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SC1172

Semtech Corporation
Part Number SC1172
Manufacturer Semtech Corporation
Description Programmable Synchronous DC/DC Converter
Published Apr 8, 2005
Detailed Description POWER MANAGEMENT Description SC1172 & SC1173 Programmable Synchronous DC/DC Converter with LDO Controller Features The...
Datasheet PDF File SC1172 PDF File

SC1172
SC1172

Overview
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 in...


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