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FOD2743A Datasheet, PDF (5/15 Pages) Fairchild Semiconductor – OPTICALLY ISOLATED ERROR AMPLIFIER
◁
OPTICALLY ISOLATED
ERROR AMPLIFIER
FOD2743A
FOD2743B
FOD2743C
I(LED)
1
VF
2
V
4
VREF
3
7
6
V
I(LED)
1
7
R1
2
4
R2
VREF
3
6
VCOMP
FIG. 1. VREF, VF, ILED (min) TEST CIRCUIT
FIG. 2. ∆VREF/∆VCOMP TEST CIRCUIT
I(LED)
1
7
IREF
2
6
V
4
R1
3
FIG. 3. IREF TEST CIRCUIT
ICEO
1
7
VCE
2
6
4
3
I(OFF)
1
7
2
6
V(LED)
V
4
3
FIG. 4. I(OFF) TEST CIRCUIT
I(LED)
V
1
2
4
VREF
3
IC
7
VCE
6
VCOMP
FIG. 5. ICEO TEST CIRCUIT
© 2004 Fairchild Semiconductor Corporation
Page 5 of 15
FIG. 6. CTR, VCE(sat) TEST CIRCUIT
4/8/04
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