H11B815 Datasheet, PDF (4/9 Pages) QT Optoelectronics – 4-PIN PHOTODARLINGTON OPTOCOUPLERS

4-PIN PHOTODARLINGTON
OPTOCOUPLER
H11B815
Typical Performance Curves
Fig. 1 Normalized Current Transfer Ratio
vs. Forward Current
1.4
V_CE = 2 V
NORMALIZED TO I_F = 1 mA
1.2
1.0
0.8
0.6
0.4
0.2
0.0
0.1
1
10
I_F - FORWARD CURRENT (mA)
Fig. 2 Normalized Current Transfer Ratio
vs. Ambient Temperature
1.2
1.0
0.8
0.6
0.4
0.2
I_F = 1 mA, V_CE = 2 V
NORMALIZED TO T_A = 25˚C
0.0
-55
-25
0
25
50
75
100
T_A - AMBIENT TEMPERATURE (˚C)
Fig. 3 Normalized Collector Current
vs. Collector Emitter Voltage
4.0
10 mA
3.5
3.0
5 mA
2.5
2.0
2 mA
1.5
1 mA
1.0
0.5
0.0
0
I_F = 0.5 mA
NORMALIZED TO I_F =1 mA, V_CE = 2 V
1
2
3
4
5
V_CE - COLLECTOR-EMITTER VOLTAGE (V)
100000
Fig. 4 Collector-Emitter Dark Current
vs. Ambient Temperature
10000 ^{VCE = 10 V}
1000
100
10
1
0.1
0
20
40
60
80
100
T_A - AMBIENT TEMPERATURE (˚C)
© 2002 Fairchild Semiconductor Corporation
Fig. 5 LED Forward Voltage vs. Forward Current
1.8
1.7
1.6
1.5
1.4
T_A = 55˚C
1.3
T_A = 25˚C
1.2
T_A = 100˚C
1.1
1.0
1
10
100
I_F - LED FORWARD CURRENT (mA)
Page 4 of 9
3/26/03