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 SC4510

Semtech SC4510

High-Performance Synchronous Buck Controller with Reference Tracking

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The SC4510 can be configured as a synchronous buck convertor capable of sourcing and sinking current from load without losing output regulation.


  • Synchronous buck operation with current sink or source without loss of regulation
  • Output can track internal or external reference
  • Buffered reference output from external reference
  • Combi-Sense™ mode lossless current sensing
  • 2.5 V to 16 V operation with 4.75 V minimum VCC
  • Direct drive for high-side N-channel MOSFETs with diode and capacitor bootstrap
  • Under-voltage lockout, soft start, enable, power-good functions
  • Fast transient response with external compensation
  • Current-mode control with transductance error amplifier
  • Programmable oscillator frequency with external sync
  • Thermal shutdown
  • Space-saving TSSOP-20 package


  • Externally referenced buck convertors
  • DDR memory terminators
  • Point of use power supplies



Order Codes

  • SC4510ITSTR: Package Minimum Tape & Reel Only
  • SC4510ITSTRT: Lead-Free, RoHS and WEEE Compliant, Package Minimum Tape & Reel Only
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