SC2677B: Dual Synchronous Voltage-Mode Controller with Current-Sharing Circuitry


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Features

  • 300 kHz to 1 MHz externally programmable frequency operation
  • Soft start and enable function
  • Power-good output provided
  • Cycle-by-cycle peak current limit
  • Latch off for over-current protection
  • Phase-shifted switchers minimize ripple
  • High efficiency operation, > 90%
  • Programmable output(s) as low as 0.5 V
  • Industrial temperature range
  • Bias voltage as low as 4.5 V
  • Adjustable phase shift between channels
  • TSSOP-24 package
  • TSSOP-24 EDP package
  • Two Phase, Current Sharing Controller
    • Flexible, same or separate VIN
    • Programmable current sharing
    • Thermal distribution via multi-phase output

Diagrams

Typical Application Circuit

SC2677B - Typical Application Circuit

Click diagram to enlarge

Applications

  • Graphics cards
  • Peripheral add-in card
  • Dual-phase power supply
  • Power supplies requiring two outputs

Packaging

TSSOP-24, TSSOP-24-EDP

Order Codes
  • SC2677BITSTRT: Lead-Free, RoHS and WEEE Compliant, Package Minimum Tape & Reel Only
  • SC2677BTETRT: Lead-Free, RoHS and WEEE Compliant, Package Minimum Tape & Reel Only
Order Sample Button
Pb-Free/RoHS/WEEE Status

Related Documents

Datasheets