A1184 View Datasheet(PDF) - Allegro MicroSystems

Part Name

Description

Manufacturer

A1184

Standard Two-Wire Field-Programmable Chopper-Stabilized Unipolar Hall-Effect Switches

Allegro MicroSystems 

A1184

Standard Two-Wire Field-Programmable Chopper-Stabilized Unipolar Hall Effect Switch

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

Characteristic

Package Thermal Resistance

Symbol

RθJA

Test Conditions*

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

Package LH, 2-layer PCB with 0.463 in.2 of copper area each side

connected by thermal vias

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

*Additional thermal information available on Allegro Web site.

Value Units

228 ºC/W

110 ºC/W

165 ºC/W

A1184-DS, Rev. 2

Power Derating Curve

25

24

23

22

21

20

19

18

17

16

15

14

13

12

2-layer PCB, Package LH

11

(RθJA = 110 ºC/W)

10

9

1-layer PCB, Package UA

8

(RθJA = 165 ºC/W)

7

6

1-layer PCB, Package LH

5

(RθJA = 228 ºC/W)

4

3

2

VCC(max)

VCC(min)

20 40 60 80 100 120 140 160 180

Temperature (ºC)

Power Dissipation versus Ambient Temperature

1900

1800

1700

1600

1500

1400

1300

1200

1100

1000

900

800

700

600

500

400

300

200

100

0

20

(R1θ-JlaAy=e(Rr12θP6J-AlC5ay=BºeC,1r P1/PW0aCc)ºBCk,a/PWga)eckUaAge LH

(1R-θlJaAye=r2P2C8BºC, P/Wac)kage LH

40 60 80 100 120 140 160 180

Temperature (°C)

Allegro MicroSystems, Inc.

5

115 Northeast Cutoff, Box 15036

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

www.allegromicro.com

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