A1140 Allegro MicroSystems, A1140 Datasheet - Page 5

• Manufacturer Part Number: A1140
• Description: Sensitive Two-Wire Chopper-Stabilized Unipolar Hall-Effect Switches
• Manufacturer: Allegro MicroSystems

THERMAL CHARACTERISTICS may require derating at maximum conditions, see application information
A1140-DS
Package Thermal Resistance
Characteristic
Sensitive Two-Wire Chopper-Stabilized Unipolar Hall Effect Switches
1900
1800
1700
1600
1500
1400
1300
1200
1100
1000
900
800
700
600
500
400
300
200
100
Symbol
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
0
9
8
7
6
5
4
3
2
20
R
20
θJA
T
40
40
J(max)
Low-K PCB, Package LH
A1140/41/42/43
(R
Minimum-K PCB, Package UA
Minimum-K PCB, Package LH
(R
(R
Maximum Power Dissipation, P
θJA
θJA
θJA
T
Package LH, minimum-K PCB (single-sided with
copper limited to solder pads)
Package LH, low-K PCB (double-sided with
0.926 in
Package UA, minimum-K PCB (single-sided with
copper limited to solder pads)
J(max)
60
= 165ºC; V
= 110 ºC/W)
= 165 ºC/W)
= 228 ºC/W)
60
Power Derating Curve
= 165ºC; I
80
Temperature (°C)
2
80
copper area)
CC
100
= V
100
CC
CC(max)
Test Conditions
= I
120
120
CC(max)
; I
CC
140
140
= I
D(max)
CC(max)
160
160
180
180
V
V
CC(min)
CC(max)
Allegro MicroSystems, Inc.
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 [phone]
www.allegromicro.com
Min.
228
165
110
Typ.
–
–
–
Max Units
–
–
–
ºC/W
ºC/W
ºC/W
5