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A6276ELW 데이터시트 PDF




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부품번호 A6276ELW 기능
기능 16-BIT SERIAL-INPUT/ CONSTANT CURRENT LATCHED LED DRIVER
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A6276ELW 데이터시트, 핀배열, 회로
6276
16-BIT SERIAL-INPUT, CONSTANT-
CURRENT LATCHED LED DRIVER
A6276ELW
GROUND 1
SERIAL
DATA IN 2
CLOCK 3 CK
LATCH 4
ENABLE
OUT 0 5
L
OUT 1 6
OUT2 7
OUT3 8
OUT 4 9
OUT5 10
OUT 6 11
OUT 7 12
VDD
24
LOGIC
SUPPLY
IO
REGULATOR
23 REXT
SERIAL
22 DATA OUT
REGISTER
LATCHES
OE 21 OUTPUT
ENABLE
20 OUT15
19 OUT14
18 OUT13
17 OUT12
16 OUT 11
15 OUT 10
14 OUT 9
13 OUT8
Dwg. PP-029-11
Note that the A6276EA (DIP) and the A6276ELW
(SOIC) are electrically identical and share a
common terminal number assignment.
ABSOLUTE MAXIMUM RATINGS
Supply Voltage, VDD ...................... 7.0 V
Output Voltage Range,
VO ............................ -0.5 V to +17 V
Output Current, IO ........................ 90 mA
Ground Current, IGND ............... 1475 mA
Input Voltage Range,
VI .................... -0.4 V to VDD + 0.4 V
Package Power Dissipation,
PD ..................................... See Graph
Operating Temperature Range,
TA ............................. -40°C to +85°C
Storage Temperature Range,
TS ........................... -55°C to +150°C
Caution: These CMOS devices have input
static protection (Class 2) but are still suscep-
tible to damage if exposed to extremely high
static electrical charges.
The A6276EA and A6276ELW are specifically designed for LED-
display applications. Each BiCMOS device includes a 16-bit CMOS
shift register, accompanying data latches, and 16 npn constant-current
sink drivers. Except for package style and allowable package power
dissipation, the two devices are identical.
The CMOS shift register and latches allow direct interfacing with
microprocessor-based systems. With a 5 V logic supply, typical serial
data-input rates are up to 20 MHz. The LED drive current is deter-
mined by the user’s selection of a single resistor. A CMOS serial data
output permits cascade connections in applications requiring additional
drive lines. For inter-digit blanking, all output drivers can be disabled
with an ENABLE input high. Similar 8-bit devices are available as the
A6275EA and A6275ELW.
Two package styles are provided for through-hole DIP (suffix A) or
surface-mount SOIC (suffix LW). Under normal applications, a copper
lead frame and low logic-power dissipation allow the dual in-line
package to sink maximum rated current through all outputs continu-
ously over the operating temperature range (90 mA, 0.75 V drop,
+85°C). Both devices are also available for operation over the standard
temperature range of -20°C to +85°C. To order, change the suffix
letter ‘E’ to ‘S’.
FEATURES
s To 90 mA Constant-Current Outputs
s Under-Voltage Lockout
s Low-Power CMOS Logic and Latches
s High Data Input Rate
s Functional Replacement for TB62706BN/BF
Always order by complete part number, e.g., A6276EA .




A6276ELW pdf, 반도체, 판매, 대치품
6276
16-BIT SERIAL-INPUT,
CONSTANT-CURRENT
LATCHED LED DRIVER
ELECTRICAL CHARACTERISTICS at TA = +25°C, VDD = 5 V (unless otherwise noted).
Characteristic
Supply Voltage Range
Under-Voltage Lockout
Output Current
(any single output)
Output Current Matching
(difference between any
two outputs at same VCE)
Output Leakage Current
Logic Input Voltage
SERIAL DATA OUT
Voltage
Input Resistance
Supply Current
Symbol
VDD
VDD(UV)
IO
IO
ICEX
VIH
VIL
VOL
VOH
RI
IDD(OFF)
IDD(ON)
Test Conditions
Operating
VDD = 0 ¡ 5 V
VCE = 0.7 V, REXT = 250
VCE = 0.7 V, REXT = 470
0.4 V VCE(A) = VCE(B) 0.7 V:
REXT = 250
REXT = 470
VOH = 15 V
IOL = 500 µA
IOH = -500 µA
ENABLE Input, Pull Up
LATCH Input, Pull Down
REXT = open, VOE = 5 V
REXT = 470 , VOE = 5 V
REXT = 250 , VOE = 5 V
REXT = 470 , VOE = 0 V
REXT = 250 , VOE = 0 V
Min.
4.5
3.4
64.2
34.1
Limits
Typ. Max.
5.0 5.5
– 4.0
75.5 86.8
40.0 45.9
Unit
V
V
mA
mA
±1.5 ±6.0 %
±1.5 ±6.0 %
– 1.0 5.0 µA
0.7VDD – VDD V
GND – 0.3VDD V
– – 0.4 V
4.6 – – V
150 300 600 k
100 200 400 k
– 0.8 1.4 mA
3.5 6.0 8.0 mA
6.5 11 15 mA
7.0 13 20 mA
10 22 32 mA
Typical Data is at VDD = 5 V and is for design information only.
4
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000

4페이지










A6276ELW 전자부품, 판매, 대치품
6276
16-BIT SERIAL-INPUT,
CONSTANT-CURRENT
LATCHED LED DRIVER
100
80
60
40
20
0
0
100
80
60
40
20
0
0
ALLOWABLE OUTPUT CURRENT AS A FUNCTION OF DUTY CYCLE
A6276EA
A6276ELW
VCE = 1 V
VCE = 2 V
VCE = 3 V
VCE = 4 V
100
80
60
VCE = 0.7 V
VCE = 1 V
VCE = 2 V
VCE = 3 V
VCE = 4 V
40
TA = +25°C
VDD = 5 V
RθJA = 50°C/W
TA = +25°C
20 VDD = 5 V
RθJA = 75°C/W
20 40 60
DUTY CYCLE IN PER CENT
80 100
Dwg. GP-062-11
VCE = 1 V
VCE = 2 V
VCE = 3 V
VCE = 4 V
TA = +50°C
VDD = 5 V
RθJA = 50°C/W
0
0
100
80
60
40
20
20 40 60
DUTY CYCLE IN PER CENT
80 100
Dwg. GP-062-6
VCE = 0.7 V
VCE = 1 V
VCE = 2 V
VCE = 3 V
VCE = 4 V
TA = +50°C
VDD = 5 V
RθJA = 75°C/W
20 40 60
DUTY CYCLE IN PER CENT
80 100
Dwg. GP-062-10
0
0
20 40 60
DUTY CYCLE IN PER CENT
80 100
Dwg. GP-062-7
www.allegromicro.com
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부품번호상세설명 및 기능제조사
A6276ELW

16-BIT SERIAL-INPUT/ CONSTANTCURRENT LATCHED LED DRIVER

Allegro MicroSystems
Allegro MicroSystems
A6276ELW

16-BIT SERIAL-INPUT/ CONSTANT CURRENT LATCHED LED DRIVER

Allegro MicroSystems
Allegro MicroSystems

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