H21L Datasheet, PDF (6/8 Pages) Fairchild Semiconductor – OPTOLOGIC OPTICAL INTERRUPTER SWITCH

Typical Performance Characteristics (Continued)
1.8
1.6
1.4
1.2
1.0
I_{F (ON)}
0.8
I_{F (OFF)}
0.6
Normalized to:
V_CC = 5 V
T_A = 25°C
I_{F (OFF)}
I_{F (ON)}
0.4
0.2
0.0
-40
-20
0
20
40
60
80
100
T_A - Ambient Temperature (˚C)
Figure 5. Normalized Threshold Current
vs. Ambient Temperature
100
T_A = 25°C
80
60
40
20
0
1.0
1.1
1.2
1.3
1.4
1.5
1.6
V_F - Forward Voltage (V)
Figure 6. Forward Current vs. Forward Voltage
1
V_CC = 5 V
T_A = 25°C
I_F = 10mA
0.1
0.01
1
10
I_O - Output Current (mA)
Figure 7. Low Output Voltage
vs. Output Current
5
V_CC = 5 V
R_L = 270Ω
4 ^{TA = 25°C}
I_F Pulsed
T = 10ms
Duty Cycle = 50%
3
2
1
T_PLH
T_PHL
0
0
5
10
15
20
I_F - Forward Current (mA)
Figure 8. Response Time vs. Forward Current
©2004 Fairchild Semiconductor Corporation
H21L Series Rev. 1.1.0
6
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