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Buck Converter Containing an IGBT with Tail Current

This buck converter uses the dynamic IGBT model that expresses a finite fall time during turn-off and limited di/dt during turn-on. Since the current is not turned off instantaneously, this IGBT model may be connected in series with a stray inductance.

The simulation shows the overvoltages that stem from the stray inductances and the reverse recovery of the free-wheeling diode.

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