Datasheet

Document Number: 83526 For technical questions, contact: [e-mail]
www.vishay.com
Rev. 1.9, 20-Oct-09 5
CNY74-2H, CNY74-4H
Optocoupler, Phototransistor Output
(Multichannel)
Vishay Semiconductors
Fig. 10 - Collector Emitter Leakage Current vs.Temperature
Fig. 11 - Normalized CTR
cb
vs. LED Current and Temperature
Fig. 12 - Collector Base Photocurrent vs. LED Current
Fig. 13 - Normalized Photocurrent vs. I
F
and Temperature
Fig. 14 - Normalized Non-Saturated h
FE
vs. Base Current and
Temperature
Fig. 15 - Normalized Saturated h
FE
vs. Base Current and
Temperature
iil74_07
100806040200- 20
10
10
10
10
10
10
10
10
-2
-1
0
1
2
3
4
5
T
A
- Ambient Temperature (°C)
I
CEO
- Collector Emitter (nA)
V
CE
= 10 V
Typical
iil74_08
0.1 1 10 100
0.0
0.5
1.0
1.5
25 °C
50 °C
70 °C
I
F
- Current (mA)
N
CTRcb
- Normalized CTRcb
I
F
= 10 mA
V
cb
= 9.3 V
T
A
= 25 °C
Normalized to:
iil74_09
100
1010.1
0.01
0.1
1
10
100
1000
I
F
- LED Current (mA)
I
cb
- Collector Base
Photocurrent (µA)
I
cb
= 1.0357 * I
F
^ 1.3631
T
A
= 25 °C
iil74_10
100
10
1
0.1
0.01
0.1
1
10
I
F
- LED Current (mA)
Normalized Photcurrent
Normalized to:
I
F
= 10 mA, T
A
= 25 °C
NIb, T
A
= - 20 °C
NIb, T
A
= 25 °C
NIb, T
A
= 50 °C
NIb, T
A
= 70 °C
iil74_11
1 10 100 1000
0.4
0.6
0.8
1.0
1.2
I
b
- Base Current (µA)
Nh
FE
- Normalized (h
FE
)
I
b
= 20 µA
V
CE
= 10 V
T
a
= 25 °C
- 20 °C
25 °C
50 °C
70 °C
Normalized to:
iil74_12
0.0
0.5
1.0
1.5
25 °C
- 20 °C
50 °C
70 °C
Nh
FE(sat)
- Normalized Saturated h
FE
1 10 100 1000
V
CE
= 0.4 V
I
b
- Base Current (µA)
Normalized to:
V
CE
= 10 V
I
B
= 20 µA
T
A
= 25 °C