a8530 Allegro MicroSystems, Inc., a8530 Datasheet - Page 2

• Manufacturer Part Number: a8530
• Description: Ultracompact 6-channel Backlight And Flash/torch White Led Driver
• Manufacturer: Allegro MicroSystems, Inc.

A8530
Ab so lute Max i mum Rat ings
Input or Output Voltage
VOUT Short Circuit to GND ....................................................Continuous
Operating Ambient Temperature, T
Junction Temperature, T
Storage Temperature, T
VIN, VOUT, C1+, C1– , C2+, C2– to GND ..................... –0.3 to 6 V
All other pins ..................................................... –0.3 to V
CIN
4.7 µF
RSET
ENM
ENF
ISET
*Contact Allegro for additional packing options.
VIN
Use the following complete part number when ordering:
J(max)
S
................................................... –55°C to 150°C
A8530EESTR-T
.............................................................. 150°C
Part Number
A
..................................... –40°C to 85°C
–
Control, Clock,
and Reference
Current Mirror
GND
C1+
Functional Block Diagram
7-in. reel, 1500 pieces/reel
+ –
IN
Fractional Charge Pump
Packaging*
+ 0.3 V
1 µF
C1 –
C1
(1×, 1.5×, and 2×)
+ –
C2+
+
–
R
Additional information is available on the Allegro Web site.
Device package is lead (Pb) free, with 100% matte tin leadframe
plating.
Package Thermal Characteristics
θJA
+ –
= 47 °C/W, on a 4-layer board based on JEDEC spec
and Flash/Torch White LED Driver
Ultracompact 6-Channel Backlight
Minimum Select
1 µF
C2
C2–
+ –
I
ES, 3 × 3 mm MLP-16
REF
+ –
Package Type
115 Northeast Cutoff, Box 15036
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 [phone]
www.allegromicro.com
I
REF
+ –
LED1
VOUT
LED2
LED4
LED5
LED3
LED6
COUT
4.7 µF
2