FOD2742BR2 Datasheet, PDF (8/16 Pages) Fairchild Semiconductor – Optically Isolated Error Amplifier

Typical Performance Curves
Fig. 9a LED Current vs. Cathode Voltage
15
TA = 25°C
VCOMP = VFB
10
5
0
-5
-10
-15
-1
0
1
2
3
VCOMP – CATHODE VOLTAGE (V)
2.510
2.508
Fig. 10 Reference Voltage vs. Ambient Temperature
ILED = 10mA
2.506
2.504
2.502
2.500
2.498
2.496
2.494
2.492
2.490
-40
-20
0
20
40
60
80
100
TA – AMBIENT TEMPERATURE (°C)
Fig. 12 Off-State Current vs. Ambient Temperature
VLED = 37V
100
10
1
-40
-20
0
20
40
60
80
100
TA – AMBIENT TEMPERATURE (°C)
Fig. 9b LED Current vs. Cathode Voltage
1.0
TA = 25°C
VCOMP = VFB
0.5
0.0
-0.5
-1.0
-1
0
1
2
3
VCOMP – CATHODE VOLTAGE (V)
Fig. 11 Reference Current vs Ambient Temperature
ILED = 10mA
R1 = 10kΩ
3
2
-40
-20
0
20
40
60
80
100
TA – AMBIENT TEMPERATURE(°C)
Fig. 13 Forward Current vs. Forward Voltage
20
15
10
25°C
70°C
0°C
5
0.9
1.0
1.1
1.2
1.3
1.4
VF – FORWARD VOLTAGE (V)
©2003 Fairchild Semiconductor Corporation
FOD2742A, FOD2742B, FOD2742C Rev. 1.0.1
8
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