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Old March 18th, 2008, 09:06 PM   #16
Haggar
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Quote:
Originally Posted by General Lee View Post
Ever consider a buck converter?

I've designed circuits at work that power 22V worth of LEDs on 9V.

Admittedly, you don't get AS much current as something that has the voltage to back it up without the buck, but it's another thing to consider.
We never use them at work, because the cost can't be justified for what we do, until the OEMs change their specs. But I have 'free' pwm controllers onboard my designs, so we control intensity that way.

But, yes, for driving for hobbies, a DC/DC works well. technically, thats a boost, though, buck is knocking down the voltage....


I get to play with this stuff a lot more at work now. I just got named as our north american LED techincal expert for my company.
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