Quote:
Originally Posted by BrianG
All you need is a constant current source to keep the current at a certain value. The trouble might be finding a circuit that has a low enough drop out value so that most of the battery voltage is available at the output.
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Most of the LED drivers that I've found are for AC power.
I'm wondering what happens? As the LED heats up, does it draw more current? The more current it draws, the hotter it gets, until thermal runaway blows it?
I've been looking at this one:
http://cgi.ebay.com/LED-Driver-Circu...item35a7073873
It regulates output to 2.8/3.0 amps.