A6282EES-T Allegro Microsystems Inc, A6282EES-T Datasheet - Page 8

• Manufacturer Part Number: A6282EES-T
• Description: LED DRIVER, 16 CH, CONST-CURRENT
• Manufacturer: Allegro Microsystems Inc

Specifications of A6282EES-T

• Led Driver Application: Display, Signboard, Lighting
• Topology: Constant Current
• No. Of Outputs: 16
• Output Current: 51.1mA
• Output Voltage: 12V
• Input Voltage: 3V To 5.5V
• Operating Temperature: RoHS Compliant

A6282
Input-Output Truth Table
Serial
Input
(SDI)
Data
H
X
L
60
50
40
30
20
10
Channel Maximum Constant Output Current
0
0.3
Clock
(CLK)
Input
versus External Reference Resistance
L = Low logic (voltage) level, H = High logic (voltage) level, X = Don’t care, P = Present state, R = Previous state
Shift Register Contents
I
0
H R
P
R
L R
X
0
0
I
P
1
R
X X
0
0
1
1
R
1.0
R
R
P
I
R
2
EXT
1
1
2
2
…
…
…
…
…
…
(kΩ)
I
R
R
R
X
P
15
15
15
15
15
2.0
V
4.5 to 5.0
3.0 to 3.6
DD
(V)
(SDO)
Operating Characteristics
Serial
Data
Out
R
R
R
P
3.0 4.0 5.0
X
15
14
14
15
16-Channel Constant-Current LED Driver
Enable
Latch
Input
(LE)
H
L
P
15
I
Channel Output Current versus Output Voltage
0
Latch Contents
P
R
X
50
45
40
35
30
25
20
15
10
0
0
5
0
I
P
1
R
0
X X
1
1
P
I
R
2
0.3 0.6 0.9 1.2
2
2
…
…
…
…
I
R
15
X
15
V
(Outputs on)
(Outputs off)
R
R
DD
EXT
EXT
V
Output
Enable
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
Input
( ¯ O ¯ ¯ ¯ E ¯ )
= 5.0 V
DS
H
1.5 1.8 2.1
L
= 470 Ω
= 910 Ω
(V)
I
P
15
15
I
Output Contents
0
P
2.4 2.7
H
0
I
P
1
H H …
1
P
I
2
2
3.0
…
…
H
8