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LR7 start-up circuit for efficient switch-mode power supplies

Posted: 07 May 2002 ?? ?Print Version ?Bookmark and Share

Keywords:zener diode? power resistor? power dissipation? voltage waveform?

This application note explains how to use the Supertex LR7 as a start-up device for an SMPS, and demonstrates its advantages compared to conventional resistor and Zener diode circuits.

View the PDF document for more information.

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