SC453: Portable, VID Programmed Single Phase Power Supply Controller

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


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Features

  • 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

Diagrams

Typical Application Circuit

SC453 - Typical Application Circuit

Click diagram to enlarge

Applications

  • Low Power Notebook and Laptop Computers
  • Embedded Applications

Packaging

TSSOP-28

Order Codes

  • SC453TSTRT: Lead-Free, RoHS and WEEE Compliant, Package Minimum Tape & Reel Only
Order Sample Button
Pb-Free/RoHS/WEEE Status

Related Documents

Datasheets