LM2637 Motherboard Power-Supply Solution

National Semiconductor

Description

LM2637 Motherboard Power Supply Solution with a 5-Bit Programmable Switching Controller and Two Linear Regulator Controllers October 1998 LM2637 Mot.
The LM2637 provides a comprehensive embedded power supply solution for motherboards hosting high performance MPUs such as M II™, Pentium™ II, K6-2 and.

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Datasheet Specifications

Part number: LM2637
Manufacturer: National Semiconductor
File Size: 360.74 KB
Datasheet: LM2637_NationalSemiconductor.pdf
Description: Motherboard Power-Supply Solution

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

Applications

* n Embedded power supplies for PC motherboards n Triple DC/DC power supplies n Programmable high current DC/DC power supply Pin Configuration 24-Lead SOIC DS100848-1 Top View NS Package Number M24B M II™ is a trademark of Cyrix Corporation a wholly owned subsidiary of National Semiconductor Corpo

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LM2637 Motherboard Power-Supply Solution National Semiconductor

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