A1125 데이터 시트보기 (PDF) - Allegro MicroSystems

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A1125

Chopper-Stabilized Precision Hall-Effect Switches

Allegro MicroSystems 

A1120, A1121, A1122,

A1123, and A1125

Chopper-Stabilized Precision Hall-Effect Switches

THERMAL CHARACTERISTICS: May require derating at maximum conditions; see application information

Characteristic

Symbol

Test Conditions

Value Units

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

228 ºC/W

Package Thermal Resistance

RθJA

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

side connected by thermal vias

110 ºC/W

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

165 ºC/W

Power Derating Curve

TJ(max) = 165ºC; ICC = ICC(max)

25

24

23

22

21

20

19

18

17

16

15

14

13

12

11

Package LH, 2-layer PCB

(RθJA = 110 ºC/W)

10

9

Package UA, 1-layer PCB

8

(RθJA = 165 ºC/W)

7

6

Package LH, 1-layer PCB

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

(RPθaJAck=a(Rg1Pθe6JaA5Uck=ºAaC1,g/11eW0-Ll)aºHCy,/eW2r-l)PayCeBr PCB

(RPθaJcAk=ag2e2L8HºC, 1/W-la)yer PCB

40 60 80 100 120 140 160 180

Temperature (°C)

Allegro MicroSystems, LLC

6

115 Northeast Cutoff

Worcester, Massachusetts 01615-0036 U.S.A.

1.508.853.5000; www.allegromicro.com

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