Chapter 82

High efficiency PolyPhase converter uses two inputs for a single output

Wei Chen and Craig Varga

Abstract

The LTC1929 PolyPhase controller that provides a small, low cost solution for multi-input applications is described.

Keywords

PolyPhase regulator

LTC1929

LTC1629

Introduction

As more functions are integrated into one IC, the power drawn by a single IC can easily exceed the capability of a single input power source. Redesigning the front-end power supply to increase the supply’s capability will take time and money. Another solution is to use several available power sources to obtain the required output power, drawing some percentage of the total power from each source. The LTC1929 PolyPhase regulator provides a simple ...

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