FOD2711_08 Datasheet, PDF (8/15 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
-0.5
0.0
0.5
1.0
1.5
V_COMP – CATHODE VOLTAGE (V)
Fig. 9b LED Current vs. Cathode Voltage
150
100
TA = 25°C
VCOMP = VFB
50
0
-50
-100
-150
-1
0
1
2
V_COMP – CATHODE VOLTAGE (V)
Fig. 10 Reference Voltage vs. Ambient Temperature
1.244
I_LED = 10mA
1.242
1.240
1.238
1.236
1.234
1.232
1.230
-40
-20
0
20
40
60
80
100
T_A – AMBIENT TEMPERATURE (°C)
Fig. 11 Reference Current vs. Ambient Temperature
280
I_LED = 10mA
260 ^{R1 = 10 kΩ}
240
220
200
180
160
140
120
-40
-20
0
20
40
60
80
100
T_A – AMBIENT TEMPERATURE (°C)
Fig. 12 Off-State Current vs. Ambient Temperature
1000 ^{VCC = 13.2V}
100
10
1
0.1
-40
-20
0
20
40
60
80
100
T_A – AMBIENT TEMPERATURE (°C)
Fig. 13 Forward Current vs. Forward Voltage
20
15
25°C
10
70°C
0°C
5
0.9
1.0
1.1
1.2
1.3
1.4
V_F – FORWARD VOLTAGE (V)
©2003 Fairchild Semiconductor Corporation
FOD2711 Rev. 1.0.1
8
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