IRFR/U3706CPbF
15V
E
AS
, Single Pulse Avalanche Energy (mJ)
500
TOP
400
VDS
L
DRIVER
BOTTOM
ID
12A
24A
28A
RG
20V
D.U.T
IAS
tp
+
V
- DD
300
A
0.01
Ω
200
Fig 12a.
Unclamped Inductive Test Circuit
100
V
(BR)DSS
tp
0
25
50
75
100
125
150
175
Starting T
J
, Junction Temperature (
°
C)
I
AS
Fig 12c.
Maximum Avalanche Energy
Vs. Drain Current
Fig 12b.
Unclamped Inductive Waveforms
Current Regulator
Same Type as D.U.T.
Q
G
50KΩ
12V
.2µF
.3µF
4.5 V
Q
GS
V
G
Q
GD
D.U.T.
V
GS
3mA
+
V
-
DS
Charge
I
G
I
D
Current Sampling Resistors
Fig 13a.
Basic Gate Charge Waveform
Fig 13b.
Gate Charge Test Circuit
6
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