SC1157 PROGRAMMABLE SYNCHRONOUS DC/DC CONTROLLER FOR ADVANCED PROCESSORS

Semtech Corporation

Description

PROGRAMMABLE SYNCHRONOUS DC/DC CONTROLLER FOR ADVANCED PROCESSORS Preliminary - August 7, 2000 SC1157 TEL:805-498-2111 FAX:805-498-3804 WEB:http://w.
The SC1157 is a low-cost, full featured, synchronous voltage-mode controller designed for use in single ended power supply applications where efficien.

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Datasheet Specifications

Part number: SC1157
Manufacturer: Semtech Corporation
File Size: 71.42 KB
Datasheet: SC1157_SemtechCorporation.pdf
Description: PROGRAMMABLE SYNCHRONOUS DC/DC CONTROLLER FOR ADVANCED PROCESSORS

Features

* include an integrated 4-bit VID DAC, temperature compensated voltage reference, triangle wave oscillator, current limit comparator, frequency shift over-current protection, and an internally compensated error amplifier. The SC1157 operates at a fixed 140KHz, providing an optimum compromise between e

Applications

* where efficiency is of primary concern. Synchronous operation allows for the elimination of heat sinks in many applications. The SC1157 is ideal for implementing DC/DC converters needed to power advanced microprocessors such as Pentium® ll (Klamath), in both single and multiple processor configurati

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SC1157 PROGRAMMABLE SYNCHRONOUS CONTROLLER FOR ADVANCED PROCESSORS Semtech Corporation

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