Question

I learned that we use free-wheeling diode to prevent inductive(voltage) spike.

Why inductive spike(voltage spike) happens one way? I mean it happens only when drain voltage goes to high from low and doesn't happen when it goes low from high.

오후 9:56 6월 11일 (화) 500.0 1 5.00V/ 2 5.00V/ 0.0s 1 201V Auto Agilent Acquisition High Res 2.50MSa/s Gate drive waveform Channels 10.01 10.0.1 DC DC Measurements a Pk-Ph(1) MOSFET drain voltage 7,3V DC AMS-FSI1) 5.03V Freal 1) 1.0192kHz Ph-Pk(2) 39.7V 04:09 PM Aug 22, 2011 +14.8750V 10.01 +0.Ov Agilent Technologies DC 10.0 1 DC +12V da o M2N7000 (b)

Answer 1

The given problem has been explained with proper correction in the question. Please read carefully. If you face any doubt, please comment.

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