IRFR/U5410
L
V
DS
500
400
300
200
100
0
I
D
TOP
-3.5A
-4.9A
BOTTOM -7.8A
D.U.T
AS
-
+
R
G
V
V
DD
DD
A
I
DRIVER
-20V
0.01
Ω
t
p
15V
Fig 12a. Unclamped Inductive Test Circuit
I
AS
25
50
75
100
125
150
°
Starting T , Junction Temperature ( C)
J
Fig 12c. Maximum Avalanche Energy
Vs. Drain Current
t
p
V
(BR)DSS
Fig 12b. Unclamped Inductive Waveforms
Current Regulator
Same Type as D.U.T.
50KΩ
Q
G
.2µF
12V
.3µF
-10V
-
V
+
DS
Q
Q
GD
GS
D.U.T.
V
GS
V
G
-3mA
I
I
D
G
Charge
Current Sampling Resistors
Fig 13b. Gate Charge Test Circuit
Fig 13a. Basic Gate Charge Waveform
6 / 10
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KERSEMI [ Kersemi Electronic Co., Ltd. ]
