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SC8101

High Efficiency, Synchronous 32V/5A Buck Converter

SC8101SC8101

SC8101

SC8101 is a synchronous buck converter with a wide input voltage from 4.4V to 32V. The SC8101 regulates the output voltage at a fixed 5.1V or customized voltage by setting the divider resistor. It also provides high accurate output current limit. The converter enters Constant Current (CC) Mode in case the output reaches the setting current limit. The total output power can be programmed by a resistor, which makes it easy for constant power (CP) control. SC8101 integrates 45mΩ high side NMOS and 30mΩ low side NMOS to achieve high efficiency. Besides, it provides low side gate driver (LSD) to drive external NMOS and works with build-in NMOS. SC8101 adopts programmable line drop compensation, programmable frequency setting with minimum external components, maximum functions can be achieved for user's different applications. SC8101 also supports full protections including under voltage protection, over voltage protection, short current protection and auto-restart, over temperature protection. SC8101 adopts 19 pin QFN 3x3 package.
SC8101
SC8101 is a synchronous buck converter with a wide input voltage from 4.4V to 32V. The SC8101 regulates the output voltage at a fixed 5.1V or customized voltage by setting the divider resistor. It also provides high accurate output current limit. The converter enters Constant Current (CC) Mode in case the output reaches the setting current limit. The total output power can be programmed by a resistor, which makes it easy for constant power (CP) control. SC8101 integrates 45mΩ high side NMOS and 30mΩ low side NMOS to achieve high efficiency. Besides, it provides low side gate driver (LSD) to drive external NMOS and works with build-in NMOS. SC8101 adopts programmable line drop compensation, programmable frequency setting with minimum external components, maximum functions can be achieved for user's different applications. SC8101 also supports full protections including under voltage protection, over voltage protection, short current protection and auto-restart, over temperature protection. SC8101 adopts 19 pin QFN 3x3 package.
Product Details
Design / Development
Technical Documentation
Applications

Product Details

Design / Development

Parameters
Value
EVM Model
SC8101 EVM
Key Part Number
SC8101
importation
32V 5A Buck Converter
functionality
Integrated constant power and line loss compensation with adjustable frequency
SC8101 EVM

Technical Documentation

Parameter NameParameter Value
VIN range4.5~32V
Abs. VIN (max)40V
VOUT range4.5-VIN / Fixed 5.1V
Iout(max)5A
MOSInt.
fsw80kHz ~ 1.2MHz
Parameter NameParameter Value
Almost 100% mode√
PFM√
Constant Current Mode1-rail, high side sense
Constant Power Mode√
FeaturesExternal low-side power-MOS driver
PackageQFN 3x3
Parameter NameParameter Value
VIN range4.5~32V
Abs. VIN (max)40V
VOUT range4.5-VIN / Fixed 5.1V
Iout(max)5A
MOSInt.
fsw80kHz ~ 1.2MHz
Almost 100% mode√
PFM√
Constant Current Mode1-rail, high side sense
Constant Power Mode√
FeaturesExternal low-side power-MOS driver
PackageQFN 3x3