Jim Cathey wrote: > > > If you're dead set on LEDs... look into anything that uses Luxeon > > LEDs... I've played with a 3W one... was VERY bright. The datasheet > > says they output 70-80 lumens. You'd need a 12V to 3V supply though. > > They look fairly persnickety about what you feed them. Best to > be careful, I think they run them right on the ragged edge of death.
They do run right on the edge, that is why a constant current (not constant voltage) pwm supply is required. Might be interesting to see what the input voltage limit is on the typical Luxeon Star setup. Heatsinking is important too.
