SC1172 Programmable Synchronous DC/DC Converter

Semtech Corporation

Description

POWER MANAGEMENT .
SC1172 & SC1173 Programmable Synchronous DC/DC Converter with LDO Controller Features The SC1172/3 combines a synchronous voltage mode controller wi.

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Datasheet Specifications

Part number: SC1172
Manufacturer: Semtech Corporation
File Size: 211.96 KB
Datasheet: SC1172_SemtechCorporation.pdf
Description: Programmable Synchronous DC/DC Converter

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 con

Applications

* u Pentium® ll microprocessor supplies u Flexible motherboards u 1.3V to 3.5V microprocessor supplies u Programmable triple power supplies Typical Application Circuit 12V 5V + 1500uF x2 PWRGOOD VID0 VID1 VID2 VID3 VID4 EN 3.3V 10 0.1uF U4 5 VCC 7 PWRGOOD CS+ 9 CS- 8 0.1uF 22 VID0 VOSENSE 17

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SC1172 Programmable Synchronous Converter Semtech Corporation

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