IRFR/U9214PbF
VDS
L
RG
-20V
tp
D.U.T
IAS
0.01Ω
DRIVER
-+VVDDDD
A
15V
Fig 12a. Unclamped Inductive Test Circuit
IAS
tp
V(BR)DSS
Fig 12b. Unclamped Inductive Waveforms
-10V
QGS
VG
QG
QGD
Charge
Fig 13a. Basic Gate Charge Waveform
200
ID
TOP
-1.3A
-1.8A
160
BOTTOM -2.8A
120
80
40
0
25
50
75
100
125
150
Starting TJ , Junction Temperature ( °C)
Fig 12c. Maximum Avalanche Energy
Vs. Drain Current
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