Products
Power Management
Semtech SC401B
15A Integrated FET Regulator with Programmable LDO

The SC401B is a stand-alone synchronous EcoSpeedTM buck power supply which incorporates Semtech’s advanced patented adaptive on-time control architecture.
Overview
Features
- Power System
- Input voltage — 3V to 17V
- Bias voltage — 3V to 5.5V LDO or external
- Up to 96% peak efficiency
- Integrated bootstrap switch
- Programmable LDO output — 200mA
- Reference tolerance — 1% TJ= -40 to +125 °C
- Programmable soft-start time
- Logic Input/Output Control
- Independent EN controls for LDO and switcher
- Programmable VIN UVLO threshold
- Power good output
- Selectable PSAVE or FCM mode
- Protection
- Over-voltage and under-voltage
- TC compensated RDS(ON) sensed current limit
- Thermal Shutdown
- Output Capacitor Types
- High ESR — SP, POSCAP, OSCON
- Ceramic capacitors
- Package
- Lead-free package — 5x5mm, 32-Pin MLPQ
- RoHS/WEEE compliant and Halogen free
Applications
- Networking and telecommunication equipment
- Printers, DSL, and STB applications
- Embedded systems and power supply modules
- Point of load power supplies
Packaging
- MLPQ 32-Pin - 5x5mm
Order Codes
- SC401BMLTRT