Chapter 33

20V, 2.5A monolithic synchronous buck SWITCHER+ with input current, output current and temperature sensing/limiting capabilities

Tom Gross

Abstract

The LTC3626, a synchronous buck regulator with current and temperature monitoring, is described.

Keywords

Synchronous buck regulator

LTC3626

Introduction

The LTC3626 synchronous buck regulator with current and temperature monitoring is the first of Linear’s SWITCHER+ line of monolithic regulators. It is a high efficiency, monolithic synchronous step-down switching regulator capable of delivering a maximum output current of 2.5A from an input voltage ranging from 3.6V to 20V (circuit shown in Figure 33.1). The LTC3626 employs a unique controlled on-time/constant frequency current ...

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