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A8430 Fiches technique(PDF) 3 Page - Allegro MicroSystems

No de pièce A8430
Description  White LED Driver Constant Current Step-up Converter
Download  10 Pages
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Fabricant  ALLEGRO [Allegro MicroSystems]
Site Internet  http://www.allegromicro.com
Logo ALLEGRO - Allegro MicroSystems

A8430 Fiches technique(HTML) 3 Page - Allegro MicroSystems

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Worcester, Massachusetts 01615-0036 (508) 853-5000
115 Northeast Cutoff, Box 15036
www.allegromicro.com
A8430
White LED Driver Constant Current Step-up Converter
Operating Characteristics
Using Typical Application Circuit (Schematic 1)
60
65
70
75
80
85
90
0
5
10
15
20
LED Current (mA)
VIN = 3 V
VIN = 4 V
Quiescent Current versus Input Voltage
0
0.5
1.0
1.5
2.0
2.5
02468
10
VIN (V)
Feedback Bias Current versus Temperature
0
5
10
15
20
Temperature (°C)
Switch Pin Voltage versus Temperature
Conversion Efficiency versus Current
0
100
50
150
200
250
300
Temperature (°C)
Quiescent Current versus Temperature
1.90
1.95
2.00
2.05
2.10
2.15
–50
0
50
100
150
Temperature (°C)
Switching Frequency versus Temperature
1.00
1.05
1.10
1.15
1.20
1.25
Temperature (°C)
–50
0
50
100
150
–50
0
50
100
150
–50
0
50
100
150


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Numéro de composants électroniques

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A8431 White LED Driver Constant Current Step-up Converter 1  2  3  4  5  More Allegro MicroSystems
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MBI5169 8 bit CONSTANT CURRENT LED SINK DRIVER WITH ERROR DETECTION 1  2  3  4  5  More List of Unclassifed Manufacturers
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