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Analog Circuit Design Volume Three by John Hamburger, Bob Dobkin

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Chapter 52

36V 2A buck regulator integrates power Schottky

David Ng

Abstract

The LT3681, which integrates a wide input voltage range, high performance buck controller, power switch, high side bootstrapping boost diode and a power Schottky diode, is described.

Keywords

Buck regulator

Power Schottky diode

LT3681

Introduction

Everyone wants more power in less space. However, the task of designing a power supply is easy to describe but difficult to execute. How does a designer select an optimal set of components that yields the best possible power supply in terms of size, cost and performance? Well, it is easier if the selection is reduced to only a handful of components.

For instance, the LT3681 reduces parts selection to only a few ...

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