IRF1404
15V
1500
VDS
L
DRIVER
RG
20V
tp
D.U.T
IAS
0.01Ω
+
- VDD
A
Fig 12a. Unclamped Inductive Test Circuit
V(BR)DSS
tp
1200
900
600
300
ID
TOP
49A
101A
BOTTOM 121A
IAS
Fig 12b. Unclamped Inductive Waveforms
QG
10 V
QGS
QGD
VG
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
0
25
50
75 100 125 150 175
Starting TJ , Junction Temperature (° C)
Fig 12c. Maximum Avalanche Energy
Vs. Drain Current
4.0
3.0
ID = -250µA
2.0
1.0
-75 -50 -25 0 25 50 75 100 125 150
TJ , Temperature ( °C )
Fig 14. Threshold Voltage Vs. Temperature
6/9
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