AS1108
Datasheet - Typical Application
Table 22. RSET vs. Segment Current and LED Forward Voltage, VDD = 4.0V (Continued)
VLED(V)
2.5
ISEG (mA)
1.5
2.0
3.0
3.5
20
10
17.7kΩ
36.89kΩ
17.3kΩ
35.7kΩ
16.6kΩ
34.5kΩ
15.6kΩ
32.5kΩ
13.6kΩ
29.1kΩ
Table 23. RSET vs. Segment Current and LED Forward Voltage, VDD = 5.0V
VLED (V)
ISEG (mA)
1.5
2.0
2.5
3.0
3.5
4.0
40
30
20
10
11.35kΩ
15.4kΩ
23.6kΩ
48.9kΩ
11.12kΩ
15.1kΩ
23.1kΩ
47.8kΩ
10.84kΩ
14.7kΩ
22.6kΩ
46.9kΩ
10.49kΩ
14.4kΩ
22kΩ
10.2kΩ
13.6kΩ
21.1kΩ
43.8kΩ
9.9kΩ
13.1kΩ
20.2kΩ
42kΩ
45.4kΩ
Table 24. Package Thermal Data
Package
Thermal Resistance (ΘJA)
20 Wide SOIC
+85°C/W
www.austriamicrosystems.com/LED-Driver-ICs/AS1108
Revision 2.13
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