IRFP450A, SiHFP450A
Vishay Siliconix
Fig. 12c - Maximum Avalanche Energy vs. Drain Current
10 V
QGS
VG
QG
QGD
Charge
Fig. 13a - Basic Gate Charge Waveform
Fig. 12d - Typical Drain-to-Source Voltage vs.
Avalanche Current
Current regulator
Same type as D.U.T.
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
www.vishay.com
6
Document Number: 91230
S-81271-Rev. A, 16-Jun-08