CNY171M Datasheet, PDF (5/10 Pages) Fairchild Semiconductor – Phototransistor Optocouplers

Typical Performance Characteristics
Fig. 1 Normalized CTR vs. Forward Current
1.6
V_CE = 5.0V
T_A = 25˚C
1.4
Normalized to
I_F = 10mA
1.2
1.0
0.8
0.6
0.4
0.2
0.0
0
2
4
6
8 10 12 14 16 18 20
I_F – FORWARD CURRENT (mA)
Fig. 2 Normalized CTR vs. Ambient Temperature
1.4
1.2
I_F = 5mA
1.0
I_F = 10mA
0.8
0.6
I_F = 20mA
0.4
Normalized to:
I_F = 10mA
T_A = 25˚C
0.2
-60
-40
-20
0
20
40
60
80
100
T_A – AMBIENT TEMPERATURE (˚C)
Fig. 3 CTR vs. RBE (Unsaturated)
1.0
0.9
I_F = 20mA
0.8
I_F = 10mA
0.7
I_F = 5mA
0.6
0.5
0.4
0.3
0.2
V_CE = 5.0V
0.1
0.0
10
100
R_BE – BASE RESISTANCE (kΩ)
1000
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
10
Fig. 5 Switching Speed vs. Load Resistor
1000
I_F = 10mA
V_CC = 10V
T_A = 25˚C
100
T_f
T_off
10
T_on
1
T_r
0.1
0.1
1
10
100
R – LOAD RESISTOR (kΩ)
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
10
©2006 Fairchild Semiconductor Corporation
CYN17XM, CNY17FXM, MOC810XM Rev. 1.0.7
5
Fig. 4 CTR vs. RBE (Saturated)
I_F = 20mA
V_CE = 0.3V
I_F = 10mA
I_F = 5mA
100
1000
R_BE – BASE RESISTANCE (kΩ)
Fig. 6 Normalized t_on vs. R_BE
V_{CC =} 10V
I_C = 2mA
R_L = 100Ω
100
1000
10000
R_BE – BASE RESISTANCE (kΩ)
100000
www.fairchildsemi.com