Typical Performance Characteristics
Figure 1. LED Voltage vs. Temperature
1.6
1.5
IF = 50 mA
IF = 20 mA
1.4
1.3
1.2
IF = 1 mA
1.1 IF = 2 mA
IF = 5 mA
IF = 10 mA
1.0
–40 –20
0
20
40
60
80
AMBIENT TEMPERATURE, TA (°C)
Figure 4. LED Current for Switch Turn-on/off vs.
Temperature
400
300
IL=100 mA
200
100
0
-100
-40
-20
0
20
40
60
80
Temperature (°C)
Figure 2. LED Forward Current vs. LED Forward Voltage
120
100
80
T=8°C
T=25°C
T=-40°C
60
40
20
0
0
0.5
1
1.5
2
LED Forward Voltage (V)
Figure 5. ON-Resistance vs. Temperature
40
30
20
10
0
-10
IL=5mA
-20
IL=50mA
-30
-40
-40
-20
0
20
40
60
80
Temperature (°C)
Figure 3. LED Reverse Current vs. LED Reverse Voltage
10
8
6
4
2
0
0
85°C
25°C
-40°C
20
40
60
80
LED Reverse Voltage (V)
Figure 6. LED Dropout Voltage vs. Temperature
1.21
1.17
1.13
IL=100mA
1.09
1.05
1.01
-40 -20
0
20
40
60
80
Temperature (°C)
2001 Infineon Technologies Corp. • Optoelectronics Division • San Jose, CA
www.infineon.com/opto • 1-888-Infineon (1-888-463-4636)
3–109
LH1525AT/AAB/AABTR
March 21, 2001-14