Data Sheet

©2006 Fairchild Semiconductor Corporation www.fairchildsemi.com
FODM121 Series, FODM124, FODM2701, FODM2705 Rev. 1.7 5
FODM121 Series, FODM124, FODM2701, FODM2705 — 4-Pin Full Pitch Mini-Flat Package Phototransistor Optocouplers
Typical Performance Curves
T
A
= 25°C unless otherwise specified.
Fig. 3 Forward Current vs. Forward Voltage
V
F
- Forward Voltage (V)
I
F
- Forward Current (mA)
V
CE(sat)
- Collector-Emitter Saturation Voltage(V)
CTR – Current Transfer Ratio (%)
0.6 0.8 1.0 1.2 1.4 1.6 1.8
1
10
100
T
A
= 110
o
C
70
o
C
25
o
C
0
o
C
-40
o
C
Fig. 4 Collector-Emitter Saturation Voltage vs.
Ambient Temperature (FODM121/2701/2705)
T
A
- Ambient Temperature (°C)
-40 -20 0 20 40 60 80 100 120
0.00
0.05
0.10
0.15
0.20
0.25
0.30
0.35
I
F
= 10mA
I
C
= 2mA
I
F
= 8mA
I
C
= 2.4mA
Fig. 5 Current Transfer Ratio vs. Forward Current
(FODM121/2701/2705)
I
F
- Forward Current (mA)
0.1 1 10 100
10
100
T
A
= 25
o
C
V
CE
= 5V
V
CE
= 10V
Fig. 6 Collector Current vs. Forward Current
(FODM121/2701/2705)
I
F
- Forward Current (mA)
0.1 1 10 100
0.1
1
10
100
T
A
= 25
o
C
V
CE
= 5V
V
CE
= 10V
Fig. 7 Collector Current vs. Ambient Temperature
(FODM121/2701/2705)
T
A
- Ambient Temperature (°C)
-40 -20 0 20 40 60 80 100 120
0.01
0.1
1
10
100
V
CE
= 5V
I
F
= 0.5mA
I
F
= 1mA
I
F
= 5mA
I
F
= 10mA
I
F
= 25mA
Fig. 8 Collector Current vs. Collector-Emitter
Voltage
(FODM121/2701/2705)
V
CE
- Collector-Emitter Voltage (V)
0246810
0
10
20
30
40
T
A
= 25
o
C
I
F
= 50mA
I
F
= 1mA
I
F
= 5mA
I
F
= 10mA
I
F
= 20mA
I
F
= 30mA
I
F
= 40mA
I
C
- Collector Current (mA)
I
C
- Collector Current (mA)
I
C
- Collector Current (mA)