O'Reilly logo

Analog Circuit Design Volume Three by John Hamburger, Bob Dobkin

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Chapter 63

60V, 3A step-down DC/DC converter has low dropout and 100μA quiescent current

Keith Szolusha

Abstract

The LT3434, a wide input voltage range, 200kHz, monolithic 3A, step-down DC/DC converter, is described.

Keywords

Step-down DC/DC converter

LT3434

Introduction

High voltage bipolar monolithic step-down converters are usually optimized for high efficiency at high output currents, often at the expense of light load efficiency and operation near dropout. The problem is that a 2mA quiescent current at zero load drains batteries in applications that spend long periods of time at minimum load current. One common solution for reducing quiescent current and improving battery run-time is a shutdown function, but shutdown drops the ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required