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  1. mtripoli

    LEDs turning off causes EMC problem?

    I agree with Dan; this is a very simple project that has gotten way out of hand. I have never in my life heard of turning things off by "shorting them out". Goofy question maybe, but did you guys start with a "specification"?
  2. mtripoli

    LEDs turning off causes EMC problem?

    I'm jumping in here late, but why are you doing this this way? There are many, many much easier ways of doing this. An led driver IC and a microcontroller (after your SMPS) is a much easier way to go. Check out the TI part TLC5917 for an led driver. An offline switcher like the "Viper" series...

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