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Analog Circuit Design Volume Three by John Hamburger, Bob Dobkin

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Chapter 271

Versatile voltage monitors simplify detection of overvoltage and undervoltage faults

Scott Jackson

Abstract

Versatile voltage monitors that simplify detection of overvoltage and undervoltage faults are described.

Keywords

Voltage monitor

overvoltage

undervoltage

LTC2912

LTC2913

LTC2914

Introduction

Many modern electronic systems have strict power supply operating ranges—requiring accurate monitoring of each supply. Some systems must know that all supplies are present and stable before start-up and some must know if the supplies deviate from safe operating conditions.

The LTC2912, LTC2913, and LTC2914 supervisors respectively monitor single, dual, and quad power supplies for undervoltage and overvoltage with tight 1.5% ...

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