Ultra-Sensitive Dual-Channel Quadrature

Hall-Effect Bipolar Switch

A1230

6

Allegro MicroSystems, Inc.

115 Northeast Cutoff, Box 15036

Worcester, Massachusetts 01615-0036 (508) 853-5000

www.allegromicro.com

THERMAL CHARACTERISTICS may require derating at maximum conditions, see application information

Characteristic

Symbol

Test Conditions*

Value Units

Package Thermal Resistance

Package K, 1-layer PCB with copper limited to solder pads

177

ºC/W

Package L-8 pin, 1-layer PCB with copper limited to solder pads

140

ºC/W

Package L-8 pin, 4-layer PCB based on JEDEC standard

80

ºC/W

*Additional thermal data available on the Allegro Web site.

6

7

8

9

2

3

4

5

10

11

12

13

14

15

16

17

18

19

20

20

40

60

80

100

120

180

140

160

Temperature (ºC)

Power Derating Curve

Package L, 1-layer PCB

Package K, 1-layer PCB

Package L, 4-layer PCB

0

100

200

300

400

500

600

700

800

900

1000

1100

1200

1300

1400

1500

1600

1700

1800

1900

20

40

60

80

100

120

140

160

180

Temperature, TA (°C)

Power Dissipation versus Temperature

(R

140

ºC/W)

Package

L,

1-layer

PCB

(R

7 ºC/W)

Pac

kage

K,

1-lay

er PCB

(R

θJA

= 8

0 ºC/W)

P

ackage

L,

4-layer

PCB