Products
Power Management
Semtech SC2655
Programmable Synchronous DC/DC Hysteretic Controller with VRM 9.0 VID Range
The SC2655 is a synchronous-buck switch-mode controller designed for use in single ended power supply applications where efficiency is the primary concern. The controller is a hysteretic type, with a user selectable hysteresis. The SC2655 is ideal for implementing DC/DC converters needed to power advanced microprocessors such as Pentium® III and Athlon®, in both single and multiple processor configurations. Inhibit, under-voltage lockout and soft-start functions are included for controlled power-up.
Overview
Features
- Programmable hysteresis
- 5-bit DAC programmable output (1.1 V – 1.85 V)
- On-chip power-good and OVP functions
- Designed to meet latest Intel specifications
- Up to 95% efficiency
- VIDs pulled up to +3.3 V
- SO-28 package
Applications
- Server systems and workstations
- Intel Pentium® III core supplies
- AMD Athlon™ core supplies
- Multiple-microprocessor supplies
- Voltage regulator modules
Packaging
SOIC-28
Order Codes
- SC2655SWTR: Package Minimum Tape & Reel Only
Diagrams and Specs
Block Diagram
Click diagram to enlarge