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Analog Circuit Design Volume Three by John Hamburger, Bob Dobkin

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Chapter 164

80V linear regulator is micropower

Todd Owen

Abstract

The LT3010, a high voltage, micropower, low dropout linear regulator in a thermally enhanced 8-lead MSOP package, is described.

Keywords

Linear regulator

High voltage

LT3010

Introduction

Industrial, automotive and telecom applications pose tough design challenges due to harsh operating environments and large voltage transients on already high (12V to 48V) rails. Some switching power supplies are robust enough to provide localized low voltage/high current power from high voltage input rails, but switch-mode supplies are overly complex for low power keep-alive circuits that typically consume only a few milliamps of current. For most of these low power circuits, a wide ...

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