A1222 Ver la hoja de datos (PDF) - Allegro MicroSystems

Número de pieza

componentes Descripción

Lista de partido

A1222

solid state crowbar devices

Allegro MicroSystems 

A1220, A1221,

A1222, and A1223

Chopper Stabilized Precision Hall Effect Latches

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

Value Units

228 ºC/W

110 ºC/W

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

Package LH, 2-layer PCB

11

(RQJA = 110 ºC/W)

10

9

Package UA, 1-layer PCB

8

(RQJA = 165 ºC/W)

7

6

Package LH, 1-layer PCB

5

(RQJA = 228 ºC/W)

4

3

2

VCC(max)

VCC(min)

20 40 60 80 100 120 140 160 180

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

(RPQaJAck=a(Rg1PQe6JaA5Uck=ºAaC1,g/11eW0-Ll)aºHCy,/eW2r-l)PayCeBr PCB

(RPQaJcAk=ag2e2L8HºC, 1/W-la)yer PCB

40 60 80 100 120 140 160 180

Temperature (°C)

Allegro MicroSystems, Inc.

5

115 Northeast Cutoff

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

1.508.853.5000; www.allegromicro.com

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