parachutes30
Junior Member level 1
PWM dimming frequency is 200Hz.
I change duty cycle from 10% to 1% with 10 steps equally separated, such as 10%, 9%, 8%,.....1%, within 3s.
It looks flickering in the run, maybe especially at the middle of this run.
What may happen? jitter of duty cycle, or overshoot of current in LED?
I change duty cycle from 10% to 1% with 10 steps equally separated, such as 10%, 9%, 8%,.....1%, within 3s.
It looks flickering in the run, maybe especially at the middle of this run.
What may happen? jitter of duty cycle, or overshoot of current in LED?