A8504 Ver la hoja de datos (PDF) - Allegro MicroSystems
Número de pieza
componentes Descripción
Fabricante
A8504 Datasheet PDF : 18 Pages
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A8504
WLED/RGB Backlight Driver for Medium Size LCDs
100
95
90
85
80
75
70
0
95
90
85
80
75
70
0
95
90
85
80
75
70
0
95
90
85
80
75
0
Performance Characteristics
Efficiency with PWM dimming: PLED/PBAT, VIN = 5 V
VIN = 5 V, 6 ch. with 7 LEDs per ch., 40 mA per ch., fSW = 1 MHz
100
95
90
VBAT (V)
85
9
15
80
21
75
VBAT (V)
9
15
21
20
40
60
80
100
70
0
2
4
6
8
10
Duty Cycle (%)
Expanded View, Lower Range: Duty Cycle (%)
VIN = 5 V, 6 ch. with 7 LEDs per ch., 40 mA per ch., fSW = 2 MHz
95
90
85
VBAT (V)
9
80
15
21
75
VBAT (V)
9
15
21
20
40
60
80
100
Duty Cycle (%)
70
0
2
4
6
8
10
Expanded View, Lower Range: Duty Cycle (%)
VIN = 5 V, 8 ch. with 8 LEDs per ch., 40 mA per ch., fSW = 1 MHz
95
90
85
VBAT (V)
9
80
15
21
75
VBAT (V)
9
15
21
20
40
60
80
100
Duty Cycle (%)
70
0
2
4
6
8
10
Expanded View, Lower Range: Duty Cycle (%)
VIN = 5 V, 8 ch. with 8 LEDs per ch., 40 mA per ch., fSW = 2 MHz
95
90
VBAT (V)
9
15
21
20
40
60
80
100
Duty Cycle (%)
85
80
75
0
VBAT (V)
9
15
21
2
4
6
8
10
Expanded View, Lower Range: Duty Cycle (%)
Allegro MicroSystems, Inc.
6
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
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