15V
VDS
L
RG
20V
tp
D.U.T
IAS
0.01Ω
DRIVER
+
- VDD
A
Fig 12a. Unclamped Inductive Test Circuit
V(BR)DSS
tp
IAS
Fig 12b. Unclamped Inductive Waveforms
QG
VGS
QGS
QGD
VG
Charge
Fig 13a. Basic Gate Charge Waveform
AUIRFZ44N
300
ID
TOP
10A
18A
240
BOTTOM 25A
180
120
60
0
25
50
75 100 125 150 175
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
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