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FOD2741A_08 Datasheet, PDF (6/15 Pages) Fairchild Semiconductor – Optically Isolated Error Amplifier
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Test Circuits
I(LED)
V
8
VF
6
7
VREF
5
2
3
V
Figure 1. VREF, VF, ILED (min.) Test Circuit
I(LED)
8
2
R1
6
7
R2
VREF
5
3
VCOMP
Figure 2. ∆VREF / ∆VCOMP Test Circuit
I(LED)
8
2
IREF
6
3
V
7
R1
5
Figure 3. IREF Test Circuit
ICEO
8
2
VCE
6
3
7
5
Figure 5. ICEO Test Circuit
I(OFF)
8
2
6
3
V(LED)
V
7
5
Figure 4. I(OFF) Test Circuit
I(LED)
V
8
6
7
VREF
5
IC
2
VCE
3
VCOMP
Figure 6. CTR, VCE(sat) Test Circuit
©2004 Fairchild Semiconductor Corporation
FOD2741A, FOD2741B, FOD2741C Rev. 1.0.1
6
www.fairchildsemi.com
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