> My goal is to be able to flash an LED string for a short duration at
> a higher brightness than its constant brightness. The idea is similar to
> a camera photo flash. The actual burst of light needs to be 1/60s
> (0.0167s), and the repeat rate won't be faster than 1/8s (0.125s)

Josh, this may or not be (very) relevant

I'm currently reading up on LED lamps, and this is one of the Cree
articles I looked at yesterday, dealing with failure mechanisms

http://www.cree.com/products/pdf/XLamp-Pulsed-Current.pdf

from this page

http://www.cree.com/products/xlamp7090_xre.asp

Joe
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