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AS1121 Datasheet(PDF) 9 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) 9 Page - ams AG

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www.austriamicrosystems.com/AS1121
Revision 1.01
8 - 21
AS1121
Datasheet - Ty pical Operating Characteristics
Figure 9. ICOC vs. RIREF; VOUT = 1.5V
Figure 10. ICOC vs. Dot Correction; VOUT = 1.5V
0
5
10
15
20
25
30
35
40
0
5
10
15
20
25
30
35
40
RIREF (kOhm)
0
5
10
15
20
25
30
35
40
45
50
0
9
18
27
36
45
54
63
Dot Correction
RIREF = 1kOhm
RIREF = 10kOhm
Figure 11. Supply Current vs. Temp.; RIREF = 1k
Ω, VOUT = 1.5V
Figure 12.
ΔICOC vs. Constant Output Current average
0
5
10
15
20
25
-40
-15
10
35
60
85
Ambient Temperature (°C)
all channels on, DC=63, OEN=LOW
all channels off , DC=0, OEN=LOW
all channels off DC=0, OEN=HIGH
all channels off , DC=63 OEN=HIGH
0
0.5
1
1.5
2
2.5
3
3.5
4
0
5
10
15
20
25
30
35
40
Constant Output Current average (mA)
Vout = 1.5V
Vout = 3.0V
Figure 13.
ΔICOC vs. Temp.; RIREF = 1kΩ
Figure 14.
ΔICOC vs. Temp.; RIREF = 10kΩ
0
0.25
0.5
0.75
1
1.25
1.5
1.75
2
-40
-15
10
35
60
85
Ambient Temperature (°C)
Vout = 1.5V
Vout = 3.0V
0
0.25
0.5
0.75
1
1.25
1.5
1.75
2
-40
-15
10
35
60
85
Ambient Temperature (°C)
Vout = 1.5V
Vout = 3.0V



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