SC4510 查看數據表（PDF） - Semtech Corporation

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SC4510

High Performance Synchronous Buck Controller With Reference Tracking

Semtech Corporation 

SC4510

POWER MANAGEMENT

Outline Drawing - TSSOP-20

A

N

2X E/2

PIN 1

INDICATOR

ccc C 1 2 3

2X N/2 TIPS

e

D

E1 E

e/2

B

aaa C

SEATING

PLANE

C

D

A2 A

A1

bxN

bbb C A-B D

DIMENSIONS

DIM

INCHES

MIN NOM MAX

MILLIMETERS

MIN NOM MAX

A-

- .047 -

- 1.20

A1 .002 - .006 0.05 - 0.15

A2 .031 - .042 0.80 - 1.05

b .007 - .012 0.19 - 0.30

c .003 - .007 0.09 - 0.20

D .251 .255 .259 6.40 6.50 6.60

E1 .169 .173 .177 4.30 4.40 4.50

E

.252 BSC

6.40 BSC

e

.026 BSC

0.65 BSC

L .018 .024 .030 0.45 0.60 0.75

L1

(.039)

(1.0)

N

20

20

01 0° - 8° 0° - 8°

aaa

.004

0.10

bbb

.004

0.10

ccc

.008

0.20

H

GAGE

c

PLANE

SIDE VIEW

0.25

SEE DETAIL A

L

01

(L1)

DETAIL A

NOTES:

1. CONTROLLING DIMENSIONS ARE IN MILLIMETERS (ANGLES IN DEGREES).

2. DATUMS -A- AND -B- TO BE DETERMINED AT DATUM PLANE-H-

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

OR GATE BURRS.

4. REFERENCE JEDEC STD MO-153, VARIATION AC.

Land Pattern - TSSOP-20

X

(C)

P

GZ

Y

DIM

C

G

P

X

Y

Z

DIMENSIONS

INCHES MILLIMETERS

(.222)

(5.65)

.161

4.10

.026

0.65

.016

0.40

.061

1.55

.283

7.20

NOTES:

1. THIS LAND PATTERN IS FOR REFERENCE PURPOSES ONLY.

CONSULT YOUR MANUFACTURING GROUP TO ENSURE YOUR

COMPANY'S MANUFACTURING GUIDELINES ARE MET.

Contact Information

Semtech Corporation

Power Management Products Division

200 Flynn Road, Camarillo, CA 93012

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

© 2004 Semtech Corp.

16

www.semtech.com

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