AN1889 Datasheet, PDF (28/33 Pages) STMicroelectronics – The need to choose a high value of the fly-back voltage

Experimental results
Figure 18. Turn-off behavior
AN1889
Figure 19. Turn-off losses
In the following figures while reporting again the steady state waveforms at both minimum
and maximum input voltages, the voltage drop on the secondary side of the current
transformer has been added (curves labeled 3 in the waveforms reported in figures 20 and
21)
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