Continuous-Time Bipolar Switch Family

A1201, A1202,

A1203, and A1204

4

Allegro MicroSystems, Inc.

115 Northeast Cutoff, Box 15036

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

www.allegromicro.com

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

Characteristic

Symbol

Test Conditions

Value Units

Package Thermal Resistance

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

228

ºC/W

side connected by thermal vias

110

ºC/W

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

165

ºC/W

6

7

8

9

2

3

4

5

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

20

40

60

80

100

120

140

160

180

Power Derating Curve

(R

Package LH, 1-layer PCB

(R

Package LH, 2-layer PCB

(R

Package UA, 1-layer 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

Temperature (°C)

Power Dissipation versus Ambient Temperature

(R

JA

= 165

ºC/W

)

Package

UA,

1-la

yer

PCB

(R

JA

= 228

ºC/W)

Packag

e LH,

1-layer

PCB

(R

ºC/W)

Package

LH,

2-layer

PC

B