NB621 – 8A, 25V, 600kHz SYNCHRONOUS STEP-DOWN CONVERTER WITH INTEGRATED LDO

NOTICE: The information in this document is subject to change without notice. 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.

NB621 Rev. 0.9

www.MonolithicPower.com

14

12/10/2013

MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

© 2013 MPS. All Rights Reserved.

PACKAGE INFORMATION

4mm x 5mm QFN28

SIDE VIEW

TOP VIEW

1

28

23

22

15

14

9

8

BOTTOM VIEW

3.90

4.10

2.50

2.80

4.90

5.10

3.50

3.80

0.50

BSC

0.18

0.30

0.80

1.00

0.00

0.05

0.20 REF

PIN 1 ID

MARKING

2.70

0.25

RECOMMENDED LAND PATTERN

3.90

NOTE:

1) ALL DIMENSIONS ARE IN MILLIMETERS.

2) EXPOSED PADDLE SIZE DOES NOT INCLUDE MOLD FLASH.

3) LEAD COPLANARITY SHALL BE 0.10 MILLIMETER MAX.

4) DRAWING CONFORMS TO JEDEC MO-220, VARIATION VHGD-3.

5) DRAWING IS NOT TO SCALE.

PIN 1 ID

SEE DETAIL A

PIN 1 ID OPTION A

0.30x45º TYP.

PIN 1 ID OPTION B

R0.25 TYP.

DETAIL A

PIN 1 ID

INDEX AREA

0.70

0.35

0.45

0.50

3.70 4.90