High voltage (50v) step down regulator

Discussion in 'The Projects Forum' started by MattP, Oct 5, 2015.

  1. MattP

    Thread Starter Member

    May 21, 2012
    54
    2
    Does anyone know of a good reasonably efficient voltage step down regulator that can handle and input of at least 50v, and an output of around 48v?

    Really stuck here - trying to make a flicker free dimmer for my monitor (which uses PWM dimming). The LEDs need 50v at full brightness, so what I was hoping to do was put a regulator between the monitor's own LED driver (at full brightness so no PWM) to take advantage of its current limiting, and just use the regulator to reduce the voltage when I need a lower brightness. Sure, max brightness will be slightly lower, but it's too bright anyway so I can take that trade.

    I'm sure I can do it differently (using a CC step up regulator and a relay) but I'd just like to check before I look into that because this would be the easiest method.
     
  2. Bordodynov

    Active Member

    May 20, 2015
    638
    188
  3. MattP

    Thread Starter Member

    May 21, 2012
    54
    2
    I already tried that thanks, but I'm after something that's pre-built (like those cheap ones from eBay) as I don't have the skills to design my own.
     
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