Chapter 84

Low cost surface mount DC/DC converter delivers 100A

Wei Chen

Abstract

The newly released LTC1629, a dual current mode PolyPhase controller that provides a cost-effective solution for low voltage, high current applications, is described.

Keywords

DC/DC converter

LTC1629

Introduction

As computer systems get larger and more complex, their supply current requirements continue to rise. Systems requiring 100A at 3.3V are fairly common while next generation CPU current consumption is approaching 100A at slightly above 1V. Because few off-the-shelf standard power modules are capable of this current level, most system designers are forced to use several modules in parallel to obtain the required current. The resulting power solution ...

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