LM2637 Datasheet (National Semiconductor) - Motherboard Power-Supply Solution

LM2637, Motherboard Power-Supply Solution

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 re

LM2637 Features

* n Provides 3 regulated voltages n Power Good flag and output enable n Under-voltage latch-off Switching Section n Synchronous rectification n 5-bit DAC programmable from 3.5V to 1.3V n Typical 1% DAC tolerance n Switching frequency: 50 kHz to 1 MHz n Two levels of over-voltage protection n Two metho