I made a 27V 1.3A power using PI EXPERT.
The drain waveform was taken during the test with increasing load.
The switching frequency gradually increases and does not go up at 34 kHz. Increasing the load in that state will automatically restart.
According to the power meter, the frequency no longer increases.
10 W at 0.47 uF, 14 W at 4.7 uF
trans EE28 core.
What should I see?