IRFR9214, IRFU9214, SiHFR9214, SiHFU9214
L
VDS
IAS
-
D.U.T.
IAS
RG
+ V
A
DD
Driver
- 20 V
0.01 Ω
tp
tp
15 V
VDS
Fig. 12a - Unclamped Inductive Test Circuit
Fig. 12b - Unclamped Inductive Waveforms
200
160
120
80
I
D
TOP
-1.3A
-1.8A
BOTTOM -2.8A
40
0
25
50
75
100
125
150
°
Starting T , Junction Temperature ( C)
J
Fig. 12c - Maximum Avalanche Energy vs. Drain Current
Current regulator
Same type as D.U.T.
50 kΩ
QG
- 10 V
12 V
0.2 µF
0.3 µF
-
QGS
QGD
V
+
DS
D.U.T.
VG
VGS
- 3 mA
Charge
IG
ID
Current sampling resistors
Fig. 13a - Basic Gate Charge Waveform
Fig. 13b - Gate Charge Test Circuit
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KERSEMI [ Kersemi Electronic Co., Ltd. ]
