Data Sheet

©2004 Fairchild Semiconductor Corporation www.fairchildsemi.com
FOD2741A, FOD2741B, FOD2741C Rev. 1.0.1 7
FOD2741A, FOD2741B, FOD2741C — Optically Isolated Error Amplifier
Test Circuits (Continued)
6
7
8
5
1
4
2
A
B
3
6
5
7
8
2
3
4
1
V
CC
= +5V DC
V
CC
= +5V DC
I
F
= 1mA
I
F
= 0mA (A)
I
F
= 1mA (B)
V
IN
0.47V
0.1 V
PP
47Ω
V
OUT
V
OUT
VCM
10V
P-P
R1
2.2kΩ
R
L
1µF
+
_
Figure 7. Frequency Response Test Circuit.
Figure 8. CMH and CML Test Circuit