Data Sheet

© Semiconductor Components Industries, LLC, 2010 www.onsemi.com
FOD8316 Rev. 2 20
FOD8316 — 2.5 A Output Current, IGBT Drive Optocoupler with Desaturation Detection and Isolated Fault Sensing
Test Circuits (Continued)
Figure 48. Common Mode High (CM
H
) Test Circuit @ LED2 Off
FOD8316
0.1 µF
0.1 µF
25 V
10nF
1 kΩ
10 Ω
5
V
300 pF
FOD8316
0.1 µF
0.1 µ
F
25 V
10 nF
1 kΩ
10
Ω
5 V
300 pF
1
2
3
4
5
6
7
8
V
IN+
V
IN–
V
DD1
GND1
RESET
FAULT
V
LED1+
V
LED1-
*
V
E
V
LED2+
DESAT
V
DD2
V
S
V
O
V
SS
V
SS
16
15
14
13
12
11
10
9
FOD8316
V
CM
Floating GND
0.1 µF
0.1 µF
25 V
10 nF
1 kΩ
10 Ω
5 V
300 pF
SCOPE
1
2
3
4
5
6
7
8
V
IN+
V
IN–
V
DD1
GND1
RESET
FAULT
V
LED1+
V
LED1-
*
V
E
V
LED2+
DESAT
V
DD2
V
S
V
O
V
SS
V
SS
16
15
14
13
12
11
10
9
FOD8316
V
CM
Floating GND
0.1 µF
0.1 µF
25 V
10 nF
1 kΩ
10 Ω
750 Ω
5 V
300 pF
SCOPE
9 V
+
–
Figure 49. Common Mode Low (CM
L
) Test Circuit @ LED2 On