LAA127L
PERFORMANCE DATA*
LAA127L
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
100
120
Temperature (°C)
Turn-On (ms)
LAA127L
Typical Turn-On vs. LED Forward Current
(Load Current = 170mADC)
0.700
0.600
Turn-Off (ms)
LAA127L
Typical Turn-Off vs. LED Forward Current
(Load Current = 170mADC)
0.140
0.120
0.100
0.080
0.060
0.040
0.020
0
0.500
0.400
0.300
0.200
0.100
0
0
5
10
15
20
25
30
35
40
45
50
LED Forward Current (mA)
50mA
30mA
20mA
10mA
5mA
0
5
10
15
20
25
30
35
40
45
50
LED Forward Current (mA)
60.000
On-Resistance (Ω)
50.000
LAA127L
Typical On-Resistance vs. Temperature
(Load Current = 170mADC; I
F
= 5mADC)
LAA127L
Typical I
F
for Switch Operation
vs. Temperature
(Load Current = 170mADC)
2.500
LED Current (mA)
LED Current (mA)
2.000
1.500
1.000
0.500
0
2.500
2.000
1.500
1.000
0.500
0
-40
-20
0
20
40
60
80
100
-40
LAA127L
Typical IF for Switch Dropout
vs. Temperature
(Load Current = 170mADC)
40.000
30.000
20.000
10.000
0
-40
-20
0
20
40
60
80
100
Temperature (°C)
-20
0
20
40
60
80
100
Temperature (°C)
Temperature (°C)
200
150
LAA127L
Typical Load Current vs. Load Voltage
(Ambient Temperature = 25°C)
I
F
= 5mADC
LAA127L
Energy Rating Curve
1.2
1.0
Load Current (A)
Current (mA)
300.00
250.00
200.00
150.00
100.00
50.00
0
LAA127L
Typical Current Limiting vs. Temperature
I
F
= 5mA
Load Current (mA)
100
50
0
-50
-100
-150
-200
-2.5 -2.0 -1.5 -1.0 -0.5
0
0.5 1.0 1.5 2.0 2.5
0.8
0.6
0.4
0.2
0
10µs 100µs 1ms 10ms 100ms
Time
1s
10s 100s
-40
-20
0
20
40
60
80
100
Load Voltage (V)
Temperature (°C)
*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.
4
www.clare.com
Rev. 2
CLARE [ CLARE, INC. ]
