A6277ELW-T Allegro Microsystems Inc, A6277ELW-T Datasheet - Page 4

• Manufacturer Part Number: A6277ELW-T
• Description: IC LED DRIVER LINEAR 20-SOIC
• Manufacturer: Allegro Microsystems Inc
• Type: Linear (Non-Switching)r

Specifications of A6277ELW-T

• 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: -40°C ~ 85°C
• Current - Output / Channel: 120mA
• Internal Switch(s): Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Efficiency: -
• Other names: 620-1087

A6277
ELECTRICAL CHARACTERISTICS at T
Typical Data is at V
C
Supply Voltage Range
Under-Voltage Lockout
Output Current
(any single output)
Output Current Matching
d (
two outputs at same V
Output Leakage Current
Logic Input Voltage
SERIAL DATA OUT Voltage
(SDO
Input Resistance
Supply Current
h
f i
a
e f
a r
e r
1
c
n
& SDO
e t
c
e
i r
t s
b
e
c i
w t
2
)
DD
e
e
= 5 V and is for design information only.
n
a
n
CE
y
)
8-Bit Serial Input Constant-Current Latched LED Driver
S
V
I
I
DD(OFF)
y
DD(ON)
V
DD(UV)
I
V
V
V
V
m
CEX
I
R
OH
DD
O
OL
I
IH
IL
O
I
b
l o
T
O
V
V
V
0.4 V
V
I
I
ENABLE input, pull up
LATCH & HIGH/LOW inputs, pull down
R
R
R
R
R
OL
OH
e
DD
CE
CE
OH
EXT
EXT
EXT
EXT
EXT
p
t s
r e
A
=
=
= 1.0 V, R
= 0.4 V, R
=
=
t a
C
1
= open, V
= 470
= 160
= 470
= 160
= +25 C, V
1 -
0
2
0 .
o
n i
0 .
V
0
R
R
n
o t
g
m
CE(A)
d
EXT
EXT
V
m
5
t i
A
A
o i
V
= 160
= 470
, V
, V
, V
, V
= V
EXT
EXT
n
OE
s
OE
OE
OE
OE
CE(B)
= 5 V
= 160
= 470
H/L
= 5 V
= 5 V
= 0 V
= 0 V
= V
1.0 V:
DD
= 5 V (unless otherwise noted).
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
0.7V
M
100
150
100
4
3
4
3.5
5.0
34
14
20
–
–
–
–
–
–
i
5 .
4 .
6 .
. n
DD
T
120
300
270
5
1
0.8
6.5
10
42
17
27
y
1.5
1.5
Limits
–
–
–
–
–
0 .
0 .
. p
0.3V
M
140
600
400
5
4
5
0
1.6
9.5
48
22
15
40
6.0
6.0
a
–
–
5 .
0 .
0 .
4 .
. x
DD
U
mA
mA
mA
mA
mA
mA
mA
k
k
%
%
V
V
V
V
V
V
n
A
t i
3