IRFR/U3410PbF
250
200
150
100
50
ID
7.3A
13A
15V
TOP
BOTTOM 18A
DRIVER
+
L
V
DS
D.U.T
AS
R
G
V
DD
-
I
A
V
20V
GS
Ω
0.01
t
p
Fig 12a. Unclamped Inductive Test Circuit
V
(BR)DSS
0
t
p
25
50
75
100
125
150
175
Starting T , Junction Temperature (°C)
J
Fig 12c. Maximum Avalanche Energy
Vs. Drain Current
I
AS
Fig 12b. Unclamped Inductive Waveforms
Current Regulator
Same Type as D.U.T.
50KΩ
.2µF
12V
.3µF
Q
G
+
VGS
V
DS
D.U.T.
-
Q
Q
GD
GS
V
GS
V
G
3mA
I
I
D
G
Current Sampling Resistors
Charge
Fig 13b. Gate Charge Test Circuit
Fig 13a. Basic Gate Charge Waveform
6
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