LM2638 - Motherboard Power Supply Solution

Product Overview

Texas Instruments

Datasheet Details

Part number	LM2638
Manufacturer	Texas Instruments
File Size	343.59 KB
Description	Motherboard Power Supply Solution
Datasheet	LM2638 Datasheet
Additional preview pages of the LM2638 datasheet.

Product details

Description

The LM2638 provides a comprehensive embedded power supply solution for motherboards hosting high performance MPUs such as Pentium™ II, M II™, K6™-2 and other similar high performance MPUs.

Features

1.
2345 Provides 3 regulated voltages.
Power Good flag and output enable.
Charge pump pin.
Switching Section.
Synchronous rectification.
5-bit DAC programmable down to 1.3V.
Typical ±1% DAC tolerance.
Switching frequency: 50 kHz to 1 MHz.
Over-voltage protection.
Two methods of over-current protection.
Adaptive non-overlapping FET gate drives.
Soft start without external capacitor.

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Published: Aug 21, 2019 |