A8514 데이터 시트보기 (PDF) - Allegro MicroSystems
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A8514 Datasheet PDF : 35 Pages
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A8514
Wide Input Voltage Range, High Efficiency
Fault Tolerant LED Driver
Input Disconnect Switch Gate to Source Voltage
versus Ambient Temperature
-6.3
-6.4
-6.5
-6.6
-6.7
-6.8
-6.9
-50 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100 110 120 130
Temperature (°C)
VSENSE Pin Sink Current
versus Ambient Temperature
20.8
20.7
20.6
20.5
20.4
20.3
20.2
20.1
20.0
-50 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100 110 120 130
Temperature (°C)
LED Current versus Ambient Temperature
83
82
81
80
79
78
77
76
75
-50 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100 110 120 130
Temperature (°C)
ISET to LED Current Gain versus Ambient Temperature
ISET = 120 μA
670
665
660
655
650
645
640
-50 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100 110 120 130
Temperature (°C)
LED to LED Matching Accuracy
versus Ambient Temperature
3
2
1
0
-1
-2
-3
-50 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100 110 120 130
Temperature (°C)
Allegro MicroSystems, Inc.
9
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
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