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Analog Circuit Design Volume Three by John Hamburger, Bob Dobkin

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Chapter 28

Floating input extends regulator capabilities

Brian Huffman

Abstract

Many applications require circuit performance that is unachievable with conventional regulator design. Potential ways of solving this problem by floating the input to the regulator are described.

Keywords

Regulator

Floating input

LT1986

LT1070

Many applications require circuit performance that is unachievable with conventional regulator design. This results in added complexity to the circuit. However, some problems can easily be solved by floating the input to the regulator. A floating input can either be a battery, or a secondary winding that is galvanically isolated from all other windings. With this method high efficiency negative voltage regulation, ...

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