Datasheet

www.clare.com
4
LCA110
R10
PERFORMANCE DATA*
*The Performance data shown in the graphs above is typical of device performance. For guaranteed parameters not indicated in the written specifications, please contact our application
department.
LCA110
Typical LED Forward Voltage Drop
vs. Temperature
LED Forward Voltage Drop (V)
1.8
1.6
1.4
1.2
1.0
0.8
-40 -20 0 20 40 60 80 120100
I
F
= 50mA
I
F
= 10mA
I
F
= 5mA
Temperature (°C)
LCA110
Typical Turn-On vs. LED Forward Current
(I
L
= 120mA
DC
)
LED Forward Current (mA)
Turn-On (ms)
0
5 10 15 20 25 30 35 40 4
5
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
50
LCA110
Typical Turn-Off vs. LED Forward Current
(I
L
= 120mA
DC
)
LED Forward Current (mA)
Turn-Off (ms)
0
5 10 15 20 25 30 35 40 4
5
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
50
LCA110
Typical Steady State
On-resistance vs. Temperature
(I
L
= Max. rated @ temp.)
-40
60
50
40
30
20
10
0
-20 0 20 40 60 80 100
Temperature (°C)
On-resistance (Ω)
I
F
=10mA
I
F
=5mA
LCA110
Typical I
F
for Switch Operation
vs. Temperature
(I
L
= 70mA
DC
)
LED Current (mA)
-40
3.0
2.5
2.0
1.5
1.0
0.5
0
-20 0 20 40 60 80 100
Temperature (°C)
LCA110
Typical I
F
for Switch Dropout
vs. Temperature
(I
L
= 70mA
DC
)
LED Current (mA)
-40
3.0
2.5
2.0
1.5
1.0
0.5
0
-20 0 20 40 60 80 100
Temperature (°C)
Load Voltage (V)
Load Current (mA)
150
100
50
0
-50
-100
-150
-3 -2 -1 0 1 2 3
LCA110
Typical Load Current vs. Load Voltage
(T
A
= 25°C; I
F
= 2mA
DC
)
N=50
LCA110
Energy Rating Curve
Time
Load Current (A)
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
1ms10µs 100µs 100ms
1s
10ms 10s 100s