IRFM240
15V
VDS
L
D R IV E R
RG
10 V
tp
D.U .T.
IA S
0.01Ω
+
- VDD
Fig 12a. Unclamped Inductive Test Circuit
V (B R )D S S
tp
Fig 12c. Maximum Avalanche Energy
Vs. Drain Current
IAS
Fig 12b. Unclamped Inductive Waveforms
QG
10 V
QGS
QGD
VG
Charge
Fig 13a. Basic Gate Charge Waveform
6
Current Regulator
Same Type as D.U.T.
50KΩ
10 V
.2µF
.3µF
+
D.U.T. -VDS
VGS
3mA
IG
ID
Current Sampling Resistors
Fig 13b. Gate Charge Test Circuit
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