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Analog Circuit Design Volume Three by John Hamburger, Bob Dobkin

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Chapter 292

Versatile high power LED driver controller simplifies design

Ryan Huff

Abstract

A versatile high power LED driver controller that simplifies design is described.

Keywords

LED drive controller

LTC3783

Introduction

The increased popularity of high power LEDs over the last several years has challenged electronic engineers to come up with accurate and efficient, yet simple drive solutions. The task is more difficult as the market for LEDs enters the realm of high-powered lights, such as those for automobile headlights or large LCD backlights. High light-output solutions usually involve large arrays of individual LEDs stacked in series. Conventionally, driving high power strings with accurate current is at odds with simplicity ...

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