Semtech SC2677
Dual Synchronous Voltage-Mode Controller with Current-Sharing Circuitry

Not recommended for new designs.
Overview
Features
- 300 kHz to 1 MHz externally-programmable frequency operation
- Soft start and enable function
- Power-good output provided
- Under-voltage short-circuit protection
- Phase-shifted switchers minimize ripple
- High efficiency operation, >90%
- Programmable output(s) as low as 0.5 V
- Industrial temperature range
- TSSOP-20 package
- Bias voltage as low as 4.5 V
- Adjustable phase shift between channels
- 2-phase, current-sharing controller
- Flexible, same or separate VIN
- Programmable current sharing
- Thermal distribution via multi-phase output
Applications
- Graphics cards
- Peripheral add-in cards
- Dual-phase power supplies
- Power supplies requiring two outputs
Packaging
- TSSOP-20
Order Codes
- SC2677TSTRT: Lead-Free, RoHS and WEEE Compliant, Package Minimum Tape & Reel Only