17

ATS673LSE-DS

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

115 Northeast Cutoff, Box 15036

www.allegromicro.com

Allegro MicroSystems, Inc.

Self-Calibrating TPOS Gear Tooth Sensor Optimized for Automotive Cam Sensing Applications

ATS673 and ATS674

Power Derating

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

Characteristic

Symbol

Test Conditions*

Value Units

Package Thermal Resistance

Minimum-K PCB (single layer, single-sided, with copper limited to

solder pads)

101

ºC/W

Low-K PCB (single-layer, single-sided with copper limited to

77

ºC/W

0

5

10

15

20

25

30

20

40

60

80

100

120

140

160

180

Power Derating Curve

Minimum-K PCB

Low-K 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

Power Dissipation Versus Ambient

for Sample PCBs

(R

01º

C/W)

Minimum-K

PCB

(R

77

ºC/W)

Low-K

PCB

*Additional information is available on the Allegro Web site.