11

 2004 Semtech Corp.

www.semtech.com

SC4611

POWER MANAGEMENT

Outline Drawing - TSSOP-20

Semtech Corporation

Power Management Products Division

200 Flynn Road, Camarillo, CA 93012

Phone: (805)498-2111 FAX (805)498-3804

Contact Information

Land Pattern - TSSOP-20

L

(L1)

c

01

GAGE

PLANE

SEE DETAIL

DETAIL

A

A

0.25

.026 BSC

.252 BSC

20

.004

.169

.251

.173

.255

.007

-

20

0.10

0.65 BSC

6.40 BSC

4.40

6.50

-

.177

.259

4.30

6.40

.012 0.19

4.50

6.60

0.30

bxN

2X N/2 TIPS

SEATING

aaa C

E/2

INDICATOR

PIN 1

2X

1

3

2

N

E1

bbb

C A-B D

ccc C

DIMENSIONS "E1" AND "D" DO NOT INCLUDE MOLD FLASH, PROTRUSIONS

3.

OR GATE BURRS.

DATUMS

AND

TO BE DETERMINED AT DATUM PLANE

CONTROLLING DIMENSIONS ARE IN MILLIMETERS (ANGLES IN DEGREES).

-B-

NOTES:

1.

2.

-A-

-H-

SIDE VIEW

(.039)

.004

.008

-

.024

-

-

-

-

0°

.018

.003

.031

.002

-

8°

0°

0.20

0.10

-

8°

0.45

0.09

0.80

0.05

.030

.007

.047

.042

.006

-

(1.0)

0.60

-

0.75

0.20

-

-

-

1.20

1.05

0.15

A

B

C

D

e

e/2

H

PLANE

D

E

A1

A2 A

REFERENCE JEDEC STD MO-153, VARIATION AC.

4.

INCHES

b

N

ccc

aaa

bbb

01

E1

E

L

L1

e

D

c

A2

A1

DIM

A

MIN

MAX

MILLIMETERS

MIN

DIMENSIONS

NOM MAX

NOM

(.222)

(5.65)

Z

G

Y

P

(C)

4.10

.161

0.65

.026

0.40

.016

1.55

.061

7.20

.283

X

INCHES

DIMENSIONS

Z

P

Y

X

DIM

C

G

MILLIMETERS

THIS LAND PATTERN IS FOR REFERENCE PURPOSES ONLY.

CONSULT YOUR MANUFACTURING GROUP TO ENSURE YOUR

COMPANY'S MANUFACTURING GUIDELINES ARE MET.

NOTES:

1.