PR4403 only drives 40 mA.There aren't any, your 1W led is going to take 330mA, so your batteries wont last long, you need to use a led driver chip like PR4403, this will run from a 1.2V nicad.
|Thread starter||Similar threads||Forum||Replies||Date|
|C||Tri-colour led torch design||Homework Help||3|
|plasma torch||General Electronics Chat||3|
|MOSFET bridge rectifier for DIY shaking torch? || Decent plan for project?||Analog & Mixed-Signal Design||17|
|to get my rechargeable led torch running only from mains||General Electronics Chat||5|
|H||Blown emergency torch ( flashlight) induction charger.||General Electronics Chat||24|
by Robert Keim