Datasheet

15
Figure 15. Transfer characteristics.
Figure 16. Input current vs. forward voltage.
Figure 17. I
OH
test circuit.
V
O
– OUTPUT VOLTAGE – V
0
0
I
F
– FORWARD LED CURRENT – mA
5
25
15
1
HCPL-3120 fig 15
30
2
5
3 4
20
10
V
O
– OUTPUT VOLTAGE – V
0
0
I
F
– FORWARD LED CURRENT – mA
1
HCPL-3120 fig 15b
35
2
5
5
15
25
3 4
10
20
HCPL-J312
30
I
F
– FORWARD CURRENT – mA
1.10
0.001
V
F
– FORWARD VOLTAGE – VOLTS
1.60
10
1.0
0.1
1.20
HCPL-3120 fig 16a
1000
1.30 1.40 1.50
T
A
= 25°C
I
F
V
F
+
–
0.01
100
HCPL-3120
V
F
– FORWARD VOLTAGE – VOLTS
1.2 1.3 1.4 1.5
I
F
– FORWARD CURRENT – mA
1.71.6
1.0
I
F
+
T
A
= 25°C
–
HCPL-J312/HCNW3120
V
F
0.1
0.01
0.001
10
100
1000
HCPL-3120 fig 16b
HCPL-3120 fig 17
0.1 µF
V
CC
= 15
to 30 V
1
3
I
F
= 7 to
16 mA
+
–
2
4
8
6
7
5
+
–
4 V
I
OH