A3245 Просмотр технического описания (PDF) - Allegro MicroSystems

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производитель

A3245

Chopper-Stabilized Omnipolar Hall-Effect Switches

Allegro MicroSystems 

A3245

Chopper-Stabilized Omnipolar Hall Effect Switches

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

Characteristic

Package Thermal Resistance

Symbol

RθJA

Test Conditions

Package LH-3, 1-layer PCB with copper limited to

solder pads

Package LH-3, 2-layer PCB with 0.926 in2 on each

side, connected by thermal vias

Package UA, 1-layer PCB with copper limited to

solder pads

Value

110

Units

ºC/W

228

ºC/W

165

ºC/W

Power Derating Curve

25

24

23

22

21

20

19

18

17

16

15

14

13

12

11

10

9

8

7

6

5

4

3

2

20

1-layer PCB, Package LH

(R θJA= 110 °C/W)

1-layer PCB, Package UA

(R θJA= 165 °C/W)

2-layer PCB, Package LH

(R θJA= 228 °C/W)

40 60 80 100 120 140

Temperature (°C)

VCC(max)

VCC(min)

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

(R1θ-JlaAy=e(rR11θP6J-AlC5ayB=ºeC,1rP/1PW0aCc)ºBCk,a/PWgae)ckUaAge LH

(R2-θlJaAye=r2P2C8BºC, P/Wac)kage LH

40 60 80 100 120 140 160 180

Temperature (°C)

Allegro MicroSystems, Inc.

7

115 Northeast Cutoff, Box 15036

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

www.allegromicro.com

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