Data Sheet

www.austriamicrosystems.com/LED-Driver-ICs/AS1115 Revision 1.08 7 - 25
AS1115
Datasheet - Typic a l Opera t i n g Char a c t e r ist i c s
Figure 10. VDIGIT vs. IDIGIT Figure 11. Input High Level vs. Supply Voltage
0
0.1
0.2
0.3
0.4
0 0.05 0.1 0.15 0.2 0.25 0.3 0.35
Idig (A)
Vdig (V) .
Vdd = 2.7V
Vdd = 3.3V
Vdd = 4V
Vdd = 5V
Vdd = 5.5V
0
0.5
1
1.5
2
2.5
3
3.5
2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5
Vdd (V)
Vih (V) .
Figure 12. ISEG vs. VSEG; VDD = 5V Figure 13. ISEG vs. VSEG; VDD = 4V
0
5
10
15
20
25
30
35
40
45
50
2 2.5 3 3.5 4 4.5 5
Vseg (V)
Iseg (mA) .
Rext = 10k
Rext = 13k
Rext = 18k
Rext = 30k
Rext = 56k
0
5
10
15
20
25
30
35
40
45
50
1 1.5 2 2.5 3 3.5 4
Vseg (V)
Iseg (mA) .
Rext = 8k2
Rext = 10k
Rext = 13k
Rext = 18k
Rext = 30k
Figure 14. ISEG vs. VSEG; VDD = 3.3V Figure 15. ISEG vs. VSEG; VDD = 2.7V
0
5
10
15
20
25
30
35
40
45
50
1 1.2 1.4 1.6 1.8 2 2.2 2.4 2.6 2.8 3 3.2
Vseg (V)
Iseg (mA) .
Rext = 6k8
Rext = 8k2
Rext = 10k
Rext = 13k
Rext = 18k
0
5
10
15
20
25
30
35
40
45
50
1 1.2 1.4 1.6 1.8 2 2.2 2.4 2.6
Vseg (V)
Iseg (mA) .
Rext = 4k7
Rext = 5k6
Rext = 6k8
Rext = 10k
Rext = 13k
ams AG
Technical content still valid