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 SC453

Semtech SC453

Portable, VID Programmed Single Phase Power Supply Controller

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The SC453 IC is a single chip high-performance Hysteretic PWM controller. With its integrated SmartDriver™, it powers advanced graphics and core processors.


  • High speed hysteretic controller
  • Single phase operation
  • Selectable analog or VID controlled sleep setting
  • 6 bit VID programmable output
  • Integrated drivers with soft high side turn-on
  • Programmable soft-start
  • Programmable boot voltage
  • Programmable sleep voltage with sleep mode
  • Under-voltage lock out on VCCA
  • Over-voltage protection on CORE
  • Current limit protection on CORE
  • Thermal protection
  • Power good flag with blanking during VCORE changes
  • Automatic power save at light load
  • TSSOP-28 package


  • Low Power Notebook and Laptop Computers
  • Embedded Applications



Order Codes

  • SC453TSTRT: Lead-Free, RoHS and WEEE Compliant, Package Minimum Tape & Reel Only
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