A6277SLW Allegro Microsystems Inc, A6277SLW Datasheet - Page 8

• Manufacturer Part Number: A6277SLW
• Description: IC LED DRIVER LINEAR 20-SOIC
• Manufacturer: Allegro Microsystems Inc
• Type: Linear (Non-Switching)r

Specifications of A6277SLW

• Constant Current: Yes
• Topology: 8-Bit Shift Register
• Number Of Outputs: 8
• Internal Driver: Yes
• Type - Primary: General Purpose
• Frequency: 20MHz
• Voltage - Supply: 4.5 V ~ 5.5 V
• Voltage - Output: 1V
• Mounting Type: Surface Mount
• Package / Case: 20-SOIC (7.5mm Width)
• Operating Temperature: -20°C ~ 85°C
• Current - Output / Channel: 120mA
• Internal Switch(s): Yes
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Efficiency: -

A6277
ALLOWABLE OUTPUT CURRENT AS A FUNCTION OF DUTY CYCLE
60
40
20
140
120
100
80
60
40
20
0
8-Bit Serial Input Constant-Current Latched LED Driver
0
0
0
TYPICAL CHARACTERISTICS
R
T
20
V
JA
A
DD
= +85 C
= 70 C/W
0.5
= 5 V
DUTY CYCLE IN PER CENT
V
CE
V
40
CE
= 4 V
IN VOLTS
1.0
V
CE
= 3 V
60
V
CE
= 2 V
R
T
EXT
A
= +25 C
= 470
1.5
V
80
CE
= 1 V
V
CE
Dwg. GP-062-12
Dwg. GP-063-1
= 0.7 V
100
2.0
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
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