IRFR/U5410
VDS
L
500
D.U.T
IAS
R
G
- V
V
DD
+
DD
A
DRIVER
E
AS
, Single Pulse Avalanche Energy (mJ)
400
ID
TOP
-3.5A
-4.9A
BOTTOM -7.8A
-20V
tp
0.01
Ω
300
15V
200
Fig 12a.
Unclamped Inductive Test Circuit
I
AS
100
0
25
50
75
100
125
150
Starting T
J
, Junction Temperature (
°
C)
tp
V
(BR)DSS
Fig 12c.
Maximum Avalanche Energy
Vs. Drain Current
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
6 / 10
www.freescale.net.cn
+
Q
GS
Q
GD
D.U.T.
-
-10V
V
DS