Data Sheet

©2000 Fairchild Semiconductor Corporation www.fairchildsemi.com
MOC8021M, MOC8050M Rev. 3.2 5
MOC8021M, MOC8050M — 6-Pin DIP Photodarlington Optocoupler (No Base Connection)
Typical Performance Curves
Figure 4. Normalized CTR vs. Forward Current
I
F
- FORWARD CURRENT (mA)
NORMALIZED C
TR – CURRENT TRANSFER RATIO
Figure 5. Normalized CTR vs. Ambient Temperature
NORMALIZED CTR – CURRENT
TRANSFER RATIO
T
A
- AMBIENT TEMPERATURE (°C)
I
F
- LED FORWARD CURRENT (mA)
V
F
- FORWARD VOLTAGE (V)
Figure 3. LED Forward Voltage vs. Forward Current
1.8
1.6
1.4
1.2
1.0
0.8
0.6
1.6
1.4
1.2
1.0
0.8
0.6
0.4
1
0.1
0.1 1 10 100
-40 -20 0 20 40 60 80 100 120
0.1 1 10 100
T
A
=25
o
C
T
A
=-40
o
C
T
A
= 110
o
C
V
CE
=10 V
T
A
=25
o
C
Normalized to I
F
=10mA
T
A
=-40
o
C
T
A
=0
o
C, 25
o
C
T
A
=7
0
o
C
T
A
=110
o
C
I
F
=10 mA
V
CE
=10 V
Normalized to T
A
=25
o
C
Figure 7. Turn-off Time vs. Forward Current
1000
100
10
1
V
CC
=10V
T
A
=25
o
C
R
L
=1K
Ω
R
L
= 100
Ω
R
L
=10
Ω
0123456789 10
0
2
4
6
8
10
12
14
16
T
A
=25
o
C
I
F
=1mA
I
F
=2mA
I
F
=5mA
I
F
=10mA
Normalized to:
I
F
=1mA,V
CE
=5V
Figure 8. Normalized Collector-Emitter Current
vs. Collector-Emitter Voltage
V
CE
- COLLECTOR-EMITTER VOLTAGE (V)
I
F
- FORWARD CURRENT (mA)
0 1 10 100
NORMALIZED I
CE
- COLLECOTR-EMITTER CURRENT
T
OFF
- TURN-ON TIME (μs)
Figure 6. Turn-on Time vs. Forward Current
V
CC
=10 V
T
A
=25
o
C
R
L
=1k
Ω
R
L
= 100
Ω
R
L
=10
Ω
I
F
- FORWARD CURRENT (mA)
T
ON
- TURN-ON TIME (μ
s)
0.1 1 10 100
0.1
1
10
100
1000