Datasheet

©2002 Fairchild Semiconductor Corporation FDB3682 / FDP3682 Rev. B
FDB3682 / FDP3682
Test Circuits and Waveforms
Figure 15. Unclamped Energy Test Circuit Figure 16. Unclamped Energy Waveforms
Figure 17. Gate Charge Test Circuit Figure 18. Gate Charge Waveforms
Figure 19. Switching Time Test Circuit Figure 20. Switching Time Waveforms
t
P
V
GS
0.01Ω
L
I
AS
+
-
V
DS
V
DD
R
G
DUT
VARY t
P
TO OBTAIN
REQUIRED PEAK I
AS
0V
V
DD
V
DS
BV
DSS
t
P
I
AS
t
AV
0
V
GS
+
-
V
DS
V
DD
DUT
I
g(REF)
L
V
DD
Q
g(TH)
V
GS
= 2V
Q
g(TOT)
V
GS
= 10V
V
DS
V
GS
I
g(REF)
0
0
Q
gs
Q
gd
Q
gs2
V
GS
R
L
R
GS
DUT
+
-
V
DD
V
DS
V
GS
t
ON
t
d(ON)
t
r
90%
10%
V
DS
90%
10%
t
f
t
d(OFF)
t
OFF
90%
50%50%
10%
PULSE WIDTH
V
GS
0
0