LM2637
Overview
The LM2637 provides a comprehensive embedded power supply solution for motherboards hosting high performance MPUs such as M II™, Pentium™ II, K6-2 and other similar high performance MPUs. The LM2637 incorporates a 5-bit programmable, synchronous buck switching controller and two high-speed linear regulator controllers in a 24-pin SO package.
- Provides 3 regulated voltages
- Power Good flag and output enable
- Under-voltage latch-off Switching Section
- Synchronous rectification
- 5-bit DAC programmable from 3.5V to 1.3V
- Typical 1% DAC tolerance
- Switching frequency: 50 kHz to 1 MHz
- Two levels of over-voltage protection
- Two methods of over-current protection
- Adaptive non-overlapping FET gate drives