A1381 ALLEGRO [Allegro MicroSystems], A1381 Datasheet - Page 6

• Manufacturer Part Number: A1381
• Description: Programmable Linear Hall Effect Sensors with Analog Output Available in a Miniature Thin Profile Surface Mount Package
• Manufacturer: ALLEGRO [Allegro MicroSystems]

A1381, A1382,
A1383, and A1384
THERMAL CHARACTERISTICS may require derating at maximum conditions, see application information
Package Thermal Resistance
*Additional thermal information available on Allegro website.
Characteristic
Symbol
1900
1800
1700
1600
1500
1400
1300
1200
1100
1000
900
800
700
600
500
400
300
200
100
Programmable Linear Hall Effect Sensors with Analog Output
Available in a Miniature Thin Profile Surface Mount Package
R
0
θJA
20
6
5
4
3
2
1
0
20
Power Dissipation versus Ambient Temperature
40
40
Package LH, 1-layer PCB with copper limited to solder pads
Package LH, 2-layer PCB with 0.463 in.
connected by thermal vias
Package UA, 1-layer PCB with copper limited to solder pads
60
60
1-layer PCB, Package LH
(R
Power Derating Curve
1-layer PCB, Package UA
(R
JA
2-layer PCB, Package LH
(R
JA
80
= 228 ºC/W)
Temperature (°C)
80
Temperature (ºC)
= 165 ºC/W)
JA
= 110 ºC/W)
100
100
120
120
Test Conditions*
140
140
160
160
2
of copper area each side
180
180
V
115 Northeast Cutoff, Box 15036
V
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 [phone]
www.allegromicro.com
CC(min)
CC(max)
Value Units
228
165
110
ºC/W
ºC/W
ºC/W
6