Other Parts Discussed in Thread: UCC28780
Dear support member,
I used UCC28780EVM-021.
I measured about waveform SW, Highside Gate, Lowside Gate, ILr.
I have a question.
(Wave form)
At 90Vac, ILr rose from 0A when Q4(Lowside) Gate rose.
At 264Vac, the rise of Q4(Lowside) Gate and the timing of ILr was changed.
ILr did not rose from 0A.
(Question)
Why is the timing change of 264Vac?
Best regard.
Bob Lee.