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Analog Circuit Design Volume Three by John Hamburger, Bob Dobkin

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Chapter 64

Monolithic synchronous regulator drives 4A loads with few external components

Joey M. Esteves

Abstract

The LTC3414, a monolithic, synchronous step-down DC/ DC converter that is well suited for applications requiring up to 4A of output current, is described.

Keywords

DC/DC converter

Monolithic synchronous regulator

LTC3414

Introduction

The LTC3414 offers a compact and efficient voltage regulator solution for point of load conversion in electronic systems that require low output voltages (down to 0.8V) from a 2.5V to 5V power bus. Internal power MOSFET switches, with only 67mΩ on-resistance, allow the LTC3414 to deliver up to 4A of output current with efficiency as high as 94%. The LTC3414 saves space by operating with switching ...

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