IRFR/U3303PbF
L
200
VDS
D.U.T.
RG
+
150
- VDD
10 V
IAS
tp
0.01Ω
100
Fig 12a. Unclamped Inductive Test Circuit
50
TOP
BOTTOM
ID
8.0A
11A
18A
V(BR)DSS
tp
VDD
VDS
IAS
Fig 12b. Unclamped Inductive Waveforms
QG
10 V
QGS
QGD
VG
Charge
Fig 13a. Basic Gate Charge Waveform
www.kersemi.com
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