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Analog Circuit Design Volume Three by John Hamburger, Bob Dobkin

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Chapter 119

ThinSOT switching regulator controls inrush current

Jesus Rosales

Abstract

The LT3467 ThinSOT switching regulator is described, which provides a simple solution to the problems of inrush current.

Keywords

LT3467

ThinSOT

inrush current

Introduction

Inrush current can be troublesome, especially when regulators are operated from batteries or a current-limited source. In such cases, excessive inrush current can cause the input source to collapse and prevent the converter from ever starting up. Inrush current can also trip input line fuses or cause the output to overshoot. There are many ways to deal with this problem, but most of them are difficult to implement or have undesirable side effects, often making the cure worse ...

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