Products
Power Management
Semtech SC419
Single Phase DC-DC Converter with Integrated Boost Diode
The SC419 is a synchronous buck power supply controller. It features a bootstrap switch in a space-saving MLPQ- 3x3mm 20-pin package. The device is highly effi cient and uses minimal PCB area. It uses pseudo-fi xed frequency adaptive on-time operation to provide fast transient response.
Overview
Features
- Input voltage — 3V to 28V
- Integrated bootstrap switch
- Smart power-save protection
- TC compensated RDS(ON)
- Pseudo-fi xed frequency adaptive on-time control
- Designed for use with ceramic capacitors
- Programmable VIN UVLO threshold
- Enable input
- Selectable power-save mode
- Programmable ultra-sonic power-save
- Internal soft-start and soft-shutdown at output
- Internal reference — 1% tolerance
- Over-voltage/under-voltage fault protection
- Power good output
- SmartDrive™
- Lead-free 3x3mm, 20-Pin MLPQ package
- Fully WEEE and RoHS compliant
Applications
- Notebook, desktop, tablet, and server computers
- Networking and telecommunication equipment
- Printers, DSL, and STB applications
- Embedded applications
- Power supply modules
- Point of load power supplies
Packaging
- Notebook, desktop, tablet, and server computers
- Networking and telecommunication equipment
- Printers, DSL, and STB applications
- Embedded applications
- Power supply modules
- Point of load power supplies
Packaging
MLPQ-20
Order Codes
- SC419ULTRT: Lead-free, RoHS and WEEE compliant, 3000 pcs. Tape & Reel
- SC419EVBL: SC419 Evaluation Board
Diagrams and Specs
Datasheets and Resources
Restricted