IRFR/U3709Z
15V
450
EAS , Single Pulse Avalanche Energy (mJ)
400
350
300
250
200
150
100
50
0
25
50
75
100
VDS
L
DRIVER
ID
TOP
6.6A
8.4A
BOTTOM 12A
RG
V
GS
20V
D.U.T
IAS
tp
+
V
- DD
A
0.01
Ω
Fig 12a.
Unclamped Inductive Test Circuit
V
(BR)DSS
tp
125
150
175
Starting T J , Junction Temperature (°C)
Fig 12c.
Maximum Avalanche Energy
vs. Drain Current
I
AS
L
D
V
DS
Fig 12b.
Unclamped Inductive Waveforms
+
V
DD
-
D.U.T
V
GS
Pulse Width < 1µs
Duty Factor < 0.1%
50KΩ
12V
.2µF
.3µF
Current Regulator
Same Type as D.U.T.
Fig 14a.
Switching Time Test Circuit
D.U.T.
+
V
-
DS
V
DS
90%
V
GS
3mA
10%
I
G
I
D
Current Sampling Resistors
V
GS
t
d(on)
t
r
t
d(off)
t
f
Fig 13.
Gate Charge Test Circuit
Fig 14b.
Switching Time Waveforms
6 / 11
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