Data Sheet

www.onsemi.com
6
FDD8880
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
VA
RY t
P
T
O OBTAIN
REQUIRED PEAK I
AS
0V
V
DD
V
DS
BV
DS
S
t
P
I
AS
t
AV
0
V
GS
+
-
V
DS
V
DD
DU
T
I
g(R
EF)
L
V
DD
Q
g(T
H)
V
GS
= 1V
Q
gs
2
Q
g(
TOT)
V
GS
= 1
0V
V
DS
V
GS
I
g(R
EF)
0
0
Q
gs
Q
gd
Q
g(
5)
V
GS
= 5V
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
OF
F
90%
50
%
50%
10%
PULSE WIDTH
V
GS
0
0