Datasheet

www.clare.com
4
PLA140
Rev. 5
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.
PLA140
Typical LED Forward Voltage Drop
vs. Temperature
Temperature (°C)
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
50mA
30mA
20mA
10mA
5mA
PLA140
Typical Turn-On vs. LED Forward Current
(Load Current = 250mADC)
LED Forward Current (mA)
Turn-On (ms)
0
5 1015202530354045
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
50
PLA140
Typical Turn-Off vs. LED Forward Current
(Load Current = 250mADC)
LED Forward Current (mA)
Turn-Off (ms)
0
5 1015202530354045
0.050
0.045
0.040
0.035
0.030
0.025
0.020
0.015
0.010
0.005
0
50
PLA140
Typical On-Resistance vs. Temperature
(Load Current = 250mADC; I
F
= 5mADC)
Temperature (°C)
On-Resistance (Ω)
-40
10
9
8
7
6
5
4
3
2
1
0
-20 0 20 40 60 80 100
PLA140
Typical I
F
for Switch Operation
vs. Temperature
(Load Current = 250mADC)
Temperature (°C)
LED Current (mA)
-40
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
-20 0 20 40 60 80 100
PLA140
Typical I
F
for Switch Dropout
vs. Temperature
(Load Current = 250mADC)
Temperature (°C)
LED Current (mA)
-40
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
-20 0 20 40 60 80 100
PLA140
Typical Load Current vs. Load Voltage
(Ambient Temperature = 25°C; I
F
= 5mADC)
Load Voltage (V)
Load Current (mA)
250
200
150
100
50
0
-50
-100
-150
-200
-250
-2.0 -1.5 -1.0 -0.5 0 0.5 1.0 2.01.5
PLA140
Energy Rating Curve
Time
Load Current (A)
1.2
1.0
0.8
0.6
0.4
0.2
0
10µs 1ms100µs 100ms
1s
10ms 10s 100s