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A1141 Datasheet(PDF) 6 Page - Allegro MicroSystems

Part # A1141
Description  Sensitive Two-Wire Chopper-Stabilized Unipolar Hall Effect Switches
Download  13 Pages
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Manufacturer  ALLEGRO [Allegro MicroSystems]
Direct Link  http://www.allegromicro.com
Logo ALLEGRO - Allegro MicroSystems

A1141 Datasheet(HTML) 6 Page - Allegro MicroSystems

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Sensitive Two-Wire Chopper-Stabilized
Unipolar Hall Effect Switches
A1140, A1141,
A1142, and A1143
6
Allegro MicroSystems, Inc.
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
THERMAL CHARACTERISTICS may require derating at maximum conditions, see application information
Characteristic
Symbol
Test Conditions*
Value Units
Package Thermal Resistance
RθJA
Package LH, 1-layer PCB with copper limited to solder pads
228
ºC/W
Package LH, 2-layer PCB with 0.463 in.2 of copper area each side
connected by thermal vias
110
ºC/W
Package UA, 1-layer PCB with copper limited to solder pads
165
ºC/W
*Additional thermal information available on Allegro Web site.
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180
Temperature (ºC)
Power Derating Curve
(RθJA = 228 ºC/W)
1-layer PCB, Package LH
(RθJA = 110 ºC/W)
2-layer PCB, Package LH
(RθJA = 165 ºC/W)
1-layer PCB, Package UA
VCC(min)
VCC(max)
0
100
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500
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Temperature (°C)
Power Dissipation versus Ambient Temperature
(R
θJA =1
65 ºC
/W)
1-layer
PCB,
Package
UA
(R
θJA
= 228 ºC
/W)
1-layer
PCB,
Packa
ge LH
(R
θJA =
110
ºC/W)
2-layer
PCB,
Packag
eL
H


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