IRFR/U2405
1 5V
240
E
AS
, Single Pulse Avalanche Energy (mJ)
TOP
200
VDS
L
D R IV E R
BOTTOM
ID
14A
24A
34A
160
RG
20V
tp
D .U .T
IA
S
+
V
- DD
A
120
0 .0 1
Ω
Fig 12a.
Unclamped Inductive Test Circuit
80
40
V
(B R )D SS
tp
0
25
50
75
100
125
150
175
Starting T
J
, Junction Temperature (
°
C)
Fig 12c.
Maximum Avalanche Energy
Vs. Drain Current
I
AS
Fig 12b.
Unclamped Inductive Waveforms
Q
G
Q
GS
V
G
Q
GD
12V
Current Regulator
Same Type as D.U.T.
50KΩ
.2µF
.3µF
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 / 10
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