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A1140 Datasheet(PDF) 5 Page - Allegro MicroSystems

Part No. A1140
Description  Sensitive Two-Wire Chopper-Stabilized Unipolar Hall-Effect Switches
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Manufacturer  ALLEGRO [Allegro MicroSystems]
Direct Link  http://www.allegromicro.com
Logo ALLEGRO - Allegro MicroSystems

A1140 Datasheet(HTML) 5 Page - Allegro MicroSystems

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5
A1140-DS
Worcester, Massachusetts 01615-0036 (508) 853-5000
115 Northeast Cutoff, Box 15036
www.allegromicro.com
Allegro MicroSystems, Inc.
Sensitive Two-Wire Chopper-Stabilized Unipolar Hall Effect Switches
A1140/41/42/43
THERMAL CHARACTERISTICS may require derating at maximum conditions, see application information
Characteristic
Symbol
Test Conditions
Min. Typ.
Max Units
Package Thermal Resistance
RθJA
Package LH, minimum-K PCB (single-sided with
copper limited to solder pads)
110
ºC/W
Package LH, low-K PCB (double-sided with
0.926 in2 copper area)
228
ºC/W
Package UA, minimum-K PCB (single-sided with
copper limited to solder pads)
165
ºC/W
6
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9
2
3
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160
180
TJ(max) = 165ºC; ICC =ICC(max)
Power Derating Curve
(RθJA = 228 ºC/W)
Minimum-K PCB, Package LH
(RθJA = 110 ºC/W)
Low-K PCB, Package LH
(RθJA = 165 ºC/W)
Minimum-K PCB, Package UA
VCC(min)
VCC(max)
0
100
200
300
400
500
600
700
800
900
1000
1100
1200
1300
1400
1500
1600
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Temperature (°C)
TJ(max) = 165ºC; VCC =VCC(max);ICC =ICC(max)
Maximum Power Dissipation, PD(max)
(R
θJA =1
65 ºC/W)
Minimum-K
PCB,
Package
UA
(R
θJA
= 228
ºC/W)
Minim
um-K
PCB,
Packa
ge LH
(R
θJA =
110
ºC/W)
Low-K
PCB,
Pack
age
LH


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