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Analog Circuit Design Volume Three by John Hamburger, Bob Dobkin

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Chapter 117

Tiny synchronous step-up converter starts up at 700mV

Dave Salerno

Abstract

The LTC3526L, a highly integrated step-up DC/DC converter in a 2mm × 2mm package designed to easily fit a wide variety of battery-powered applications, is described.

Keywords

Step-up DC/DC converter

LTC3526L

Introduction

Alkaline batteries are convenient because they’re easy to find and relatively inexpensive, making them the power source of choice for portable instruments and devices used for outdoor recreation. Their long shelf life also makes them an excellent choice for emergency equipment that may see infrequent use but must be ready to go on a moment’s notice. It is important that the DC/DC converters in portable devices operate over the ...

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