IRFBC40AS
E
AS
, Single Pulse Avalanche Energy (mJ)
1 5V
1400
TOP
BOTTOM
1200
VDS
L
D R IV E R
ID
2.8A
3.9A
6.2A
1000
RG
20V
tp
D .U .T
IA
S
+
V
- DD
800
A
0 .0 1
Ω
600
Fig 12a.
Unclamped Inductive Test Circuit
V
(B R )D SS
tp
400
200
0
25
50
75
100
125
150
Starting T
J
, Junction Temperature (
°
C)
I
AS
Fig 12b.
Unclamped Inductive Waveforms
Q
G
Fig 12c.
Maximum Avalanche Energy
Vs. Drain Current
820
10 V
Q
GS
V
G
Q
GD
V DSav , Avalanche Voltage ( V )
800
780
Charge
Fig 13a.
Basic Gate Charge Waveform
Current Regulator
Same Type as D.U.T.
760
50KΩ
12V
.2µF
.3µF
740
D.U.T.
V
GS
3mA
+
V
-
DS
720
0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
IAV , Avalanche Current ( A)
I
G
I
D
Current Sampling Resistors
Fig 13b.
Gate Charge Test Circuit
Fig 12d.
Typical Drain-to-Source Voltage
Vs. Avalanche Current
6
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