IRFI840G, SiHFI840G
Vishay Siliconix
Fig. 12c - Maximum Avalanche Energy vs. Drain Current
Current regulator
Same type as D.U.T.
10 V
QGS
VG
QG
QGD
Charge
Fig. 13a - Basic Gate Charge Waveform
12 V
50 kΩ
0.2 µF
0.3 µF
D.U.T.
+
-VDS
VGS
3 mA
IG
ID
Current sampling resistors
Fig. 13b - Gate Charge Test Circuit
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Document Number: 91161
S-Pending-Rev. A, 23-Jun-08