Datasheet

©2004 Fairchild Semiconductor Corporation www.fairchildsemi.com
FOD2743A, FOD2743B, FOD2743C Rev. 1.0.1 6
FOD2743A, FOD2743B, FOD2743C — Optically Isolated Error Amplifier
Test Circuits
I
(LED)
V
(LED)
V
COMP
V
COMP
I
CEO
V
CE
V
REF
V
CE
I
(LED)
V
F
V
REF
V
REF
17
6
7
6
V
V
V
2
4
3
I
(LED)
I
(LED)
I
C
I
(OFF)
I
REF
1
2
7
6
7
6
7
6
V
V
4
3
1
2
4
3
1
2
4
3
1
2
7
6
4
3
R1
1
2R1
R2
4
3
Figure 1. V
REF
, V
F,
I
LED
(min.) Test Circuit
Figure 3. I
REF
Test Circuit
Figure 5. I
CEO
Test Circuit Figure 6. CTR, V
CE(sat)
Test Circuit
Figure 4. I
(OFF)
Test Circuit
Figure 2. ∆V
REF /
∆V
COMP
Test Circuit