6277 Просмотр технического описания (PDF) - Allegro MicroSystems
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6277 Datasheet PDF : 12 Pages
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6277
8-BIT SERIAL-INPUT,
CONSTANT-CURRENT
LATCHED LED DRIVER
140
120
100
80
60
40
20
0
0
ALLOWABLE OUTPUT CURRENT AS A FUNCTION OF DUTY CYCLE (cont.)
A6277xA
A6277xLW
VCE = 0.7 V
140
VCE = 0.7 V
VCE = 1 V
VCE = 2 V
VCE = 3 V
VCE = 4 V
TA = +85°C
VDD = 5 V
RθJA = 55°C/W
120
VCE = 1 V
100
VCE = 2 V
80
VCE = 3 V
60
VCE = 4 V
40
TA = +85°C
VDD = 5 V
RθJA = 70°C/W
20
0
20
40
60
80
100
0
DUTY CYCLE IN PER CENT
Dwg. GP-062-13
20
40
60
DUTY CYCLE IN PER CENT
80
100
Dwg. GP-062-12
TYPICAL CHARACTERISTICS
60
40
TA = +25°C
20
REXT = 470 Ω
0
0
0.5
1.0
1.5
2.0
VCE IN VOLTS
Dwg. GP-063-1
115 Northeast Cutoff, Box 15036
8
Worcester, Massachusetts 01615-0036 (508) 853-5000
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