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2149 Views 1 Reply Latest reply: Jul 22, 2014 9:01 AM by Rick RSS
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Jul 21, 2014 9:51 PM

Problems with Inductor Humming in a Buck Regulator

Hello everyone,

I just have a quick question. I have a Buck Regulator to drive a string of LEDs and everything seems to be in order except that the inductor is making a noise. When I increase the brightness the noise also increases, and accordingle, it also decreases when i decrease the light.

What could be the possible reason for this?

 

Thanks!

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