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Analog Circuit Design Volume Three by John Hamburger, Bob Dobkin

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Chapter 157

High input voltage monolithic switcher steps up and down using a single inductor

Jay Celani

Abstract

The LT3433 high voltage monolithic DC/DC converter is described. It incorporates two switch elements, accommodating both step-up and step-down conversion using a single inductor, simplifying ultrawide input range DC/DC voltage conversion.

Keywords

LT3433

DC/DC converter

high input voltage

ultrawide input voltage range

Introduction

Ultrawide input voltage requirements are a common design problem for DC/DC converter applications, but when that range includes voltages both above and below the output voltage, the converter must perform both step-up and step-down functions. The LT3433 is a high voltage monolithic DC/DC converter ...

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