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AS1122 Datasheet(PDF) 7 Page - ams AG

Part # AS1122
Description  12-Channel LED Dr iver wi th Dot Cor rect ion and Greyscale PWM
Download  23 Pages
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Manufacturer  AMSCO [ams AG]
Direct Link  http://www.ams.com
Logo AMSCO - ams AG

AS1122 Datasheet(HTML) 7 Page - ams AG

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www.austriamicrosystems.com/LED-Driver-ICs
Revision 1.00
6 - 22
AS112
Datasheet - Ty p i c a l O p e r a t i n g C h a r a c t e r i s t i c s
7 Typical Operating Characteristics
TAMB = +25°C, VDD = 3.0V, VOUT = 1.0V (unless otherwise specified)
Figure 4. Constant Output Current vs. Output Voltage
Figure 5. Constant Output Current vs. Output Voltage
0
5
10
15
20
25
30
35
40
45
50
0
1
2
3
4
5
6
7
8
9
10
Output Voltage (V)
Icoc = 40mA (1k
Ω)
Icoc = 20mA (2k
Ω)
Icoc = 8mA (4.7k
Ω)
Icoc = 4mA (10k
Ω)
0
5
10
15
20
25
30
35
40
45
50
0
0.25
0.5
0.75
1
1.25
1.5
1.75
2
Output Voltage (V)
Icoc = 40mA (1k
Ω)
Icoc = 20mA (2k
Ω)
Icoc = 8mA (4.7k
Ω)
Icoc = 4mA (10k
Ω)
Figure 6. Constant Output Current vs. VOUT; REXT = 1k
Figure 7. Constant Output Current vs. VOUT; REXT = 1k
0
5
10
15
20
25
30
35
40
45
50
0
1
2
3
4
5
6
7
8
9
10
Output Voltage (V)
-40°C
+25°C
+85°C
0
5
10
15
20
25
30
35
40
45
50
0
0.25
0.5
0.75
1
1.25
1.5
1.75
2
Output Voltage (V)
-40°C
+25°C
+85°C
Figure 8. ICOC vs. Supply Voltage; REXT = 1k
Figure 9. ICOC vs. Supply Voltage; REXT = 10k
39
39.25
39.5
39.75
40
40.25
40.5
40.75
41
2.7
2.8
2.9
3
3.1
3.2
3.3
3.4
3.5
3.6
Supply Voltage (V)
-40°C
+25°C
+85°C
3.9
3.94
3.98
4.02
4.06
4.1
2.7
2.8
2.9
3
3.1
3.2
3.3
3.4
3.5
3.6
Supply Voltage (V)
-40°C
+25°C
+85°C


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