PWM Controllers
  • SC1102
  • Synchronous Voltage-Mode Controller for Distributed Power-Supply Applications
  • SC1103
  • Asynchronous Voltage-Mode PWM Controller for 12 V Input
  • SC1104A
  • Not Recommended For New Designs
  • SC1104B
  • Simple, Synchronous Voltage-Mode PWM Controller
  • SC1109
  • Synchronous PWM Controller With Dual Low-Dropout Regulator Controllers
  • SC1110
  • Sink and Source DC/DC Controller For Termination Power Supply Applications
  • SC1116
  • Linear FET Controller for DDR Supplies
  • SC1175
  • Low-Power Dual Synchronous DC/DC Controller with Current-Sharing Circuitry
Semtech SC2677

Semtech SC2677

Dual Synchronous Voltage-Mode Controller with Current-Sharing Circuitry

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  • 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


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



Order Codes

  • SC2677TSTRT: Lead-Free, RoHS and WEEE Compliant, Package Minimum Tape & Reel Only
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