IRF4905PbF
E
AS
, Single Pulse Avalanche Energy (mJ)
VDS
L
2500
TOP
2000
R
G
D.U.T
IAS
-20V
DRIVER
0.01
Ω
VDD
A
BOTTOM
I
D
-16A
-27A
-38A
tp
1500
15V
1000
Fig 12a.
Unclamped Inductive Test Circuit
500
0
25
50
75
100
125
150
A
175
I
AS
Starting T
J
, Junction Temperature (°C)
Fig 12c.
Maximum Avalanche Energy
Vs. Drain Current
tp
V
(BR)DSS
Fig 12b.
Unclamped Inductive Waveforms
Current Regulator
Same Type as D.U.T.
50KΩ
Q
G
12V
.2µF
.3µF
V
G
V
GS
-3mA
Charge
I
G
I
D
Current Sampling Resistors
Fig 13a.
Basic Gate Charge Waveform
Fig 13b.
Gate Charge Test Circuit
+
Q
GS
Q
GD
D.U.T.
-
-10V
V
DS