Mar 5, 2010 #1 V vipul982 Junior Member level 3 Joined Feb 2, 2010 Messages 30 Helped 0 Reputation 0 Reaction score 2 Trophy points 1,288 Location India Activity points 1,465 Can anyone post a link or upload a circuit of a 3watt power led driver, which i can give a direct ac supply ie 220v without using a transformer..good portable ckt..
Can anyone post a link or upload a circuit of a 3watt power led driver, which i can give a direct ac supply ie 220v without using a transformer..good portable ckt..
Mar 6, 2010 #2 H hussong1555 Member level 1 Joined Jul 3, 2008 Messages 36 Helped 2 Reputation 4 Reaction score 0 Trophy points 1,286 Location USA Activity points 1,503 you can try a ZD832; unfortunately, it's only rated at 2.5W. If that doesn't work for you, check out this site: **broken link removed** hope this helps
you can try a ZD832; unfortunately, it's only rated at 2.5W. If that doesn't work for you, check out this site: **broken link removed** hope this helps
Mar 6, 2010 #3 betwixt Super Moderator Staff member Joined Jul 4, 2009 Messages 16,489 Helped 5,157 Reputation 10,347 Reaction score 5,207 Trophy points 1,393 Location Aberdyfi, West Wales, UK Activity points 139,503 Be careful, the NatSemi schematic doesn't look right to me. Brian.
May 13, 2010 #4 P pradeep.g.belchada Full Member level 6 Joined Sep 29, 2006 Messages 341 Helped 85 Reputation 170 Reaction score 85 Trophy points 1,308 Location MUMBAI INDIA Activity points 2,671 go for linkswitch from power integration