Switching Regulators
  • SC195F
  • 3.5MHz, 500mA Synchronous Step Down DC-DC Regulator
  • SC202F
  • 3.5MHz, 500mA Step-down Regulator with Integrated Inductor
  • SC21150
  • Tiny 1.2A Synchronous Buck Regulator
  • SC21152
  • Tiny 1.2A Synchronous Buck Regulator with Power Good
  • SC221
  • 20MHz, 650mA, X-EMI™-Enabled Synchronous Step-Down Regulator
  • SC284AQ
  • Dual Channel 2.5MHz, 1.7A Synchronous Buck Regulator
  • TS13101
  • Galvanic Isolated Latching 60V Power Load Switch
  • TS30011
  • High Efficiency 1A Current-Mode Synchronous Buck DC/DC Converter, 1MHz
Semtech SC2677

Semtech SC2677

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
  • 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
 
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