Data Sheet

©2006 Fairchild Semiconductor Corporation www.fairchildsemi.com
FODM121 Series, FODM124, FODM2701, FODM2705 Rev. 1.7 7
FODM121 Series, FODM124, FODM2701, FODM2705 — 4-Pin Full Pitch Mini-Flat Package Phototransistor Optocouplers
Typical Performance Curves (Continued)
T
A
= 25°C unless otherwise specified.
CTR – Normalized Current Transfer Ratio (%)
Switching Time (μs)
I
C
- Collector Current (mA)
I
CEO
- Collector Dark Current (nA)
I
C
- Collector Current (mA)
Fig 1 5 . Collector Current vs. Ambient Temperature
(FODM124)
T
A
- Ambient Temperature (°C)
-40 -20 0 20 40 60 80 100 120
0.1
1
10
V
CE
= 0.5V
I
F
= 0.5mA
I
F
= 1mA
I
F
= 5mA
I
F
= 10mA
I
F
= 2mA
Fig. 16 Collector Current vs. Collector-Emitter Voltage
(FODM124)
V
CE
- Collector-Emitter Voltage (V)
0.0 0.2 0.4 0.6 0.8 1.0
0
2
4
6
8
10
T
A
= 25
o
C
I
F
= 0.5mA
I
F
= 1mA
I
F
= 5mA
I
F
= 10mA
I
F
= 2mA
Fig. 17 Collector Dark Current vs. Ambient
Temperature
(FODM124)
T
A
- Ambient Temperature (°C)
-40 -20 0 20 40 60 80 100 120
0.1
1
10
100
1000
10000
V
CE
= 40V
Fig. 18 Normalized Current Transfer Ratio vs.
Ambient Temperature
(FODM124)
T
A
- Ambient Temperature (°C)
-40 -20 0 20 40 60 80 100 120
20
40
60
80
100
120
140
160
I
F
= 1mA,
V
CE
= 0.5V
Normalized to T
A
= 25°C
Fig. 1 9 Switching Time vs. Load Resistance (FODM124)
R
L
- Load Resistance (kΩ)
1 10 100
1
10
100
1000
V
CC
= 5V
I
F
= 1mA
T
A
= 25°C
t
OFF
t
ON
t
S