Products
Power Management
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.
Overview
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
Diagrams and Specs
Block Diagram
Click diagram to enlarge