Test Circuits and Waveforms
di/dt adj.
Double Pulse
D.U.T.
ID
Current
Pump
L
di/dt = 100A/µA
ID
VDD
Qrr
trr
Figure 21. Diode Reverse Recovery Test Circuit
Figure 22. Diode Reverse Recovery Waveform
BVDSS
Series Switch
(MOSFET)
L
IAS
BVDSS
D.U.T.
Commutating
Diode
VDD VDD
0
VGS
50Ω
IAS
VGS
tAV
tp
E AS
=
I AS 2 L
2
Figure 23. Unclamped Inductive Switching Test Circuit
Figure 24. Unclamped Inductive Switching Waveforms
©2006 InPower Semiconductor Co., Ltd.
FTP04N65/FTA04N65 REV. A. April. 2006
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