Products
Power Management
Semtech SC1185
Programmable Synchronous DC/DC Converter, Dual LDO Controller
The SC1185 combines a synchronous voltage mode controller with two low-dropout linear regulators providing most of the circuitry necessary to implement three DC/DC converters for powering advanced microprocessors such as Pentium® II .
Overview
Features
- Synchronous design, enables no-heatsink solution
- 95% efficiency (switching section)
- 5-bit DAC for output programmability
- On-chip power-good function
- Designed for Intel Pentium® II requirements
- 1.5 V, 2.5 V @ 1.25% for linear section
- 1.265 V ± 1.5% reference available
- 24-lead SO package. Lead free option available. Lead free product is fully WEEE and RoHS compliant.
Applications
- Pentium® II microprocessor supplies
- Flexible motherboards
- 1.3 V – 3.5 V microprocessor supplies
- Programmable triple power supplies
Packaging
SOIC-24
Order Codes
- SC1185CSW.TR: 1,000 pcs. Tape & Reel
- SC1185CSW.TRT: Lead-Free, RoHS and WEEE Compliant, 1000 pcs. Tape & Reel Only
Diagrams and Specs
Block Diagram
Click diagram to enlarge