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SC1189

Part Number	SC1189
Manufacturer	Semtech
Description	Programmable Synchronous DC/DC Converter / Dual LDO Controller
Published	Oct 7, 2005
Detailed Description	SC1189 Programmable Synchronous DC/DC Converter, Dual LDO Controller POWER MANAGEMENT Description Features The SC1189...
Datasheet	SC1189 PDF File

Overview

SC1189 Programmable Synchronous DC/DC Converter, Dual LDO Controller POWER MANAGEMENT Description Features The SC1189 combines a synchronous voltage mode controller with two low-dropout linear regulators providing most of the circuitry necessary to implement three DC/DC converters for powering advanced microprocessors such as Pentium®III.
The SC1189 switching section features an integrated 5 bit D/A converter, latched drive output for enhanced noise immunity, pulse by pulse current limiting and logic compatible shutdown.
The SC1189 switching section operates at a fixed frequency of 200kHz, providing an optimum compromise between size, efficiency and cost in the intended application areas.
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