Datasheet

14
Figure 9. I
FLH
vs. temperature.
Figure 10. Propagation delay vs. V
CC
. Figure 11. Propagation delay vs. I
F
. Figure 12. Propagation delay vs. temperature.
Figure 14. Propagation delay vs. Cg.Figure 13. Propagation delay vs. Rg.
I
FLH
– LOW TO HIGH CURRENT THRESHOLD – mA
-40
0
T
A
– TEMPERATURE – °C
100
3
2
-20
HCPL-3120 fig 9a
4
0 20 40
1
60 80
5
V
CC
= 15 TO 30 V
V
EE
= 0 V
OUTPUT = OPEN
HCPL-3120
I
FLH
– LOW TO HIGH CURRENT THRESHOLD – mA
-40
0
T
A
– TEMPERATURE – °C
-20
HCPL-3120 fig 9b-new
5
0 20
1
100
2
3
40 60 80
V
CC
= 15 TO 30 V
V
EE
= 0 V
OUTPUT = OPEN
4
HCPL-J312
I
FLH
– LOW TO HIGH CURRENT THRESHOLD – mA
-40
0
T
A
– TEMPERATURE – °C
-20
HCPL-3120 fig 9c-new
5
0 20
1
100
2
3
40 60 80
V
CC
= 15 TO 30 V
V
EE
= 0 V
OUTPUT = OPEN
4
HCNW3120
T
p
– PROPAGATION DELAY – ns
15
100
V
CC
– SUPPLY VOLTAGE – V
30
400
300
HCPL-3120 fig 10
500
20
200
25
I
F
= 10 mA
T
A
= 25 °C
Rg = 10 Ω
Cg = 10 nF
DUTY CYCLE = 50%
f = 10 kHz
T
PLH
T
PHL
T
p
– PROPAGATION DELAY – ns
6
100
I
F
– FORWARD LED CURRENT – mA
16
400
300
HCPL-3120 fig 11
500
10
200
12
V
CC
= 30 V, V
EE
= 0 V
Rg = 10 Ω, Cg = 10 nF
T
A
= 25 °C
DUTY CYCLE = 50%
f = 10 kHz
T
PLH
T
PHL
148
T
p
– PROPAGATION DELAY – ns
-40
100
T
A
– TEMPERATURE – °C
100
400
300
-20
HCPL-3120 fig 12
500
0 20 40
200
60 80
T
PLH
T
PHL
I
F
= 10 mA
V
CC
= 30 V, V
EE
= 0 V
Rg = 10 Ω, Cg = 10 nF
DUTY CYCLE = 50%
f = 10 kHz
T
p
– PROPAGATION DELAY – ns
0
100
Rg – SERIES LOAD RESISTANCE – Ω
50
400
300
10
HCPL-3120 fig 13
500
30
200
40
T
PLH
T
PHL
V
CC
= 30 V, V
EE
= 0 V
T
A
= 25 °C
I
F
= 10 mA
Cg = 10 nF
DUTY CYCLE = 50%
f = 10 kHz
20
T
p
– PROPAGATION DELAY – ns
0
100
Cg – LOAD CAPACITANCE – nF
100
400
300
20
HCPL-3120 fig 14
500
40
200
60 80
T
PLH
T
PHL
V
CC
= 30 V, V
EE
= 0 V
T
A
= 25 °C
I
F
= 10 mA
Rg = 10 Ω
DUTY CYCLE = 50%
f = 10 kHz