A6275EA 데이터 시트보기 (PDF) - Allegro MicroSystems
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A6275EA Datasheet PDF : 12 Pages
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A6275
Serial-Input Constant-Current Latched LED Driver
with Open LED Detection and Dot Correction
Selection Guide
Part Number Package
A6275EA-T
A6275ELWTR-T
A6275SLWTR-T
16-pin DIP
16-pin SOICW
16-pin SOICW
Packing
25 per tube
1000 per reel
1000 per reel
Ambient Temperature
(°C)
–40 to 85
–20 to 85
Absolute Maximum Ratings*
Characteristic
Symbol
Notes
Rating
Units
Supply Voltage
Input Voltage Range
Output Voltage Range
Output Current
Ground Current
Operating Ambient Temperature
VDD
VI
VO
IO
IGND
TA
Range E
Range S
7.0
V
–0.4 to VDD + 0.4
V
–0.5 to VDD + 17
V
90
mA
750
mA
–40 to 85
ºC
–20 to 85
ºC
Maximum Junction Temperature
TJ(max)
150
ºC
Storage Temperature
Tstg
–55 to 150
ºC
*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 Thermal Resistance
Package A, 4-layer PCB based on JEDEC standard
RθJA
Package LW, 4-layer PCB based on JEDEC standard
*Additional thermal information available on the Allegro website.
Value Units
38 ºC/W
48 ºC/W
Power Dissipation versus Ambient Temperature
3500
3250
3000
2750
2500
2250
2000
1750
1500
1250
1000
750
500
250
0
25
(R
QJA
(RQJAPa=c4k8agºCe /LWW)
P=a3c8kaºCge/WA)
50
75
100
125
150
Temperature (°C)
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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