IRFR/U9024N
VDS
L
120
R
G
D .U .T
IA S
D R IV E R
0 .0 1
Ω
- V
V
DD
+
DD
A
E
AS
, Single Pulse Avalanche Energy (mJ)
100
- 20V
tp
ID
TOP
-3.0A
-4.2A
BOTTOM -6.6A
80
60
15V
40
Fig 12a.
Unclamped Inductive Test Circuit
I
AS
20
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
-10V
Q
GS
V
G
Q
GD
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
+
D.U.T.
-
V
DS