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Analog Circuit Design Volume Three by John Hamburger, Bob Dobkin

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Chapter 130

3MHz micropower synchronous boost converters deliver 3W from two cells in a tiny MSOP package

Mark Jordan

Abstract

The LTC3401 and LTC3402, high frequency micropower synchronous boost converters that operate from an input voltage below 1V and deliver up to 1A of output current from two cells, are described.

Keywords

Boost converter

LTC3401

LTC3402

Portable electronic devices operating from one or more alkaline or nickel-metal-hydride cells require a boosted supply that is both small and efficient. Linear Technology’s new LTC3401 and LTC3402 are high frequency micropower synchronous boost converters that operate from an input voltage below 1V and deliver up to 1A of output current from two cells. DC/DC efficiency can be as ...

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