LH1540 Ver la hoja de datos (PDF) - Infineon Technologies
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LH1540 Datasheet PDF : 5 Pages
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Typical Performance Characteristics
Figure 1. LED Voltage vs. Temperature
1.6
1.5
1.4
IF=20 mA
IF=50 mA
1.3
1.2
IF=1.0 mA
1.1 IF=2.0 mA
IF=5.0 mA
1.0
IF=10 mA
–40 –20
0
20 40
60
80
AMBIENT TEMPERATURE (°C)
Figure 4. Current Limit vs. Temperature
40
30
20
10
0
–10
–20
–30
–40
–40
IF=5.0 mA
t=5 ms
VL=SEE ELEC. CHAR.
–20
0
20 40 60 80
AMBIENT TEMPERATURE (°C)
Figure 2. LED Dropout Voltage vs. Temperature
1.20
IL=100 mA
1.15
TYP.
1.10
MIN.
1.05
1.00
0.95
–40 –20
0
20
40
60
80
AMBIENT TEMPERATURE (°C)
Figure 5. ON-Resistance vs. Temperature
50
40
IL=50 mA
30
20
10
0
–10
–20
–30
–40
–40 –20
0
20 40 60 80
AMBIENT TEMPERATURE (°C)
Figure 3. LED Current for Switch Turn-on vs. Temperature
100
IL=100 mA
80
60
40
20
0
–20
–40
–60
–40 –20 0
20 40 60 80
AMBIENT TEMPERATURE (°C)
Figure 6. Variation in ON-Resistance vs. LED Current
1.5
IL=50 mA
1.0
0.5
0
–0.5
0
4
8
12
16
20
LED FORWARD CURRENT (mA)
2001 Infineon Technologies Corp. • Optoelectronics Division • San Jose, CA
www.infineon.com/opto • 1-888-Infineon (1-888-463-4636)
3–156
LH1540AT/AAB/AABTR
March 23, 2001-12
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