FOD816 Datasheet, PDF (4/9 Pages) Fairchild Semiconductor – 4-Pin Phototransistor Optocouplers

Typical Electrical/Optical Characteristic Curves (T_A = 25°C Unless otherwise specified.)
Fig. 7. Relative Current Transfer Ratio
vs. Ambient Temperature
150
I_F = 5mA
V_CE = 2V
Fig. 8 Collector-Emitter Saturation Voltage
vs. Ambient Temperature
I_F = 20mA
1.0
I_C = 5mA
0.8
100
0.6
50
0.4
0.2
0
-30
0
25 50 75 100
AMBIENT TEMPERATURE TA (°C)
0
-25
0
25 50
75 100
AMBIENT TEMPERATURE TA (°C)
Fig. 9 Collector Dark Current
vs. Ambient Temperature
10^-5
V_CE = 20V
10^-6
10^-7
10^-8
10^-9
10^-10
10^-11
-25
0
25 50
75 100
AMBIENT TEMPERATURE TA (°C)
Fig. 10. Response Time
vs. Load Resistance
500
V_CE = 2V
200 _{IC = 10mA}
tr
100 ^{Ta = 25°C}
tf
50
20
td
10
5
ts
2
1
0.5
0.2
0.05
0.1 0.2 0.5 1 2
5 10
LOAD RESISTANCE RL (kΩ)
Fig. 11. Frequency Response
V_CE = 2V
I_C = 2mA
Ta = 25°C
0
-10
R_L=10kΩ 1kΩ 100Ω
-20
0.02 0.1
1
10
100
FREQUENCY f (kHz)
Test Circuit for Response Time
RD
Input
Vcc
RL
Input
Output
Output
td
ts
tr
Test Circuit for Frequency Response
Vcc
RD
RL
Output
10%
90%
tf
4
FOD816 Series Rev. 1.0.3
www.fairchildsemi.com