Switching Regulators
  • SC4525D
    • 18V, 3A, 350kHz Step-Down Switching Regulator
  • SC4525C
    • 28V 3A Step-Down Switching Regulator
  • SC4524D
    • 18V 2A Step-Down Switching Regulator
  • SC4524C
    • 28V 2A Step-Down Switching Regulator
  • SC427
    • 10A EcoSpeed® Integrated FET Regulator with Programmable LDO
  • SC417
    • 10A EcoSpeed® Integrated FET Regulator with Programmable LDO
  • SC410
    • 3A, 24V EcoSpeed® Step-Down Regulator with LDO and Ultrasonic Power Save
  • SC403B
    • 6A EcoSpeed® Integrated FET Regulator with Programmable LDO
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