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SC1538 - DUAL LINEAR CONTROLLER

General Description

The SC1538 is a dual power supply controller designed to simplify power management on motherboards.

It is part of Semtech’s Smart LDO™ family of products.

The SC1538CS15/18 can provide a 1.818V power supply for the I/O plane and a 1.515V power supply for the GTL+ and AGP planes.

Key Features

  • include Enable controls for each linear FET controller and over current protection. Over current protection is provided by feedback to the sense pins. If any output drops below 1V (typical) for greater than 4ms (typical), that output will shut down. The SC1538 is available in a SO-8 surface mount package.

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Datasheet Details

Part number SC1538
Manufacturer SEMTECH
File Size 65.52 KB
Description DUAL LINEAR CONTROLLER
Datasheet download datasheet SC1538 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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DUAL LINEAR CONTROLLER SC1538 PRELIMINARY - October 5, 1999 TEL:805-498-2111 FAX:805-498-3804 WEB:http://www.semtech.com DESCRIPTION The SC1538 is a dual power supply controller designed to simplify power management on motherboards. It is part of Semtech’s Smart LDO™ family of products. The SC1538CS15/18 can provide a 1.818V power supply for the I/O plane and a 1.515V power supply for the GTL+ and AGP planes. The SC1538CS25/25 can provide two 2.525V supplies for clock and memory. SC1538 features include Enable controls for each linear FET controller and over current protection. Over current protection is provided by feedback to the sense pins. If any output drops below 1V (typical) for greater than 4ms (typical), that output will shut down.