AC INPUT/PHOTOTRANSISTOR
OPTOCOUPLERS
H11AA1-M
1000
I
F
= 10mA
V
CC
= 10V
T = 25°C
A
H11AA2-M
H11AA3-M
Fig. 8 Normalized t
on
vs. R
BE
7
V
CC
= 10V
I
C
= 2mA
R
L
= 100Ω
T = 25°C
A
H11AA4-M
Fig. 7 Switching Speed vs. Load Resistor
100
NORMALIZED t
on
- (t
on(R
BE
)
/ t
on(open)
)
6
SWITCHING SPEED - (µs)
5
T
off
10
T
f
4
3
T
on
1
T
r
2
1
0.1
0.1
1
10
100
0
10
100
1000
10000
100000
R-LOAD RESISTOR (kΩ)
R
BE
- BASE RESISTANCE (k
Ω)
Fig. 9 Normalized t
off
vs. R
BE
3.0
10000
Fig. 10 Dark Current vs. Ambient Temperature
I
CEO
- COLLECTOR -EMITTER DARK CURRENT (nA)
NORMALIZED t
off
- (t
off(R
BE
)
/ t
off(open)
)
2.5
V
CC
= 10V
I
C
= 2mA
R
L
= 100Ω
T = 25°C
A
1000
2.0
100
1.5
10
V
CE
= 30V
V
CE
= 10V
1.0
1
0.5
0.0
10
100
1000
10000
100000
0.1
0
20
40
60
80
100
R
BE
- BASE RESISTANCE (kΩ)
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)
© 2004 Fairchild Semiconductor Corporation
Page 5 of 9
1/9/04
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