Data Sheet

©2011 Fairchild Semiconductor Corporation www.fairchildsemi.com
HMHA281, HMHA2801 Series Rev. 5.2 5
HMHA281, HMHA2801 Series — 4-Pin Half-Pitch Mini-Flat Phototransistor Optocouplers
Typical Performance Characteristics
V
F
- FORWARD VOLTAGE (V) I
F
- FORWARD CURRENT (mA)
0.6 0.8 1.0 1.2 1.4 1.6
I
F
- FORWARD CURRENT (mA)
I
C
/I
F
- CURRENT TRANSFER RATIO (%)
I
C
- COLLECTOR CURRENT (mA)
NORMALIZED CTR (IF) / CTR (5mA
)
1
10
100
Figure 3. Forward Current vs. Forward Voltage Figure 4. Collector Current vs. Forward Current
T
A
= 25˚C
1 10 100
0.1
1
10
100
V
CE
= 0.4 V
V
CE
= 10 V
V
CE
= 5 V
I
F
- FORWARD CURRENT (mA)
1 10 100
10
100
1000
V
CE
= 0.4 V
V
CE
= 10 V
V
CE
= 5 V
T
A
= 25˚C
Figure 5. Current Transfer Ratio vs. Forward Current
Figure 7. Collector Current vs. Temperature
T
A
- AMBIENT TEMPERATURE (°C)
Figure 6. Normalized CTR vs. Temperature
-40 -20 0 20 40 60 80 100
-0.5
0.0
0.5
1.0
1.5
2.0
Normalized to:
I
F
= 5 mA
V
CE
= 5 V
T
A
= 25˚C
I
F
= 5 mA
I
F
= 10 mA
I
F
= 1 mA
I
F
= 0.5mA
T
A
- AMBIENT TEMPERATURE (°C)
-40 -20 0 20 40 60 80 100
I
C
- COLLECTOR CURRENT (mA)
0.1
1
10
100
I
F
= 25 mA
I
F
= 5 mA
I
F
= 10 mA
I
F
= 1 mA
I
F
= 0.5 mA
V
CE
= 5 V