IRFI9634G
VDS
L
RG
-20V
tp
D.U .T
IA S
0.01Ω
D R IV E R
VD D
A
15V
Fig 12a. Unclamped Inductive Test Circuit
IAS
600
ID
TO P
- 4 .1 A
-5.2A
500
BOTTOM -8.2A
400
300
200
100
0
A
25
50
75
100
125
150
Starting TJ , Junction Tem perature (°C)
Fig 12c. Maximum Avalanche Energy
Vs. Drain Current
tp
V(BR)DSS
Fig 12b. Unclamped Inductive Waveforms
-10V
QGS
VG
QG
QGD
Charge
Fig 13a. Basic Gate Charge Waveform
Current Regulator
Same Type as D.U.T.
50KΩ
12V
.2µF
.3µF
D.U.T.
-
+VDS
VGS
-3mA
IG
ID
Current Sampling Resistors
Fig 13b. Gate Charge Test Circuit