Data Sheet

©2006 Fairchild Semiconductor Corporation www.fairchildsemi.com
FOD852 Rev. 1.5 6
FOD852 — 4-Pin DIP Photodarlington Output Optocoupler
Typical Electrical/Optical Characteristic Curves (Continued)
T
A
= 25°C unless otherwise specified.
I
F
= 20 mA
I
C
= 100 mA
I
F
= 1 mA
V
CE
= 2 V
V
CE
= 2 V
I
C
= 20 mA
V
CE
= 200 V
V
CE
= 2V
I
C
= 2mA
R
L
=1kΩ
100Ω 10Ω
AMBIENT TEMPERATURE T
A
(°C)
RELATIVE CURRENT TRANSFER
RATIO (%)
Figure 9. Relative Current Transfer Ratio
vs. Ambient Temperature
AMBIENT TEMPERATURE T
A
(°C)
Figure 10. Collector-Emitter Saturation Voltage
vs. Ambient Temperature
COLLECTOR-EMITTER SATURATION
VOLTAGE V
CE
(sat) (V)
AMBIENT TEMPERATURE T
A
(°C)
Figure 11. Collector Dark Current
vs. Ambient Temperature
COLLECTOR DARK CURRENT I
CEO
(nA)
LOAD RESISTANCE R
L
(kΩ)
RESPONSE TIME (μs)
Figure 12. Response Time
vs. Load Resistance
FREQUENCY f (kHz)
VOLTAGE GAIN A
V
(dB)
Figure 13. Frequency Response
0
100
1.0
80604020
0.8
0.6
0.4
0.2
20
1.00
10040 60 80
0.90
0.80
0.70
0.60
0.50
0.40
0.30
0.20
1.10
1.20
10
1
10.1
1000
2
5
10
20
50
100
200
500
10080604020
10
1000
100
tr
tf
td
ts
-25
0
500
-5
-10
-15
-20
1001010.1