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Analog Circuit Design Volume Three by John Hamburger, Bob Dobkin

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Chapter 126

4MHz monolithic synchronous step-down regulators bring high efficiency to space-sensitive applications

Joey M. Esteves

Abstract

The LTC3411 and LTC3412, high performance monolithic, synchronous step-down DC/DC converters that are well suited for applications requiring up to 1.25A and 2.5A of output current, respectively, are described.

Keywords

Step-down regulator

LTC3411

LTC3412

Introduction

The LTC3411 and LTC3412 provide compact and efficient power supply solutions for portable electronics such as cell phones, PDAs and notebook computers. These two monolithic, synchronous step-down regulators provide DC/DC conversion from either a 3.3V or 5V system voltage to outputs as low as 0.8V. They also offer switching frequencies ...

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