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Analog Circuit Design Volume Three by John Hamburger, Bob Dobkin

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Chapter 151

Wide input voltage range boost/inverting/SEPIC controller works down to an input voltage of 1.6V

Zhongming Ye

Abstract

The LT3759 controller is described. It operates over a wide input voltage range and controls positive and negative outputs using the same feedback pin, simplifying the design of power supplies that must be compatible with a wide array of power sources.

Keywords

LT3759

boost converter

SEPIC converter

inverting converter

Introduction

Many of today’s electronic devices require an inverting or noninverting converter or sometimes both. They also need to operate from a variety of power sources including USB, wall adapters, alkaline and lithium batteries. To produce various polarity outputs from variable input ...

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