A8508 View Datasheet(PDF) - Allegro MicroSystems
Part Name
Description
MFG CO.
A8508
Allegro MicroSystems
'A8508' PDF : 28 Pages View PDF
A8508
Wide Input Voltage Range, High Efficiency
8-Channel Fault Tolerant LED Driver
VIN
VDR
R1
10 kΩ
Q2
1 kΩ
1 kΩ
RVDR
CDR
CDD
RFSET
RISET
CIN
L1
D1
VOUT
(Optional) Q1
Q3
COUT
RSENSE
VIN
GATE SENP SENN
FAULT
PWM
EN
VDR
VDD
FSET/SYNC
ISET
COMP
A8508
PAD
CP
MODE
AGND PGND
ROVP
OVP
LED1
LED2
LED3
LED4
LED5
LED6
LED7
LED8
Application A. Typical schematic for boost application with disconnect switch application
RVDR
CDR
CDD
RFSET
RISET
VIN
VC
R2
10 kΩ
L2
L1
CF
D1
CIN
COUT
R1
VIN
FAULT
RSENSE
GATE SENP SENN
PWM
EN
VDR
VDD
FSET/SYNC
ISET
COMP
A8508
PAD
CP
MODE
AGND PGND
VOUT
ROVP
OVP
LED1
LED2
LED3
LED4
LED5
LED6
LED7
LED8
Application B. Typical application showing SEPIC configuration
Allegro MicroSystems, Inc.
25
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
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