FOD817 Datasheet, PDF (4/9 Pages) Fairchild Semiconductor – 4-PIN PHOTOTRANSISTOR OPTOCOUPLERS

4-PIN PHOTOTRANSISTOR
OPTOCOUPLERS
FOD817 Series
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 = 5V
100
50
0
-30
0
25 50 75 100
AMBIENT TEMPERATURE TA (°C)
Fig. 8 Collector-Emitter Saturation Voltage
vs. Ambient Temperature
0.16
0.14
I_F = 20mA
I_C = 1mA
0.12
0.10
0.08
0.06
0.04
0.02
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 = 2mA}
100 ^{Ta = 25°C}
50
tr
20
tf
10
td
5
2
ts
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
0
Ta = 25°C
Test Circuit for Response Time
10
R_L=10kΩ 1kΩ 100Ω
20
0.5 1 2 5 10 20 50 100 500
FREQUENCY f (kHz)
Test Circuit for Frequency Response
© 2004 Fairchild Semiconductor Corporation
Page 4 of 9
8/19/04