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Analog Circuit Design Volume Three by John Hamburger, Bob Dobkin

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Chapter 221

Micropower DC/DC converter with independent low-battery detector

Steve Pietkiewicz

Abstract

The LT1304, a micropower DC/DC converter with independent low-battery detector, is described.

Keywords

Micropower DC/DC converter

low-battery detector

LT1304

In the expanding world of low power portable electronics, a 2- or 3-cell battery remains a popular power source. Designers have many options for converting the 2V to 4V battery voltage to 5V, 3.3V and other required system voltages using low voltage DC/DC converter ICs. The LT1304 offers users a micropower step-up DC/DC converter featuring Burst Mode operation and a low-battery detector that stays alive when the converter is shut down. The device consumes only 125μA when active, ...

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