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AS1121 Datasheet(PDF) 8 Page - ams AG

Part # AS1121
Description  16-Channel LED Driver with Dot Correction and Greyscale PWM
PDF  22 Pages
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Manufacturer  AMSCO [ams AG]
Direct Link  http://www.ams.com
Logo AMSCO - ams AG

AS1121 Datasheet(HTML) 8 Page - ams AG

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www.austriamicrosystems.com/AS1121
Revision 1.01
7 - 21
AS1121
Datasheet - Ty pical Operating Characteristics
7 Typical Operating Characteristics
TAMB = +25°C, VCC = 3.3V (unless otherwise specified)
Figure 3. Constant Output Current vs. Output Voltage
Figure 4. Constant Output Current vs. Output Voltage
0
5
10
15
20
25
30
35
40
45
50
012
34567
89
10
Output Voltage (V)
Icoc = 40mA (1k
Ω)
Icoc = 20mA (1.96k
Ω)
Icoc = 10mA (4.02k
Ω)
Icoc = 30mA (1.33k
Ω)
Icoc =4mA (10k
Ω)
Icoc = 1mA (40.2k
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 (1.96k
Ω)
Icoc = 10mA (4.02k
Ω)
Icoc = 30mA (1.33k
Ω)
Icoc =4mA (10k
Ω)
Icoc = 1mA (40.2k
Ω)
Figure 5. Constant Output Current vs. VOUT; RIREF = 1k
Ω
Figure 6. Constant Output Current vs. VOUT; RIREF = 1k
Ω
0
5
10
15
20
25
30
35
40
45
50
012
34567
89
10
Output Voltage (V)
-40°C
+25°C
+85°C
0
5
10
15
20
25
30
35
40
45
50
00.511.5
2
Output Voltage (V)
-40°C
+25°C
+85°C
Figure 7. ICOC vs. Temp.; RIREF = 1k
Ω, VOUT = 1.5V
Figure 8. ICOC vs. Temp.; RIREF = 10k
Ω, VOUT = 1.5V
39
39.5
40
40.5
41
41.5
42
-40
-15
10
35
60
85
Ambient Temperature (°C)
3.9
3.95
4
4.05
4.1
4.15
4.2
-40
-15
10
35
60
85
Ambient Temperature (°C)



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