PMP640 Test Data

The figure below is the loop gain of the flyback converter with a 48V input and a 12V/2A load. R15 was changed to 49.9 Ohms to inject a test signal. The Bandwidth is 7.6 KHz, the Phase Margin is 47 degrees, and the Gain Margin is 17 dB. The figure below is the loop gain of the flyback converter with a 24V input and a 12V/2A load. ................
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