a6280ees-t Allegro MicroSystems, Inc., a6280ees-t Datasheet - Page 2
![no-image](/images/no-image-200.jpg)
a6280ees-t
Manufacturer Part Number
a6280ees-t
Description
3-channel Constant-current Led Driver With Programmable Pwm Control
Manufacturer
Allegro MicroSystems, Inc.
Datasheet
1.A6280EES-T.pdf
(13 pages)
A6280
Description (continued)
voltage supply bus, thus eliminating the need for a separate chip
supply bus or an external regulator.
Applications include:
▪ Colored, large-character LED signs
▪ Scrolling, colored marquees
▪ Architectural lighting
▪ High intensity monochrome displays
▪ Large video and graphic displays
Selection Guide
Absolute Maximum Ratings
Package Thermal Resistance
Thermal Characteristics
*For additional information, refer to the Allegro website.
A6280EA-T
A6280EESTR-T
*Contact Allegro for additional packing options.
Load Supply Voltage
Output Voltage
Output Current
Ground Current
VREG Pin
Logic Outputs
Logic Input Voltage Range
Operating Ambient Temperature
Maximum Junction Temperature
Storage Temperature
Part Number
Characteristic
Characteristic
25 pieces/tube
1500 pieces/reel
Packing*
Symbol
T
V
V
J
I
Symbol
I
(max)
T
V
OUT
GND
V
T
OUT
REG
V
stg
3500
3250
3000
2750
2500
2250
2000
1750
1500
1250
1000
IN
O
A
I
750
500
250
R
0
θJA
25
16 pin DIP
16 pin QFN
Power Dissipation versus Ambient Temperature
OUT0, OUT1, OUT2
CO, LO, OEO, SDO
CI, LI, OEI, SDI
Range E
50
Package A, 4 layer PCB
4-layer PCB based on JEDEC standard (estimated performance)
3-Channel Constant-Current LED Driver
Mounting
Temperature (°C)
75
with
100
The A6280 is supplied in a 16-pin dual in-line (DIP) package
(suffix ‘A’) and in a 16-lead QFN (suffix ‘ES’) package. The
packages are lead (Pb) free with 100% matte-tin leadframe
plating.
Notes
Programmable
Test Conditions*
125
150
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
–55 to 150
–0.5 to 17
–40 to 85
–0.3 to 7
Rating
170
600
150
17
6
7
PWM Control
Units
mA
mA
ºC
ºC
ºC
V
V
V
V
V
Rating Units
38
42
ºC/W
ºC/W
2