IRL3803
1500
V
DS
D.U.T.
R
G
+
V
-
DD
4.5 V
E
A S
, S ingle Pulse Avalanc he E nergy (m J)
L
TOP
1200
B O TT O M
I
D
29 A
5 0A
71 A
I
AS
t
p
0.01Ω
900
600
Fig 12a.
Unclamped Inductive Test Circuit
300
V
(BR)DSS
t
p
V
DD
V
DS
0
V
D D
= 15 V
25
50
75
100
125
150
A
175
S tarting T
J
, J unc tion T em perature (°C )
Fig 12c.
Maximum Avalanche Energy
Vs. Drain Current
I
AS
Fig 12b.
Unclamped Inductive Waveforms
Current Regulator
Same Type as D.U.T.
50KΩ
Q
G
12V
.2µF
.3µF
4.5 V
Q
GS
V
G
Q
GD
V
GS
3mA
D.U.T.
+
V
-
DS
Charge
I
G
I
D
Current Sampling Resistors
Fig 13a.
Basic Gate Charge Waveform
Fig 13b.
Gate Charge Test Circuit
6/8
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