A8503
High Efficiency 6-Channel, 2 MHz, WLED/RGB Driver for
Medium Displays, with Integrated 55 V Power Switch
Characteristic Performance
Turn-on and Shutdown
VIN = 5 V, VBAT = 7 V, ILEDx = 20 mA, six LED channels with 10 series LEDs each
(A) Turn-on using the EN pin, with VIN = 5 V
(B) Turn-on using the VIN pin, with EN high
VEN
C1
IOUT
C2
C1 VIN
C2
IOUT
Symbol
C1
C2
t
t
Parameter
VEN
IOUT
time
Units/Division
2V
20 mA
2 ms
IOUT
(C) Shutdown using the EN pin
VEN
Symbol
C1
C2
t
t
Parameter
VIN
IOUT
time
Units/Division
2V
20 mA
2 ms
C1
C2
Symbol
C1
C2
t
t
Parameter
VEN
IOUT
time
Units/Division
2V
20 mA
200 μs
Allegro MicroSystems, Inc.
9
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com