CNY171M Datasheet, PDF (6/10 Pages) Fairchild Semiconductor – Phototransistor Optocouplers

Typical Performance Characteristics (Continued)
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
10
Fig. 7 Normalized t_off vs. R_BE
V_{CC =} 10V
I_C = 2mA
R_L = 100Ω
100
1000
10000
R_BE – BASE RESISTANCE (k Ω)
100000
Fig. 8 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)
Fig. 9 Collector-Emitter Saturation Voltage vs Collector Current
100
T_A = 25˚C
10
1
I_F = 2.5mA
0.1
0.01
I_F = 5mA
I_F = 10mA
I_F = 20mA
0.001
0.01
0.1
1
10
I_C - COLLECTOR CURRENT (mA)
IF
INPUT
VCC
RL
IC
OUTPUT (V_CE)
Figure 10. Switching Time Test Circuit
INPUT PULSE
10%
90%
t_d
t_r
t_on
OUTPUT PULSE
t_s
t_f
t_off
Figure 11. Switching Time Waveforms
©2006 Fairchild Semiconductor Corporation
CYN17XM, CNY17FXM, MOC810XM Rev. 1.0.7
6
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