- on Education & Information
- Published in issue 7/2008 on page 125
PR4401/02 off the Beaten Track
The well-known PR4401 and PR4402 LED drivers from PREMA have enjoyed great popularity as a result of their low cost, tiny physical size, and ready availability. The device is a switching regulator that is specifically designed for driving white LEDs from a single dry or rechargeable cell. The only external component required is a small inductor.