9

Date: 3/14/06

SPX2945 400mA Low Dropout Voltage Regulator with Shutdown

©Copyright 2006 Sipex Corporation

PACKAGE: 3 PIN TO-263

MIN

NOM

MAX

MIN

NOM

MAX

A

0.160

-

0.190

4.06

-

4.83

A1

0.000

-

0.010

0.00

-

0.25

b

0.020

-

0.039

0.51

-

0.99

b2

0.045

-

0.070

1.14

-

1.78

c

0.015

-

0.029

0.38

-

0.74

c2

0.045

-

0.065

1.14

-

1.65

D

0.330

-

0.380

8.38

-

9.65

D1

0.270

-

-

6.86

-

-

E

0.380

-

0.420

9.65

-

10.67

E1

0.245

-

-

6.22

-

-

e

H

0.575

-

0.625

14.61

-

15.88

L

0.070

-

0.110

1.78

-

2.79

L1

-

-

0.066

-

-

1.68

L3

O

0˚

-

8˚

0˚

-

8˚

Inches

Controlling Dimension

Millimeters

Conversion Factor:

1 Inch = 25.40 mm

SIPEX Pkg Signoff Date/Rev:

JL Aug5-05 / Rev A

0.25 BSC

.010 BSC

SYMBOL

3 Pin TO-263 JEDEC TO-263

Variation AA

2.54 BSC

.100 BSC

DETAIL C

L

Gauge Plane

A1

Seating

Plane

L3

θ

c

C2

A

H

Seating

Plane

Chamfer

Optional

SIDE VIEW

See Detail C

E1

D1

(L1)

Thermal

Pad

BACK

VIEW

L1

FRONT VIEW

E

D

b2

e

b

E/2

1

2

3