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LM3404 DIM pin

Other Parts Discussed in Thread: LM3404

Hi

There is a DIM pin in the lm3404. This pin is use to adjust the intensity of the LEDs with a PWM from a microcontroller. But in my project I don't need it so what should I do? This pin is connected to a comparator and then a mosfet, should I put this pin to 2,2V to be sure that the intensity will be de maximum or to leave as an floating input?

 

Thank you