Products
Power Management
Semtech SC198A
Dual DC-DC Buck Converter with High Current Capability
Not recommended for new designs.
Overview
Features
- Input voltage range — 2.7V to 5.5V
- Dual buck converters with independent control
- High effi ciency — over 90% peak
- Up to 800mA Load
- Programmable output voltages per channel — 8
- Fixed-frequency operation — 1MHz
- Optional SYNC clock input
- Optional power-save under light-load conditions
- Shutdown current <1μA
- Soft-start to limit in-rush current
- 4mm x 4mm MLPQ package
Applications
- Mobile phones
- Cordless phones
- MP3 players
- Digital cameras
- PDAs
- Single Li-Ion cell or (3) NiMH/NiCd cell devices
- Digital multimedia broadcast (DMB) devices
- Portable gaming systems
Packaging
- MLPQ-20
Order Codes
- SC198AMLTRT: Lead-free, RoHS and WEEE compliant, 3000 pcs. Tape & Reel
Diagrams and Specs
Block Diagram
Click diagram to enlarge