PWM Controllers
  • SC508A
    • EcoSpeed® DC-DC Buck Controller with Integrated LDO
  • SC508
    • EcoSpeed® DC-DC Buck Controller with Integrated LDO
  • SC493
    • EcoSpeed® Step-down Controller with I2C Interface
  • SC419
    • Single Phase DC-DC Converter with Integrated Boost Diode
  • SC418
    • EcoSpeed® DC-DC Buck Controller with Programmable LDO
  • SC4911
    • Bias/Primary Side PWM Controller with Ultra-Low Start-up Current
  • SC4910B
    • High-Performance Secondary Side Controller with Synchronous Rectifier
  • SC4910A
    • High-Performance Secondary Side Controller with Synchronous Rectifier
Semtech SC453

Semtech 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.

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

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