PR4401 1-Watt LED Driver

Published in issue 7/2009 on page 47

The PR4401 chip from Prema can be used to drive an LED directly, but not a high-power LED like one of the popular 1-watt types currently available on the market. This article shows how it can be done in a simple way.

Downloading of this magazine article is reserved to Elektor Members only. To become a Member, go to