A1225LLTTR-T Ver la hoja de datos (PDF) - Allegro MicroSystems
Número de pieza
componentes Descripción
Fabricante
A1225LLTTR-T Datasheet PDF : 12 Pages
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A1225, A1227
and A1229
Hall Effect Latch for High Temperature Operation
THERMAL CHARACTERISTICS may require derating at maximum conditions, see application information
Characteristic
Symbol
Test Conditions*
Package LT, 1-layer PCB with copper limited to solder pads
Package Thermal Resistance
RθJA
Package LT, 2-layer PCB with 0.94 in2 copper each side
Package UA, 1-layer PCB with copper limited to solder pads
*Additional thermal information available on Allegro website.
Value
180
78
165
Units
ºC/W
ºC/W
ºC/W
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
20
Power Derating Curve
1-layer PCB, Package LT
(RθJA = 180 ºC/W)
1-layer PCB, Package UA
(RθJA = 165 ºC/W)
2-layer PCB, Package LT
(RθJA = 78 ºC/W)
40
60
80
100
120
140
TA (ºC)
Power Dissipation
1900
1800
1700
1600
1500
1400
1300
1200
1100
1000
900
800
700
600
500
400
300
200
100
0
(R1θ-Jl(aAR1yθ-=eJlaAr1yP=8eC0r1BPº6C,C5P/BWºaC, c)P/Wka(aRc)θg2JkAe-ala=LgyeTe7r8UPºCCAB/W, P) ackage LT
20 40 60 80 100 120 140
Temperature (°C)
160
160
VCC(max)
VCC(min)
180
180
Allegro MicroSystems, Inc.
4
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
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