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AS1123 Datasheet(PDF) 7 Page - ams AG

No. de pieza AS1123
Descripción Electrónicos  Constant -Cur rent , 16 -Channe l LED Dr iver wi th Diagnost ics
PDF  25 Pages
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Fabricante Electrónico  AMSCO [ams AG]
Página de inicio  http://www.ams.com
Logo AMSCO - ams AG

AS1123 Datasheet(HTML) 7 Page - ams AG

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www.austriamicrosystems.com/LED-Driver-ICs
Revision 1.00
6 - 24
AS1123
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
VDD = +3.0V to +5.5V, TAMB = 25ºC (unless otherwise specified).
Figure 3. Output Current vs. Output Voltage
Figure 4. ICOC vs. Supply Voltage; REXT = 470
Ω
0
10
20
30
40
50
60
0
0.5
1
1.5
2
2.5
3
Output Voltage (V)
Iout = 40mA (470
Ω)
Iout = 4mA (4.7k
Ω)
Iout = 10mA (1.8k
Ω)
38
38.5
39
39.5
40
40.5
41
41.5
42
3
3.25
3.5
3.75
4
4.25
4.5
4.75
5
Supply Voltage (V)
Figure 5. ICOC vs. Temperature; REXT = 470
Ω
Figure 6. ICOC vs. Temperature; REXT = 1.8k
Ω
38
38.5
39
39.5
40
40.5
41
41.5
42
-40
-15
10
35
60
85
Temperature ( C)
8
8.5
9
9.5
10
10.5
11
11.5
12
-40
-15
10
35
60
85
Temperature ( C)
Figure 7. LED Error Detection Threshold vs. Supply Voltage
0
1
2
3
4
5
3
3.25
3.5
3.75
4
4.25
4.5
4.75
5
Supply Voltage (V)
Vthh - Level 1 (default)
Vthh - Level 2
Vthl



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