A8503 View Datasheet(PDF) - Allegro MicroSystems
Part Name
Description
MFG CO.
A8503
Allegro MicroSystems
'A8503' PDF : 17 Pages View PDF
A8503
High Efficiency 6-Channel, 2 MHz, WLED/RGB Driver for
Medium Displays, with Integrated 55 V Power Switch
100
95
90
85
80
75
70
0
Characteristic Performance
High Efficiency Boost Converter
PWM Efficiency
at Various Input Voltage Levels (VBAT)
VIN = 5 V, six channels with 9 series LEDs each,
20 mA per channel, PWM = 200 Hz, fSW = 1.5 MHz
20
40
60
80
100
Duty Cycle (%)
VBAT (V)
5
9
12
17
21
100
95
90
85
80
75
70
0
PWM Efficiency
at Various Input Voltage Levels (VBAT)
VIN = 5 V, six channels with 9 series LEDs each,
20 mA per channel, PWM = 200 Hz, fSW = 980 kHz
20
40
60
80
100
Duty Cycle (%)
VBAT (V)
5
9
12
17
21
Allegro MicroSystems, Inc.
7
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
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