Isolated supply powers DVM module

by Richard Dunipace, Fairchild Semiconductor, Irving, TX; Edited by Charles H Small and Fran Granville, EDN, Feb 07 2008

Focus:
Inexpensive isolated flyback converter powers a digital-voltmeter module with operation from single-cell or multi-cell batteries.

What you’ll learn:

• How to build a low-cost, isolated power supply for a digital voltmeter module
• How to build an isolated flyback converter that operates from single- or multi-cell batteries

Notes:
An EDN Design Idea

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