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FOD2711 Datasheet, PDF (5/15 Pages) Fairchild Semiconductor – optically isolated error amplifier
◁
OPTICALLY ISOLATED
ERROR AMPLIFIER
FOD2711
I(LED)
8
VF
6
V
7
VREF
5
2
3
V
I(LED)
8
2
R1
6
7
R2
VREF
5
3
VCOMP
FIG. 1. VREF, VF, ILED (min) TEST CIRCUIT
FIG. 2. ∆VREF/∆VCOMP TEST CIRCUIT
I(LED)
8
2
IREF
6
3
V
7
R1
5
FIG. 3. IREF TEST CIRCUIT
ICEO
8
2
VCE
6
3
7
5
I(OFF)
8
2
6
3
V(LED)
V
7
5
FIG. 4. I(OFF) TEST CIRCUIT
I(LED)
V
8
6
7
VREF
5
IC
2
VCE
3
VCOMP
FIG. 5. ICEO TEST CIRCUIT
© 2003 Fairchild Semiconductor Corporation
Page 5 of 15
FIG. 6. CTR, VCE(sat) TEST CIRCUIT
4/14/03
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