On 12/8/05, Spehro Pefhany wrote: > At 12:51 AM 12/9/2005 +1300, Russell wrote: > >An excellent ideas starter. > > > > > >Provides circuit outline ideas for numerous LED applications ranging from > >offline cap supply with LM317 (!) through dedicated switching based designs. > > > > http://www.onsemi.com/pub/Collateral/BRD8034-D.PDF > > > >Note on page 12 the extremely novel manner in which they parallel 5 LEDs :-) ! Indeed, very "novel"! > The off-line circuit on page 5 looks a bit dubious too. Oh they forget to connect the ground. Apparently they forget to check this before publishing it to the web. Regards, Xiaofan -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist