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 15

PolyPhase surface mount power supply meets AMD Athlon processor requirements with no heat sink

Craig Varga

Abstract

The use of the LTC1929 PolyPhase current mode controller to meet AMD Athlon processor supply current requirements is described.

Keywords

LTC1929

PolyPhase

AMD Athlon processor

Introduction

With the introduction of the AMD Athlon processor, the supply current requirement for a desktop PC’s processor has, for the first time, surpassed the 40A mark. This, combined with low operating voltage (1.6V nominal) and very tight transient-response requirements, pushes conventional power supply design approaches to their limits. The LTC1929 PolyPhase current mode controller makes a slight break with convention. Instead ...

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