2A Output Current Capability
Adjustable Switching Frequency Range: 100kHz to1MHz
Internal Soft-start Limits the Inrush Current
Hic-cup Mode Output Short Circuit Protection
EN ON/OFF Control with Accurate Threshold
Cycle-by-cycle Peak Current Limit
0 . 8 \mathsf { V } ± 1 % Reference Voltage Accuracy
Compact Package: SO8E
Applications
Non-isolated Telecommunication Buck Regulator
Secondary High Voltage Post Regulator
Automotive Systems
Electric Bicycle
SY8513FCC - High Efficiency, 100V Input, 3A Asynchronous Step Down Regulator
Features
Low \mathsf { R } _ { \mathsf { D S ( O N ) } } for Internal N-channel Power FET(TOP):150mΩ
4.5-100V Input Voltage Range
3A Output Current Capability
Adjustable Switching Frequency Range: 100kHz to 500kHz
Internal Soft-start Limits the Inrush Current
Hic-cup Mode Output Short Circuit Protection
EN ON/OFF Control with Accurate Threshold
Cycle-by-cycle Peak Current Limit
0 . 8 \mathsf { V } ± 1 % Reference Voltage Accuracy
Compact Package: SO8E
Applications
Non-isolated Telecommunication Buck Regulator
Secondary High Voltage Post Regulator
Automotive Systems
Electric Bicycle
Single Output Step Up (Boost) Converter (Low Voltage)
| Part Number | (MWz) | Synst | A Varay | InoutQut (Aant | Feature/ Special Function | Package | ||||||
| MMX | ||||||||||||
| SQ25052ABC | 0.98 | 5.5 | 2 | 1 5.5 | Y | 1.2V±1.5% | 0.7 | 100/170 | Auto Bypass Mode When VVvouT. | SOT23-6 | ||
| SQ25201QDQ | 2.8 | 5.5 | 0.68 | 0.85 70 | N | external | 500 | 600 | Dual-Gain Track/Hold Current Miror 2.5mA PrecisionPotectioQFN3x16 | |||
| Part Number | Synst | AcVuraAcy | (HR | Feature/ Special Function | Package | |||||||
| SY7070AAC | 0.7 | 5 0.35 | 3.3 (Fixed) | √ | 3.3 | / | 0.5 | 5.5 | 700/500 | Bypass function during shutdown | SOT23-5 | |
| SY7070AAAC | 0.7 | 5 0.35 | (fxed) | √ | 3 | / | 0.5 | 5.5 | 700/500 | SOT23-5 | ||
| SY7070BAAT | 0.7 5 | 0.35 | (Fx8d) | √ | 2.8 | / | 0.5 | 5.5 | 700/500 | Bypass function during shutdown | SOT23-5 | |
| SY7071AHC | 0.7 5 | 0.35 | / | 5.25 | √ | / | 1.0V±3% | 0.5 | 5 | 700/500 | Pass-through Function@ Shutdown | SOT-363 |
| SY7071AAHC | 0.7 5 | 0.35 | / | / | √ | 5 | / | 0.5 | 7 | 500/400 | Pass-through Fnction@Shutdown; | SOT-363 |
| SY7072DABC | 0.855.5 | 0.6 | 1 | 5.5 | √ | / | 0.5V±1.5% | 0.7 | 5 | 170/100 | Autp Bypass Mode When ViNVou | SOT23-6 |
| SY87092SUD | 1.8 5.5 | 1 | 1 | 5.5 | √ | / | 1.2V±1.5% | / | / | 125/70 | P | |
| SY7072AABC | 0.855.5 | 2 | 1 | 5.5 | √ | 1.2V±1.5% | 0.7 | 5 | 170/100 | Auto Bypass Mode When Vin ≥Vout; OVP | SOT23-6 | |
| SY7072ABC | 1.8 5.5 | 2 | 1 | 5.5 | √ | 1.2V±1.5% | 0.7 | 5 | 170/100 | Auto BypassModeWhen V≥Vur | SOT23-6 | |
| SY7092SUC | 0.855.5 | 2 | 1 | 5.5 | √ | / | 1.2V±1.5% | 0.7 | 5 | 125/70 | Aut Bpass Mode When V≥Vou | DFN2x1.5-6 |
| SY7063QMC | 1.8 5.25 | 3 | 0.5 | 5.5 | √ | / | 1.2V±1.5% | 10 | 27 | 40/36 | Output Disconnect @Shutdown | QFN2x2-10 |
| SY7069ADC | 2.55.5 | 3 | 1 | 5.5 | √ | / | 1.2V±1.5% | 8 | 32 | 90/50 | Auto BypassMode When V≥Vur | TSOT23-6 |
| SY7069BADC | 2.5 5.5 | 3 | 1 | 5.5 | √ | / | 1.2V±1.5% | 8 | 32 | 90/50 | Auto BypassMode When VVour | TSOT23-6 |
| SY7069CUMC | 2.5 5.5 | 3 | 1 | 5.6 | √ | / | 1.2V±1.5% | 8 | 32 | 100/70 | Auto Bypass Mode When ViN ≥Vout; CSP1.54×0.9- OVP | 6 |
| SY7065QMC | 1.8 5.25 | 5 | 0.5 | 5.5 | √ | / | 1.2V±1.5% | 10 | 27 | 40/20 | Autten | QFN2x2-10 |
| SY7065AQMC | 1.8 5.25 | 5 | 0.5 | 5.5 | √ | / | 1.2V±1.5% | 10 | 27 | 40/20 | No Output Discharge Function, Input Battery Voltage Monitor,OVP | QFN2×2-10 |
| SY7076QMC | 2 5.5 | 6 | 0.5 | 5.5 | √ | / | 1.2V±1.5% | 10 | 27 | 40/20 | Selectable Forced PWM Mode, Programmable Output Current Limit, OVP | QFN2×2-10 |
| SY7066QMC | 1.8 5.25 | 6 | 0.5 | 5.5 | √ | / | 1.2V±1.5% | 10 | 27 | 40/20 | AutOteten | QFN2×2-10 |
| SY7066AQMC | 1.8 5.25 | 6 | 0.5 | 5.5 | √ | / | 1.2V±1.5% | 10 | 27 | 40/20 | QFN2x2-10 | |
| SY7066BQMC | 1.8 5.25 | 6 | 0.5 | 5.5 | √ | / | 1.2V±1.5% | 10 | 27 | 40/20 | Selectable Forced PWM Mode,OVP QFN2×2-10 | |
| SY87004WUS | 5.5 1.9 | 2.1 | 5.5 | √ | / | / | 3 | 24 | 17/17 | CSP1.65×1.65 | ||
| NEW | PC Configurable ; | |||||||||||
| SY87004AWUS | 1.9 5.5 | / | 2.2 | 5.5 | √ | / | / | 3 | 28 | 17/17 | Mutdes; FCMndFoPrcModes | CSP1.65×1.65 -16 |
Single Output Step Up (Boost) Converter (Low Voltage)
| VIN | VouT | Fixed | Quiescent | MOSFET (H/B(m) | Feature/ Special Function | Package | |||||||
| Part Number | M Mx | (A)(H2) | (Max) Synst | Vo | AcCuracy | ||||||||
| SY7060LAHC* | 0.7 | 5 | 0.2 | / | 5.25 | √ | / | 0.5V±3% | 0.5 | 18 | 800/450 | Pass-troghFunction@ Sutdown; | SOT-363 |
| SY7060AHC* | 0.7 | 5 | 0.4 | / | 5.25 | √ | / | 0.5V±3% | 0.5 | 18 | 800/450 | Pass-throughFunction@ Sutdown; | SOT-363 |
| SY7080ABC* | 0.9 | 4 | 1.8 | 1.2 | 4 | √ | / | 1.2V±3% | 65 | / | 200/90 | Output Disconnect @Shutdown | SOT23-6 |
| SY7088DGC* | 2.3 5.25 | 3 | 1 | 5.5 | √ | 1.2V±1.5% | 2 | 30 | 85/70 | OVP | DFN2×3-8 | ||
| SY7088EDGC* | 2.35.25 | 3 | 1 | 5.5 | √ | / | 1.2V±1.5% | 一 | / | 85/70 | FCCM,OVP | DFN2x3-8 | |
\* Not recommended for new design
SQ25052ABC - 0.98V Minimum Input, 5.5V Maximum Output, High Efficiency 2A Valley Current Synchronous Boost Converter
Features
0.98V Minimum Input Voltage
Adjustable Output Voltage from 1.8V to 5.5V
Minimum 2A Valley Current Limit
5 { \mu } \mathsf { A } Typical Quiescent Current
Load Disconnect During Shutdown
Low R _ { \mathsf { D S ( O N ) } } at 3.3V Output: 100mΩ Main,
1 7 0 { m } \Omega Synchronous
Output OVP
Auto-Bypass Mode when VIN ≥ VOUT
RoHS-Compliant and Halogen-Free
Compact Package: SOT23-6
Applications
Single-cell Lithium or Dual-Cell Nickel BatteryPowered Devices (MP3 Players, PDAs, etc.)
SQ25201QDQ 70V, 2.5mA Precision Protection APD Bias Dual-Gain Track/Hold Current Mirror
Features
Wide Input Range: 2.8V to 5.5V
Wide Output Voltage Range from ( \mathsf { V } _ { \mathsf { I N } } + 5 \mathsf { V } ) to 70V
850kHz Switching Frequency
Less Than \mathsf { 1 } \mu \mathsf { A } Shutdown Current
1:30 Output Voltage Programming
Adjustable Precision, Over-Current Protection
Internal 1 x / 1 . 8 x Dual-Gain Current Mirror
Up to 2.5V Voltage Buffer for Full-Scale Output Current
Input Voltage UVLO
Over Temperature Protection
Full Chain Circuit: Bias-Mirror-Track/Hold
Compact Package: 2 5 N 3 x 3 - 1 6
\angle 4 0 ^ { \circ } \mathsf C to + 8 5 ^ { \circ } \mathsf { C } Operating Temperature Range
Applications
GPS Navigation Systems Handheld Devices Portable Media Player
SY7070AAC/SY7070AAAC/ SY7070BAAT 0.7V Minimum Input, Fixed Output 100mA Maximum Output Current Synchronous Boost
Features
0.7V Minimum Input Voltage
5 . 5 \mu \ A Typical Quiescent Current
Input Under Voltage Lockout
Bypass Function During Shutdown
Low RDS(ON) (Main Switch/Synchronous Switch) at Output: 0 . 5 / 0 . 7 \Omega
Fixed Output Voltage SY7070: Fixed 3.3V SY7070A: Fixed 3.0V SY7070B: Fixed 2.8V
Typical 350mA Peak Current Limit
Compact SOT23-5 Package.
Applications
Battery Powered Applications
Consumer And Portable Medical Products
Personal Care Products
Smartphones
White or Status LEDs
SY7071AHC/SY7071AAHC- 0.7V Minimum Input Voltage Synchronous Boost
Features
0 . 7 \mathsf { V } to 5V Input Voltage Range
Fixed 5V Output Voltage (SY7071A)
Low Quiescent Current
1 \mu \mathsf { A } Shutdown Current (Max.)
9 5 % Peak Efficiency
Input Under Voltage Lockout
Pass-through Function During Shutdown
Low RDS(ON) (Main Switch/Synchronous Switches):
SY7071: 0.5/0.7Ω
SY7071A: 0.4/0.5Ω
Typical 350mA Peak Current Limit
RoHS Compliant and Halogen Free
Compact Package: SOT-363
Applications
Battery Powered Applications
Consumer and Portable Medical Products
Personal Care Products
Smartphones
White or Status LEDs
SY87092SUD- 1.8V Minimum Input and 5. 5V Maximum Output High Efficiency 1A Valley Current Synchronous Boost
Features
1.8V Minimum Input Voltage
Adjustable Output Voltage from 1.8V to 5.5V
Min 1A Valley Current Limit
CCM Only Operation
Load Disconnect During Shutdown
Low RDS(ON) (Main Switch/Synchronous Switch) at 3.3V Output:
70/125mΩ
Output OVP
RoHS Compliant and Halogen Free
Auto Bypass Mode When VIN ≥VOUT
Compact Package DFN2×1.5-6
Applications
All Single Cell Li or Dual Cell Battery Operated Products as MP-3 Player, PDAs, and Other Portable Equipment
SY7072ABC/SY7072AABC/SY7072DABC
5. 5V Maximum Output High Efficiency Synchronous Boost Converter
Features
VIN L1 Minimum Input Voltage: 37 LX OUT SY7072D: 0.85V CIN IN SY7072A: 0.85V RFB1 SY7072:1.8V FB Adjustable Output Voltage from 1.8V to 5.5V EN Min Valley Current Limit GND R SY7072D: 0.6A SY7072A: 2A SY7072: 2A 5µA Typical Quiescent Current Load Disconnect During Shutdown Low RDS(ON) (Main Switch/Synchronous Switch) at 3.3V Output: 100/170mΩ Output OVP RoHS Compliant and Halogen Free Auto Bypass Mode When VIN ≥VOUT Compact Package SOT23-6
Applications
All Single Cell Li or Dual Cell Battery Operated Products as MP-3 Player, PDAs, and Other Portable Equipment
SY7092SUC- 0.85V Minimum Input and 5. 5V Maximum Output High Efficiency 2A Valley Current Synchronous Boost
Features
0.85V Minimum Input Voltage
Adjustable Output Voltage From 1.8V to 5.5V
Min 2A Valley Current Limit
5 \mu \mathsf { A } Typical Quiescent Current
Load Disconnect During Shutdown
Low RDS(ON) (Main Switch/Synchronous Switch) at 3.3V Output: 70/125mΩ
Output OVP
RoHS Compliant and Halogen Free
Auto Bypass Mode When VIN ≥VOUT
Compact Package DFN2x1.5-6
Applications
All Single Cell Li or Dual Cell Battery Operated Products as MP-3 Player, PDAs, and Other Portable Equipment
SY7063QMC- 1.8V Minimum Input and 5. 5V Maximum Output 3A Peak Current Synchronous Boost with Output Disconnect
Features
1.8V Minimum Input Voltage
Adjustable Output Voltage from 2.5V to 5. 5V
3A Peak Current Limit
Input Under Voltage Lockout
Load Disconnect during Shutdown
Output Over Voltage Protection
Input Battery Voltage Monitor
Low RDS(ON) (Main Switch/Synchronous Switch) at
5.0V Output: 36/40mΩ
Output Auto-discharge Function
RoHS Compliant and Halogen Free
Compact Package: QFN2 \because 2 - 1 0
Applications
All Single-cell Li or Dual-cell Battery Operated Products as MP-3 Player, PDAs, and Other Portable Equipment
SY7069ADC/SY7069BADC/SY7069CUMC
5.5V/5.6V Maximum Output, 3A Valley Current, 1MHz Synchronous Boost Converter
Features
Applications
2.5V Minimum Input Voltage Adjustable Output Voltage : SY7069/B: from 2 . 5 \mathsf { V } to 5.5V SY7069C: from 2.5V to 5.6V Minimum 3A Valley Current Limit Capable of Seamless Transition between Boost and Bypass Mode Load Disconnect During Shutdown Low RDS(ON) at 5.0V Output: SY7069/B: 50mΩ Main, 90mΩ Synchronous SY7069C: 70mΩ Main, 100mΩ Synchronous Output Overvoltage Protection (OVP) RoHS-Compliant and Halogen-Free . Compact Package: SY7069/B: TSOT23-6 SY7069C: CSP1.54×0.9-6
Single-cell lithium or dual-cell nickel batterypowered devices (MP3 players, PDAs, etc.)
SY7065QMC/SY7065AQMC - 1.8V Minimum Input and 5. 5V Maximum Output 5A Peak Current Synchronous Boost with Output Disconnect
Features
1.8V Minimum Input Voltage
Adjustable Output Voltage from 2.5V to 5.5V
5A Peak Current Limit
Input Under Voltage Lockout
Load Disconnect during Shutdown
Output Over Voltage Protection
Input Battery Voltage Monitor
Automatic Output Discharge at Shutdown:
SY7065: Auto Output Discharge Function
SY7065A: No Output Discharge Function
Low RDS(ON) (Main Switch/Synchronous Switch) at
5.0V Output: 20/40mΩ
Compact Package: QFN2×2-10
Applications
All Single-cell Li or Dual-cell Battery Operated Products as MP-3 Player, PDAs, and Other Portable Equipment
SY7076QMC- 2V Minimum Input, 5.5V Maximum Output, 6A Peak Current Synchronous Boost Converter with Output Current Limit
Features
Applications
2V Minimum Input Voltage Adjustable Output Voltage from 2.5V to 5.5V 6A Peak Current Limit Input Undervoltage Lockout Load Disconnect During Shutdown Programmable Output Current Limit Protection ± 1 0 % Output Current Limit Accuracy Selectable Forced-PWM Mode Hiccup Mode for Short-Circuit Protection Low RDS(ON) for Internal Switches at 5.0V Output: 2 0 \mathsf { m } \Omega Main, 40mΩ Synchronous Output Overvoltage Protection (OVP) Compact Package: QFN2mmx2mm-10
Single-cell Lithium or Dual-Cell Nickel Battery-Powered Devices (MP3 players, PDAs, etc.)
SY7066QMC/SY7066AQMC/SY7066BQMC
1.8V Minimum Input, 5.5V Maximum Output, 6A Peak-Current Synchronous Boost Converter with Output Disconnect
Features
1.8V Minimum Input Voltage Adjustable Output Voltage from 2.5V to 5.5V 6A Peak Current Limit Input Undervoltage Lockout Quiescent Current: 2 7 \mu \mathsf { A } (typ.) Shutdown Current: 0 . 1 \ \mu \mathsf { A } (typ.) Load Disconnect During Shutdown Selectable Forced PWM Mode Operation (SY7066B) Input Battery Voltage Monitor (SY7066/A) Output Overvoltage Protection Low \mathsf { R } _ { \mathsf { D S ( O N ) } } for Internal Switches at 5.0V Output: 2 0 \mathsf { m } \Omega Main, 4 0 m \Omega Synchronous Automatic Output Discharge at Shutdown: SY7066: Automatic Output Discharge Functio \blacktriangleright SY7066A/B: No Output Discharge Function Compact Package: QFN2mmx2mm-10
Applications
Single-cell Lithium or Dual-Cell Nickel Battery-Powered Devices (MP3 players, PDAs, etc.)
SY87004WUS/SY87004AWUS
5.5V, High Efficiency, Synchronous Boost Regulator with Bypass Mode
Features
Applications
Input Voltage Range: 1.9V to 5.5V
Program Output Range: 2.85V to 5.5V
Maximum Bypass Continuous Load Current :6A
Up to 9 5 % Efficiency
Supports 0.9V signaling for SCL/SDA/EN Pins
Programmable Valley Inductor Current Limit
and Output Voltage
I2C Configurable Auto Bypass Operation And
Forced Bypass Mode
1 2 0 configurable FCCM and PFM Modes
Low Operating Quiescent Current
Shutdown Current 0 . 1 \mu \mathsf { A } (Typ.)
Load Disconnect During Shutdown
Compact Package CSP 1 . 6 5 x 1 . 6 5 { - 1 6 }
Single-Cell Li-Ion, LiFePO4 Smart-Phones
or Tablet PCs
2.5G/3G/4G Data Cards
Single Output Step Up (Boost) Converter (High Voltage)
| MinMax | Voux) M | Synst | A Vurlay | Quinsutent Current (μA) | MoOS HET) (mΩ) | Feature/ Special Function | Package | ||||
| Part Number | (V)(V) | (z) | |||||||||
| SQ25202ABC | 3 | 30 | 2 | 1 | 33 | 0.6V±3% | 100 | -/200 | Internal Ss/Comp PFM/PWM Light Load Operation | SOT23-6 | |
| SQ25110ARAC | 2.9 | 16 | 2~10 | 0.4~2 | 16 | √ | 1V±2% | 200 | 20/10 | Mode,OVP, Programmable Switching Frequency: 0.4~2MHz, Programmable ILim: 2~10A | QFN3x3-20 |
| SQ25250ABC | 3 | 30 | 0.75 | 1 | 33 | 1.24V±2% | 100 | -/400 | Internal Ss/Comp | SOT23-6 | |
| SY7208CABC | 3 | 25 | 0.6 | 1 | 25 | 0.6V±2% | 100 | -/150 | Internal Ss/Comp | SOT23-6 | |
| SY7152AABC | 3 | 8 | 2 | 1 | 16 | 0.6V±2% | 100 | -/130 | Internal SS/Comp | SOT23-6 | |
| SY7208LABC | 3 | 25 | 2 | 1 | 25 | 0.6V±2% | 100 | -/150 | Internal Ss/Comp | SOT23-6 | |
| SY7302ABC | 3 | 33 | 2 | 1 | 33 | 0.6V±2% | 100 | -/200 | Internal Ss/Comp | SOT23-6 | |
| SY7304DBC | 3 | 33 | 4 | 1 | 33 | 0.6V±2% | 100 | -/120 | DFN3×3-10 | ||
| SY7304BXES | 3 | 33 | 4 | 1 | 33 | 0.6V±2% | 100 | -/120 | Internal Soft-Start | CSP2.03×0.93-8 | |
| SY7205ADBC | 8.6 15.9 | 4.5 | 0.5 | 16 | 1.25V±1.5% | 120 | -/75 | Adjustable soft-start time, OVP | DFN3x3-10 | ||
| SY7219DBC | 3 | 5.5 | 9 | / | 36 | 1.25V±2% | 380 | -/65 | EXT Comp | DFN3×3-10 | |
| SY7215ARDC | 3 | 16 | 15 | 0.25~1 | 16 | V | 1V±1.5% | 230 | 12/9 | Power Good Indicator, Integrated 12mΩ Disconnection FET, Internal SS, OVP/SCP/True shutdown Programmable Switching Frequency: | QFN4x4-18 |
| SY7315RDC | 4.5 | 30 | 15 | 0.2~1 | 30 | √ | 1V±1.5% | 230 | 18/16 | 0.25~1MHz Integrated 18mΩ Disconnect ion FET, OVP/OTP/SCP, True Shutdown, Programmable Switching Frequency: 0.2~1MHz, Power Good Indicator | QFN4x4-18 |
| SY7120RAC | 2.8 | 16 | 2~10 | 0.3~2 | 16 | √ | 1V±1% | 200 | 20/10 | PFM/PWM light load operation mode, Programmable Switching Frequency: 0.3~2MHz, Programmable ILIm: 2~10A, OVP | QFN3x3-20 |
Features
3V to 30V Bias Input Voltage Range, 33VOUT,MAX
Up to 2A Output Current
Quiescent Current \mathsf { I } _ { \mathsf { Q } } 1 0 0 \mu \mathsf { A } (typ.)
Shutdown Current 1 _ { \mathsf { S H D N } } 5 \mu \mathsf { A } (typ.)
Low RDS(ON) for Internal N-Channel MOSFET:
2 0 0 \mathsf { m } \Omega
1MHz Switching Frequency
Minimum On-Time: 100ns Typical
Minimum Off-Time: 100ns Typical
Internal Soft-Start Limits Inrush Current
± 2 % 0 . 6 \mathsf { V } Reference
RoHS-Compliant and Halogen-Free
Compact SOT23-6 Package
Applications
Digital Camera Cell Phone PDA, PMP, MP3
SQ25110ARAC - High Efficiency, 16V, Synchronous Step-Up Regulator With 10A Programmable Current Limit
Features
2.9V to 16V Input Voltage Range
16V Maximum Output Voltage
1 . 5 \mu \mathsf { A } Shutdown Current (Typ.)
2 0 0 \mu \mathsf { A } Quiescent Current (Typ.)
Low R _ { \mathsf { D S } ( \mathsf { O N } ) } for Internal N-Channel MOSFET: 10mΩ Main,
2 0 m \Omega Rectifier
Programmable Peak Current Limit
Programmable Pseudoconstant 400kHz-2MHz Frequency
PFM/PWM Selectable Light Load Operation Mode
Internal Loop Compensation
Internal Soft-Start Limits Inrush Current
Input Voltage UVLO
Output Overvoltage Protection
Overtemperature Protection
RoHS-Compliant and Halogen-Free
Compact QFN3mm x 3mm-20 Package
Applications
Power Banks E-cigarettes Bluetooth Speakers
Features
Wide Input Range: 3-30V
Output Voltage Range: VIN to 33VOUT, MAX
1MHz Switching Frequency
Minimum ON Time: 100ns typical
Minimum OFF Time: 100ns typical
Low RDS(ON): 400mΩ
RoHS Compliant and Halogen Free
Accurate Reference: 1 . 2 4 \mathsf { V } _ { \mathsf { R E F } }
Compact Package: SOT23-6
Applications
Digital Cameras PDA, PMP, MP3 LED/ Backlight Drivers
SY7208CABC/SY7208LABC - High Efficiency 1MHz Step-Up Regulator
Features
3V to 25V Bias Input Range, 25VOUT,MAX
SY7208C: Up to 600mA Output Current
SY7208L: Up to 2A Output Current
Low \mathsf { R } _ { \mathsf { D S ( O N ) } } for Internal N-Channel MOSFET:
1 5 0 { m } \Omega
1MHz Switching Frequency
Minimum On-Time: 100ns Typical
Minimum Off-Time: 100ns Typical
Internal Soft-Start Limits Inrush Current
± 2 % 0 . 6 \mathsf { V } Reference
RoHS-Compliant and Halogen-Free
Compact SOT23-6 Package
Applications
WLED Drivers
Networking Cards Powered From PCI Or PCI
Express Slots
SY7152AABC - High Efficiency 1MHz, 2A Current Limit Step-Up Regulator
Features
3V to 8V Input Voltage Range
Up to 2A Output Current
1 5 \mu \mathsf { A } Shutdown Current (Max.)
1 0 0 \mu \mathsf { A } Iq (Typ.)
Low RDS(ON) for Internal N-Channel MOSFET:
1 3 0 { m } \Omega
1MHz Switching Frequency
Minimum On-Time: 100ns Typical
Minimum Off-Time: 100ns Typical
Internal Soft-Start Limits Inrush Current
± 2 % 0 . 6 \mathsf { V } Reference
RoHS-Compliant and Halogen-Free
Compact SOT23-6 Package
Applications
WLED Drivers
Networking Cards Powered From PCI Or PCI
Express Slots
Features
3V to 33V Input Voltage Range
33V Maximum VOUT
2A Internal MSOFET Current Limit
5 \mu \mathsf { A } Shutdown Current (Typ.)
1 0 0 \mu \ A Iq (Typ.)
Low RDS(ON) for Internal N-Channel MOSFET: 2 0 0 \mathsf { m } \Omega
1MHz Switching Frequency
Minimum On-Time: 100ns Typical
Minimum Off-Time: 100ns Typical
Internal Soft-Start
± 2 % 0 . 6 \mathsf { V } Reference
RoHS-Compliant and Halogen-Free
Compact SOT23-6 Package
Applications
Digital Camera Cell Phone PDA, PMP, MP3
SY7304DBC/SY7304BXES
High Efficiency 33V, 1MHz, 4A Current Limit Step-Up Regulator
Features
3V to 33V Input Voltage Range 33V Maximum Output Voltage 4A Main MOSFET Current Limit 1 5 \mu \mathsf { A } Shutdown Current (Max.) 1 0 0 \mu \mathsf { A } Quiescent Current (Typ.) Low \mathsf { R } _ { \mathsf { D S ( O N ) } } for Internal N-Channel MOSFET: 120mΩ 1MHz Switching Frequency Internal Soft-Start ± 2 % 0 . 6 \mathsf { V } Reference Cycle-by-Cycle Peak Current Limit Overtemperature Protection RoHS-Compliant and Halogen-Free Compact Package: \blacktriangleright D F N 3 x 3 - 1 0 (SY7304DBC) \mathsf { C S P 2 . 0 3 } x 0 . 9 3 { * } 8 (SY7304BXES)
Applications
Portable Devices
Battery Powered Systems
Networking Cards Powered from PCI or PCI-Express Slots
SY7205ADBC- High-Performance Boost Regulator for UHD TV Display
Features
Wide 8.6V–15.9V Input Voltage Range
Low RDS(ON) for N-channel MOSFET: 75mΩ
(typical)
9 5 % Typical Efficiency
Feedback Reference Voltage: 1 . 2 5 \mathsf { V } ± 1 . 5 %
500kHz Fixed Switching Frequency
Pulse Skipping Mode at Light Load
Adjustable Soft-Start Limits Inrush Current
EN ON/OFF Control
Overvoltage Protection
Cycle-by-Cycle Current-Limiting Protection
Input UVLO
Thermal Shutdown with Automatic Recovery
Compact DFN3 x 3 -10 Package
Applications
TFT LCD Panels AVDD
SY7219DBC- Current Limit Step-Up Regulator
Features
3V to 5.5V Input Range
30V Maximum Output Voltage
1 \mu \mathsf { A } Shutdown Current (Typ.)
3 8 0 ~ \mu \mathsf { A } Quiescent Current (Typ.)
Programmable Peak Current Limit
Programmable Constant Off-Time
Low RDS(ON) for Internal 9A N-Channel MOSFET: 65mΩ
Internal Soft-Start
RoHS-Compliant and Halogen-Free
Compact DFN3mm×3mm-10 Package
Applications
Industrial Control Systems Battery Powered Devices LED Drivers
Back
SY7215ARDC/SY7315RDC
- High Efficiency 15A Step-Up Regulator with Accurate Output Current Limit
Features
Input Voltage Range :
SY7215A: 3V to 16V SY7315: 4.5V to 30V
Up to 15A Output Current
Programmable Output Current Limit
Low RDS(ON) for Internal N-Channel MOSFET:
SY7215A: 9mΩ Main, 12mΩ Rectifier, 12mΩ Disconnection FET SY7315: 16mΩ Main, 18mΩ Rectifier, 18mΩ Disconnection FET
Programmable Pseudoconstant Frequency:
SY7215A: 250kHz to 1MHz
SY7315: 200kHz to 1MHz
Enable Control
Input Voltage UVLO
Output Overvoltage Protection
Overtemperature Protection
Output Short-Circuit Protection
True Shutdown Function
RoHS-Compliant and Halogen-Free
Compact \mathsf { Q F N 4mm } x 4 \mathsf {mm } - 1 8 Package
Applications
Power Bank High Power Application
SY7120RAC - High Efficiency, 16V, 10A Synchronous Step Up Regulator
Features
Applications
Input Voltage Range: 2.8-16V
Programmable Pseudo-constant Frequency:
300kHz-2MHz
Low RDS(ON) for Internal Switch
Main FET: 10mΩ
Rectifier FET: 20mΩ
PFM/PWM Selectable Light Load Operation Mode
Internal Loop Compensation
Programmable Peak Current Limit
Internal Soft-start Time Limit the Inrush Current
Input Voltage UVLO
Over Temperature Protection
Over Voltage Protection
RoHS Compliant and Halogen Free
Compact Package:QFN3 x 3 - 2 0
Power Bank High Power AP E-cigarette Bluetooth Speaker
DC-DC PWM Controller (External Switch)
| VIN Part Number | (Hz2) | VREF Accuracy | CQurent eat | Function | Package | |||
| Min Max M M | ||||||||
| SQ25902AFHC | 3 | 25 | 0.3 | 1V±8% (-40°C to 125°C) | 130 | Current mode DC/DC controller targeted for both Boost and SEPIC applications with DC Output Current Limit | SSOP10 | |
| SQ25001QEQ | 6 | 60 | 0.15-0.4 | 0.8V±1% | NA | Four-Switch Single Inductor/PFM or PWM Light Load/Power Good/Fault Indicator/Spread-Spectrum Function/CBC Current Limit Protection | QFN5x5-32 | |
| SY7901DBC | 3 | 25 | 0.5 | 1V±2% | 170 | Current mode DC/DC controller targeted for Boost, SEPIC, Flyback and Forward applicationswith DC Input Current Limit | DFN3×3-10 | |
| SY7902AFHC | 3 | 25 | 0.3 | 1V±1.5% | 130 | Current mode DC/DC controller targeted for both Boost and SEPIC applications with DC Output Current Limit | SSOP10 | |
SQ25902AFHC- High Efficiency 300kHz, 25V Boost/SEPIC Controller with Output Current Limit
Features
Input Voltage Range 3V to 25V
300kHz Fixed Switching Frequency
Output Current Limit
External Compensation
Programmable Soft-start Limits the Inrush Current
Integrated Low Side Driver: 1.5A Sourcing and 3A Sinking
RoHS Compliant and Halogen Free
Compact Package: SSOP10
Applications
GPS Navigation Systems Handheld Devices Portable Media Player
SQ25001QEQ - 60V Synchronous Four-Switch Buck-Boost Controller
Features
Four-Switch Single Inductor Architecture
6V to 60V Input Voltage Range
4 . 5 \mathsf { V } to 30V Output Voltage Range
Peak Drive Current > 3 A
0 . 8 \lor ± 1 % Reference Voltage
Adjustable Switching Frequency from 150kHz to 400kHz
Adjustable Soft-Start Time
PWM or PFM Operation Selectable in Light Load
Smooth Pre-Biased Startup
Spread-Spectrum Function
Power Good Indicator
Fault Indicator
CBC Current Limit Protection
Output Voltage Undervoltage, Overvoltage, and
Overcurrent Protection
Thermal Shutdown
Package: QFN5×5-32
Applications
GPS Navigation Systems Handheld Devices Portable Media Player
Features
Applications
Input Voltage Range 3V to 25V 500kHz Fixed Switching Frequency An Accurate DC Input Current Limit External Compensation Internal Soft-start Limits the Inrush Current Integrated Low Side Driver: 1.5A Sourcing and 3A Sinking RoHS Compliant and Halogen Free Compact Package: \mathsf { D F N 3 } x 3 { - } 1 0
GPS Navigation Systems Handheld Devices Portable Media Player
SY7902AFHC - High Efficiency 300kHz, 25V Boost/SEPIC Controller with Output Current Limit
Features
Applications
Input Voltage Range 3V to 25V 300kHz Fixed Switching Frequency Output Current Limit External Compensation Programmable Soft-start Limits the Inrush Current Integrated Low Side Driver: 1.5A Sourcing and 3A Sinking RoHS Compliant and Halogen Free Compact Package: SSOP10
GPS Navigation Systems Handheld Devices Portable Media Player
Step Up/Down Regulator (Power Switch Integrated)
| VIN | VouT | A Vrely | Input Corent(nt Ron (HL) | MOSFET | |²CFeature/Special Function | Package | ||||
| Part Number | Mn Mx | ILIm(A) | Fsw(MHz) (max) | |||||||
| SY9702QOC | 2.6 5.5 | 2 | 1 | 3.8 | 0.6V±1.5% | 60 | 50/50 | Output Disconnect @Shutdown | QFN2×3-13 | |
| SY9701ADPC | 2.6 5.5 | 1.2 | 1 | 3.8 | 0.6V±1.5% | 60 | 100/100 | Output Disconnect @Shutdown Selectable Inductor Current Limitand | DFN3×3-14 | |
| SY9329QFC | 4 | 28 | Programmable 0.25/0.5/ 6A/8A/10A | 0.75/1 | 28 | adjustable | 310 | 25/25 | VBUS Output Current Limit Selectable VBUS Output Voltage:5V,7V,9V,12V, 15V, 20V Selectable Inductor Current Limit and | QFN4×4-32 |
| SY9329BQFC | 4 | 28 | Programmable 0.25/0.5/ 6A/8A/10A | 0.75/1 | 28 | adjustable | 310 | 25/25 | VBUS Output Current Limit Selectable VBUS Output Voltage:5V,9V,10V,12V, 15V,20V | QFN4×4-32 |
| SY9329CQFC | 4 | 28 | Programmable0.25/0.5 6A/10A | 28 | 1V±1.5% | 300 | 25/25 | Programmable Output Current Limitation with Ext.Sensing Resistor VBUS Output Voltage can be Configured | QFN4x4-32 | |
| SY9228QEC | 4 | 28 | Programmable 0.25/0.5/ 6A/8A/10A | 0.75/1 | 28 | adjustable | 450 | 19/19 | in 0.1V per Step from 3.6V to 21V Selectable Inductor Current Limit and Output Current Limit | QFN5×5-32 |
Features
2.6V to 5.5V Input Voltage Range
2A Continuous Output Current Capability
Adjustable Output Voltage between 2.6V and 3.8V
Independent of the Input Voltage
1 MHz (typ.) Fixed Frequency Operation
Four low RDSON Internal Power Switches
Seamless Buck-Boost Transition
Output Disconnect During Shutdown
Power Good Indicator
Built In Thermal Shut Down Protection, Hard Short
Protection
Applications
Handheld Instruments
MP3/MP4 Players
Digital Cameras/Camcorders
Personal Medical Products
High Power LED’s
Two-cell and three-cell alkaline, Ni-Cd or Ni-MH or
single cell Li battery powered products
SY9701ADPC - High Efficiency, 1MHz,1.2A Buck-Boost DC/DC Regulator
Features
2 . 6 \mathsf { V } to 5 . 5 \mathsf { V } Input Voltage Range
1.2A Output Current capability
1 MHz Fixed Frequency Operation
6 0 \mu \mathsf { A } Quiescent Current (no load, typ.)
0 . 1 \mu \mathsf { A } Shutdown Current (typ.)
Seamless Transition Between Operating
Modes
Output disconnect during shutdown
Application configurable soft-start
Power Good Indicator
Built in Thermal, Output Short UVLO
and OVP Protections
Compact Package: D F N 3 x 3 - 1 4
Applications
Two cell and three cell alkaline, Ni-Cd or Ni
MH, or single cell Li batteries used in portable
applications
Handheld Instruments
MP3/MP4 Players
Digital Cameras/Camcorders
IoT devices
SY9329QFC/SY9329BQFC
- High Efficiency, 28V Input Single Inductor Synchronous Step Up/Down Regulator
Features
Applications
Bidirectional Power Delivery: Source Mode and Sink Mode 4V to 28V Input Voltage Range Low RDS(ON) for Internal Switches: 25mΩ Internal Soft Start 8-bit ADC for Output Voltage, Input Voltage and VBUS Output Current Detection Fully Protected for Output Over Current, Shortcircuit and Over-temperature I2C Compatible Interface Support Interrupt for Status Feedback Selectable Switching Frequency: 250kHz, 500kHz, 750kHz, 1MHz Selectable VBUS Output Voltage: SY9329: 5V, 7V, 9V, 12V, 15V, 20V SY9329B: 5V, 9V, 10V, 12V, 15V, 20V Selectable Inductor Current Limit and VBUS Output Current Limit Compact Package: QFN4×4-32
Docking Station
Laptop
High-End Power Bank
Monitor
Car Charger
USB PD
SY9329CQFC - High-Efficiency, 38V Maximum Input Single-Inductor Synchronous Step-Up/Down Regulator
Features
Applications
Docking Station
Laptop
High-End Power Bank
Monitor
Car Charger
USB PD
4V to 28V Operating Input Voltage Range 38V Absolute Maximum Input Voltage Low RDS(ON) for Internal Switches: 25mΩ 250kHz/500kHz Selectable Switching Frequency Soft-Start Inrush Current limit Hiccup Mode for Output Overcurrent, Short-Circuit and Overvoltage Protection Thermal Shutdown with Auto-Recovery 6 \mathsf { A } / 1 0 \mathsf { A } Selectable Average Inductor Current Limit 1 . 0 \mathsf { V } ± 1 . 5 % Reference Voltage Accuracy Resistor Programmable Output Current Limit RoHS-Compliant and Halogen-Free Compact Package: Q F N 4 x 4 - 3 2
Features
Applications
Bidirectional Power Delivery: Source Mode and
Sink Mode
4V to 28V Input Voltage Range
Low RDS(ON) for Internal Switches: 19mΩ
Internal soft-start
Support Interrupt for Status Feedback
Optional External P-channel FET Driver
Cable Impedance Compensation
8-bit ADC for Output Voltage, Input Voltage and
Output Current Detection
Fully Protected for Output Over Current, Short
circuit and Over-temperature
I2C Compatible Interface
Support Interrupt for Status Feedback
Selectable Switching Frequency: 250kHz, 500kHz, 750kHz, 1MHz
VBUS Output Voltage can be Configured in
0.1V per Step from 3.6V to 21V
Selectable Inductor Current Limit and Output
Current Limit
Compact Package: QFN5×5-32
UL Certificate Number E491480
IEC 62368-1 Certified
Docking Station
Laptop
Power Bank
Monitor
USB PD
| Part Number | Package | WM | OuIMtType | OveraIlIHNON | REFIN | (s2) | Temp Range | Features | ||
| SQ29663XBQ QFN5×6-41 | 5 | 5~16 | 70 | Voltage Output | ±5% | 1~2 | 250~1000 | -40°C to 125°C 16V,70A co-package DrMOS | ||
| SQ29670NGG LGA5×6-41 | 3.3 | 5~16 | 70 | Current Type | ±5% | 1~1.4 | 200~2000 | -40°C to 125°C | 16V,70A DrMOS |
SQ29663XBQ
16V/70A Integrated Power Stage DrMOS
Features
70A Output Current Capability
Integrated Driver and Power MOSFET
VDRV/VCC/VBST/VIN UVLO
Provide Pre-OVP protection via VOS Pin
Support Switching Frequency up to 1.0MHz
3.3V/5V PWM Input Compatible with Tri-state Logic
Integrated 5mV/A Current Sensing and Accurate
Inductor Current Report
Integrated 8 \mathsf { m V / ^ { \circ } C } Temperature Monitor and Report
Provide OTP with Fault Flag
Cycle by Cycle Peak Current Protection with Fault
Flag and Negative Over Current Protection
Programmable Threshold for Peak Current and Valley
Current Protection
Switching-node Short Circuit Protection with Fault
Flag
Auto Refresh for VBST Power Supply in Tri-state
Package: QFN5×6-41
Applications
Multi-phase Synchronous Buck Converters
POL DC-DC Converters
Telecom and Server Power
GPU/CPU Core Power
SQ29670NGG 16V/70A DrMOS
Features
70A Output Current Capability
Integrated Driver, Power MOSFET and Decoupling
Capacitors
VDRV/VCC/BST/VIN UVLO
Support Switching Frequency up to 2.0MHz
3.3V PWM Input Compatible with Tri-state Logic
Integrated { \mathsf { 5 } } { \mu } { \mathsf { A } } / { \mathsf { A } } Current Sensing and Accurate Inductor
Current Report
Integrated 8 \mathsf { m V / ^ { \circ } C } Temperature Monitor and Report
Provide OTP with Fault Flag
Cycle-by-cycle Peak Current Protection with Fault Flag and
Negative Over Current Protection
Programmable Threshold for Peak Current and Valley
Current Protection
Auto Refresh for VBST Power Supply in Tri-state
Common Footprint Package: \mathsf { L G A 5 } x 6 { - } 4 \ddagger 1
Applications
Multiphase Synchronous Buck Converters High Current CPU, GPU, ASIC and AI Power Supply Telecom and Server Power
| Part Number | Package | Number of Output Rail | Number of Phases | Supply Voltage (V) | fsw (kHz) | Interfaces | Temp Range | Typical Application | Features |
| SQ51202QJQ | QFN7×7-48 | 1 | 6 | 3.3 | 300-1200 | PMBus | -40°C to 125°C | ASIC, Networking, ASSP | Ripple-based COT control with built-in flexible loop compensation, single rail 6 phase digital controller, enhanced version |
| SQ51222RPQ | QFN5×5-40 | 2 | N+Ms5 | 3.3 | 300-1000 | PMBus | ASSP | Ripple-based COT control with 40i with N+M≤5 (M≤2) digital controller | |
| SQ51225QJQ | QFN7×7-48 | 2 | N+M≤5 | 5 | 300-2000 | PMBus | -40°℃to 125°℃CNetwocking, | ASSP | Ripple-based COT control with compeitinlries with N+M≤5 (M≤2) digital controller |
Features
Flexible Phase Assignment and Arbitrary Firing Sequence, N < = 6 Differential Remote Sense Output Voltage Regulation Range Covers: 0 . 2 5 ^ { ~ } 1 . 5 2 \lor in 5 \mathsf { m V } Table 0 . 5 ^ { ~ } 2 . 0 \mathsf { V } in 1 0 \mathsf { m V } Table 0 . 2 5 ~ 2 \lor in Linear Mode ( \mathsf { L S B } \mathsf { = } 1 . 9 5 3 \mathsf { m V } ) Programmable Soft-Start Slew Rate and Voltage Positioning Slew Rate Flexible Pin-Strap Settings Including: \blacktriangleright 5MmulVti/p1l0e(m8V) CVIuDstToambleer Configurations 4 PMBus Addresses with Additional 5 Bit Programmable Offset 8-Bit Boot Voltage PMBus 1.3.1 Compliant, 1.8/3.3V Signaling: System Configuration DVS using VOUT_COMMAND Operation Control and Fault Handling Status Reporting and Telemetry Flexible PWM Driver Design to Support SPS from Multiple Vendors Integrated Programmable Loop Compensation, Minimal External Components Adjustable Current Balancing with Optional Thermal Balancing Offsets Autonomous Phase Shedding with Enhanced Transient Performance Advanced Protection Scheme with Programmable Response and Thresholds Fault Response: Latched Shutdown, Hiccup, Autonomous Recovery IUVP, IOVP, OUVP, OOVP (Fix and Tracking) OCP OTP, DRV_FLT, DRV_NONRDY Protection Driver UVLO and Limp Mode fault detection SPS Current Sharing Protection Pulse by Pulse Current Limit Open/Short Voltage Sense Line Detection Per-Phase Negative Current Limit
Internal NVM to Store Up to 8 Customer Configurations
• Switching Frequency Range from 300kHz to
1.2MHz with Frequency Compensation Single + 3 . 3 V Supply Operation 48-Lead QFN7x7 0.5mm Pitch Package
Applications
Application-Specific ASIC power Core Routers and Switches High Performance XPU/FPGA Power High Density Power Solutions




