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  1. R

    Zener minimum current

    The device I'm trying to control is a MeanWell LPF-40D-12 LED driver in a lighting fixture. The spec sheet does not specify the input impedance or current draw on the 10 DCV dimming signal circuit. So, before going much further I will apply 10V to the dimming control terminals and measure the...
  2. R

    Zener minimum current

    I have a remote control that puts out a 12V PWM signal. I want to use it to control an LED driver expecting a 10V PWM signal for dimming. I've done some reading and think that a 10V Zener diode regulator circuit could clip the 12V to 10V. I've not selected any particular diode yet, but have...
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