A1190 ALLEGRO [Allegro MicroSystems], A1190 Datasheet - Page 4

• Manufacturer Part Number: A1190
• Description: Programmable, Chopper-Stabilized, Two Wire Hall-Effect Switches
• Manufacturer: ALLEGRO [Allegro MicroSystems]

A1190, A1192,
and A1193
Thermal Characteristics
Package Thermal Resistance
*Additional thermal information available on the Allegro website
Characteristic
may require derating at maximum conditions, see application information
1900
1800
1700
1600
1500
1400
1300
1200
1100
1000
900
800
700
600
500
400
300
200
100
Symbol
0
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
R
20
9
8
7
6
5
4
3
2
θJA
20
Power Dissipation versus Ambient Temperature
40
40
2-layer PCB, Package LH
(R
1-layer PCB, Package UA
4-layer PCB, Package LH
(R
(R
Package LH, on 4-layer PCB based on JEDEC standard
Package LH, on 2-layer PCB with 0.463 in.
Package UA, on 1-layer PCB with copper limited to solder pads
JA
JA
JA
60
60
= 110 ºC/W)
= 165 ºC/W)
= 228 ºC/W)
Power Derating Curve
80
Temperature (°C)
80
Temperature (ºC)
Programmable, Chopper-Stabilized,
100
100
120
120
Two Wire Hall-Effect Switches
Test Conditions*
140
140
160
160
2
of copper area each side
180
180
V
V
CC(min)
CC(max)
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
Value
228
165
110
ºC/W
ºC/W
ºC/W
Unit
4