A3230
Chopper-Stabilized Hall Effect Bipolar Switch
THERMAL CHARACTERISTICS may require derating at maximum conditions, see application information
Characteristic
Symbol
Test Conditions
Value
Units
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)
RθJA
Package Thermal Resistance
228
165
ºC/W
ºC/W
Package UA, minimum-K PCB (single-sided with
copper limited to solder pads)
Power Derating Curve
TJ(max) = 165°C; ICC = ICC(max)
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
VCC(max)
Low-K PCB, Package LH
(RθJA= 110 °C/W)
Minimum-K PCB, Package UA
(RθJA= 165 °C/W)
8
7
6
5
Minimum-K PCB, Package LH
(RθJA= 228 °C/W)
4
3
VCC(min)
2
20
40
60
80
100 120 140 160 180
Temperature (°C)
Power Dissipation versus Ambient Temperature
1900
1800
1700
1600
1500
1400
1300
1200
1100
1000
900
Low-K PCB, Package LH
(R JA = 110 °C/W)
Min-K PCB, Package UA
(R JA = 165 °C/W)
800
700
600
500
400
300
200
100
0
Min-K PCB, Package LH
(R JA = 228 °C/W)
20
40
60
80
100
120
140
160
180
Temperature (°C)
Allegro MicroSystems, Inc.
6
115 Northeast Cutoff, Box 15036
A3230-DS
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com