MP28256 – 21V, 3A, 500kHz SYNCHRONOUS STEP-DOWN CONVERTER

NOTICE: The information in this document is subject to change without notice. Please contact MPS for current specifications.

Users should warrant and guarantee that third party Intellectual Property rights are not infringed upon when integrating MPS

products into any application. MPS will not assume any legal responsibility for any said applications.

MP28256 Rev. 1.0

www.MonolithicPower.com

13

11/3/2011

MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.

© 2011 MPS. All Rights Reserved.

PACKAGE INFORMATION

QFN14 (3x4mm)

SIDE VIEW

TOP VIEW

1

14

87

BOTTOM VIEW

2.90

3.10

1.60

1.80

3.90

4.10

3.20

3.40

0.50

BSC

0.18

0.30

0.80

1.00

0.00

0.05

0.20 REF

PIN 1 ID

MARKING

1.70

0.50

0.25

RECOMMENDED LAND PATTERN

2.90

NOTE:

1) ALL DIMENSIONS ARE IN MILLIMETERS.

2) EXPOSED PADDLE SIZE DOES NOT INCLUDE MOLD FLASH.

3) LEAD COPLANARITY SHALL BE0.10 MILLIMETER MAX.

4) JEDEC REFERENCE IS MO-229, VARIATION VGED-3.

5) DRAWING IS NOT TO SCALE.

PIN 1 ID

SEE DETAIL A

3.30

0.70

PIN 1 ID OPTION B

R0.20 TYP.

PIN 1 ID OPTION A

0.30x45º TYP.

DETAIL A

0.30

0.50

PIN 1 ID

INDEX AREA