A6276 데이터 시트보기 (PDF) - Allegro MicroSystems
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A6276 Datasheet PDF : 13 Pages
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A6276
16-Bit Serial Input, Constant-Current
Latched LED Driver
Selection Guide
Part Number
Package
Packing
Ambient
Temperature (°C)
A6276EA-T
24-pin DIP
15 per tube
–40 to 85
A6276ELPTR-T*
24-pin TSSOP
4000 per reel
–40 to 85
A6276ELWTR-T
24-pin SOICW
1000 per reel
–40 to 85
A6276SLWTR-T*
24-pin SOICW
1000 per reel
–20 to 85
*Variant is in production but has been determined to be LAST TIME BUY. This classification indicates that the variant is
obsolete and notice has been given. Sale of the variant is currently restricted to existing customer applications. The variant
should not be purchased for new design applications because of obsolescence in the near future. Samples are no longer
available. Status date change November 1, 2008. Deadline for receipt of LAST TIME BUY orders is April 25, 2009.
Absolute Maximum Ratings*
Characteristic
Symbol
Notes
Rating
Units
Supply Voltage
Output Voltage
Input Voltage
Output Current
Ground Current
Operating Ambient Temperature
VDD
VO
VROUT
IO
IGND
TA
Range S
Range E
7.0
V
–0.5 to 17
V
–0.4 to VDD + 0.4
V
90
mA
1475
mA
–20 to 85
ºC
–40 to 85
ºC
Maximum Junction Temperature
TJ(max)
150
ºC
Storage Temperature
Tstg
–55 to 150
ºC
*Caution: These CMOS devices have input static protection (Class 2) but are still susceptible to damage if exposed to extremely high
static electrical charges.
Thermal Characteristics may require derating at maximum conditions, see application information
Characteristic
Symbol
Test Conditions*
Package A, 1-layer PCB based on JEDEC standard
Package Thermal Resistance
RθJA
Package LP, 2-layer PCB with 3.8 in.2 copper area each side
Package LW, 1-layer PCB based on JEDEC standard
*Additional thermal information available on the Allegro website
4.0
Value Units
50 ºC/W
32 ºC/W
85 ºC/W
3.5
24-PIN TSSOP*, R θJA = 32°C/W
3.0
24-PIN DIP, RθJA = 50°C/W
2.5
24-LEAD SOIC, RθJA = 85°C/W
2.0
1.5
1.0
0.5
0
25
50
75
100
125
150
AMBIENT TEMPERATURE IN °C
*Mounted on single-layer, two-sided PCB, with 3.8 in2 copper each side;
additional information on Allegro Web site
Allegro MicroSystems, Inc.
2
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
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