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SC1173 - Programmable Synchronous DC/DC Converter

Description

SC1172 & SC1173 Programmable Synchronous DC/DC Converter with LDO Controller

Features

  • The SC1172/3 combines a synchronous voltage mode controller with a low-dropout linear regulator providing most of the circuitry necessary to implement two DC/DC converters for powering advanced microprocessors such as Pentium® II . The SC1172/3 switching section features an integrated 5 bit D/A converter, pulse by pulse current limiting, integrated power good signaling, and logic compatible shutdown. The SC1172/3 switching section operates at a fixed frequency of 200kHz, providing an optimum co.

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Datasheet Details

Part number SC1173
Manufacturer SEMTECH
File Size 211.96 KB
Description Programmable Synchronous DC/DC Converter
Datasheet download datasheet SC1173 Datasheet

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Full PDF Text Transcription

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POWER MANAGEMENT Description SC1172 & SC1173 Programmable Synchronous DC/DC Converter with LDO Controller Features The SC1172/3 combines a synchronous voltage mode controller with a low-dropout linear regulator providing most of the circuitry necessary to implement two DC/DC converters for powering advanced microprocessors such as Pentium® II . The SC1172/3 switching section features an integrated 5 bit D/A converter, pulse by pulse current limiting, integrated power good signaling, and logic compatible shutdown. The SC1172/3 switching section operates at a fixed frequency of 200kHz, providing an optimum compromise between size, efficiency and cost in the intended application areas. The integrated D/A converter provides programmability of output voltage from 2.0V to 3.
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