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Home › Magazines › 2006 › November › PR4401 LED driver

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PR4401 LED driver

Design tip

Published in issue 359, November 2006

PR4401 LED driver
White LEDs have a forward voltage drop of around 3.6 V. If we wish to operate a white LED from a single 1.5 V dry cell or 1.2 V rechargeable cell we therefore need a voltage converter. Until now, solutions to this problem, whether discrete or based around an IC, have required several components.

Relevant websites

www.prema.com
www.prema.com/Application/whiteleddriver.html
www.ak-modul-bus.de

Click below to download a PDF copy of this article from Elektor magazine.

 

Downloads 
PDF Article (u061172.pdf)
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Please note. In view of the complexity of international markets, Elektor cannot guarantee the availability of components for this project.

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