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Analog Circuit Design Volume Three by John Hamburger, Bob Dobkin

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Chapter 9

5V to 3.3V circuit collection

Richard Markell and Craig Varga

Abstract

5V to 3.3V circuit collection is discussed.

Keywords

Linear regulator

Synchronous switching regulator

LTC1174-3.3

LT1121-3.3

LT1129-3.3

LT1585

LTC1148

LTC1266

High efficiency 3.3V regulator

The LTC1174-3.3 current mode DC/DC converter provides efficiencies better than 90% over a wide load current range while requiring only 1μA in shutdown.

image

3.3V battery-powered supply with shutdown

The LT1121-3.3 low dropout linear regulator provides up to 150mA output current with 30μA quiescent current.

3.3V supply with shutdown

The LT1129-3.3 low dropout ...

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