hcpl273 Fairchild Semiconductor, hcpl273 Datasheet - Page 9

• Manufacturer Part Number: hcpl273
• Description: Low Input Current High Gain Split Darlington Optocouplers
• Manufacturer: Fairchild Semiconductor

©2005 Fairchild Semiconductor Corporation
6N138, 5N139, NCPL2730, HCPL2731 Rev. 1.0.5
Typical Performance Curves
100
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
0.1
Fig. 18 Propagation Delay vs. Input Diode Forward Current
70
60
50
40
30
20
10
10
0
1
0.01
Fig. 20 Propagation Delay to Logic Low vs. Pulse Period
0
0
(t
PHL
V
T
A
CC
1
= 25˚C
) R
2
= 5 V
L
Fig. 16 Logic Low Supply Current vs.
= 2.2 k or 4.7 k
I
F
2
T - INPUT PULSE PERIOD - ms
- INPUT DIODE FORWARD CURRENT (mA)
Input Diode Forward Current
4
3
I
(6N138 / 6N139 Only)
F
(6N138 / 6N139 Only)
0.1
(6N138 / 6N139 Only)
(t
(t
- FORWARD CURRENT (mA)
PLH
PLH
6N139
I
R
6
6N138
I
R
F
F
L
) R
4
L
) R
= 0.5mA
= 1.6mA
V
= 4.7k
= 2.2k
CC
L
L
= 4.7 k
= 2.2 k
= 5V
5
8
V
CC
6
10
= 18V
(Continued)
1
7
T
A
= 25˚C
12
8
14
9
10
16
10
9
100
0.1
100
10
0.1
Fig. 19 Propagation Delay vs. Input Diode Forward Current
10
70
60
50
40
30
20
10
1
1
0
Fig. 21 Propagation Delay to Logic Low vs. Pulse Period
0.01
0
(t
V
T
PHL
A
CC
= 25˚C
) R
= 5 V
L
0.1
HCPL2731
I
R
Fig. 17 Logic Low Supply Current vs.
F
= 2.2 k or 4.7 k
I
L
F
= 0.5mA
= 4.7k
T
2
- INPUT DIODE FORWARD CURRENT (mA)
A
= 25˚C
I
Input Diode Forward Current
(HCPL2730 / HCPL2731 Only)
F
(HCPL2730 / HCPL2731 Only)
(HCPL2730 / HCPL2731 Only)
T - INPUT PULSE PERIOD - ms
- INPUT DIODE FORWARD CURRENT (mA)
(t
(t
PLH
0.1
PLH
HCPL2731
V
CC
) R
) R
4
L
L
= 18V
= 4.7 k
= 2.2 k
1
HCPL2730
HCPL2731
I
R
F
L
=1.6mA
= 2.2k
6
1
HCPL2730
HCPL2731
V
10
CC
T
= 7V
A
= 25˚C
8
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100
10
10