12

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

115 Northeast Cutoff, Box 15036

www.allegromicro.com

3946

Half-Bridge Power MOSFET Controller

A3946KLB SOIC

NOTES:

1. Exact body and lead configuration at vendor’s option within limits shown.

2. Lead spacing tolerance is non-cumulative.

3. Supplied in standard sticks/tubes of 49 devices or add “TR” to part number for tape and reel.

.406

.398

10.31

10.11

.299

.291

7.59

7.39

.414

.398

10.52

10.11

.020

.014

0.51

0.36

.026

REF

0.66

.050

BSC

1.27

.012

.004

0.30

0.10

.104

.096

2.64

2.44

.040

.020

1.02

0.51

.011

.009

0.28

0.23

8º

0º

Dimensions in inches

Metric dimensions (mm) in brackets, for reference only

2

1

16

Webbed lead frame. Leads 4 and 13 are joined together within the device package.

A3946KLP TSSOP with Exposed Thermal Pad

0.20

0.09

0.008

0.004

8º

0º

.75

.45

0.030

0.018

1.20

MAX

0.047

.15

.00

0.006

0.000

.30

.19

0.012

0.007

4.5

4.3

0.177

0.169

6.6

6.2

0.260

0.244

1

REF

0.039

5.1

4.9

0.201

0.193

2

1

16

.65

BSC

.026

Dimensions in millimeters

U.S. Customary dimensions (in.) in brackets, for reference only

A Exposed thermal pad (bottom surface)

Gauge Plane

Seating Plane

3

BSC

0.118

3

BSC

0.118

.25

BSC

0.010

A

2

1

16

.65

BSC

.026

Dimensions in millimeters

U.S. Customary dimensions (in.) in brackets, for reference only

A Exposed thermal pad (bottom surface)

Gauge Plane

Seating Plane

3

BSC

0.118

3

BSC

0.118

.25

BSC

0.010

A