Chapter 69

3A, 2MHz monolithic synchronous step-down regulator provides a compact solution for DDR memory termination

Joey M. Esteves

Abstract

The LTC3413, a monolithic, synchronous step-down DC/DC converter that is well suited for DDR memory termination applications requiring up to ±3A of output current, is described.

Keywords

Monolithic synchronous step-down regulator

DC/DC converter

DDR memory

LTC3413

Introduction

The LTC3413 is a monolithic synchronous, step-down switching regulator that is capable of generating a bus termination voltage for DDR/DDR2 memory applications. While sourcing and sinking up to 3A of current, the LTC3413 allows switching frequencies as high as 2MHz. Increasing the switching frequency makes compact solutions ...

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