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Standard Three Terminal Regulator Adjusts Down to Zero Volts 2016-11-20

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spec

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Standard Three Terminal Regulator Adjusts Down to Zero Volts - A simple circuit to get down to zero volts with a standard three terminal regulator

Issue: Draft 05 of 2016_11_20
View attachment 102416View attachment 102415

INTRODUCTION

Standard positive (LM317) and negative (LM337) three terminal regulators (TTRs), are dead convenient for making fixed and variable voltage power supplies to provide between 50mA and 7A, but, generally, they do not go lower than their 2.25V, floating reference voltage.

You can get around this by using one of the reference current regulators like the Linear...
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