AC INPUT/PHOTOTRANSISTOR
OPTOCOUPLERS
H11AA1
1000
I
F
= 10 mA
V
CC
= 10 V
T
A
= 25˚C
H11AA3
H11AA2
H11AA4
Fig. 8 Normalized t
on
vs. R
BE
Fig. 7 Switching Speed vs. Load Resistor
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
1
10
100
10
100
T
off
10
T
f
T
on
1
T
r
0.1
0.1
NORMALIZED t
on
- (t
on(R
BE
)
/ t
on(open)
)
SWITCHING SPEED - (µs)
V
CC =
10 V
I
C
= 2 mA
R
L
= 100
W
100
1000
10000
100000
R-LOAD RESISTOR (kW
)
R
BE
- BASE RESISTANCE (k
W )
Fig. 9 Normalized t
off
vs. R
BE
1.4
10000
Fig. 10 Dark Current vs. Ambient Temperature
I
CEO
- COLLECTOR -EMITTER DARK CURRENT (nA)
V
CE
= 10 V
T
A
= 25˚C
1000
1.3
NORMALIZED t
off
- (t
off(R
BE
)
/ t
off(open)
)
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
10
100
1000
10000
100000
V
CC =
10 V
I
C
= 2 mA
R
L
= 100
W
100
10
1
0.1
0.01
R
BE
- BASE RESISTANCE (k
W )
0.001
0
20
40
60
80
100
T
A
- AMBIENT TEMPERATURE (˚C)
Fig. 11 Output Symmetry Characteristics
10
5
NORMALIZED OUTPUT CURRENT
I
F
=
1
.5
I
F
=
I
- 10mA
I
I
10mA
I
.1
.05
NORMALIZED TO:
V
CE
= 10 V
I
F
= 10 mA
THE MAXIMUM PEAK
OUTPUT CURRENT
WILL BE NO MORE
THAN THREE TIMES
THE MINIMUM PEAK
OUTPUT CURRENT AT
I
F
= ±10 mA
.05
.1
.5
1
5
10
.01
.005
.01
V
CE
- COLLECTOR TO EMITTER VOLTAGE (V)
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