Datasheet

IRFR/U9120N
Fig 13b. Gate Charge Test Circuit
Fig 13a. Basic Gate Charge Waveform
Fig 12c. Maximum Avalanche Energy
Vs. Drain Current
Q
G
Q
GS
Q
GD
V
G
Charge
-10V
D.U.T.
V
DS
I
D
I
G
-3mA
V
GS
.3µF
50KΩ
.2µF
12V
Current Regulator
Same Type as D.U.T.
Current Sampling Resistors
+
-
Fig 12b. Unclamped Inductive Waveforms
Fig 12a. Unclamped Inductive Test Circuit
t
p
V
(
BR
)
DSS
I
AS
R
G
I
AS
0.01
Ω
t
p
D.U.T
L
V
DS
V
DD
DRIVER
A
15V
-20V
-
+
V
DD
25 50 75 100 125 150
0
50
100
150
200
250
Starting T , Junction Temperature( C)
E , Single Pulse Avalanche Energy (mJ)
J
AS
°
I
D
TOP
BOTTOM
-1.7A
-2.5A
-3.9A