Other Parts Discussed in Thread: UCC28780
Hi,
I'm using UCC24612 in an active clamp flyback converter. Although it can still maintain a 19V output as I expect. But wrong switching condition occurs in light load, it will become steady as I increase above light load to heavy load.
What may be the main problem? I've laid the path of VD and VS as short as possible to the circuit. The Rds(on) of my secondary MOSFET is about 13m ohm from the datasheet.
Thanks!