RT9481

Copyright © 2015 Richtek Technology Corporation. All rights reserved.

is a registered trademark of Richtek Technology Corporation.

DS9481-00 June 2015

www.richtek.com

41

Outline Dimension

Symbol

Dimensions In Millimeters

Dimensions In Inches

Min

Max

Min

Max

A

0.700

0.800

0.028

0.031

A1

0.000

0.050

0.000

0.002

A3

0.175

0.250

0.007

0.010

b

0.180

0.300

0.007

0.012

D

3.950

4.050

0.156

0.159

D2

Option 1

2.400

2.500

0.094

0.098

Option 2

2.650

2.750

0.104

0.108

E

3.950

4.050

0.156

0.159

E2

Option 1

2.400

2.500

0.094

0.098

Option 2

2.650

2.750

0.104

0.108

e

0.500

0.020

L

0.350

0.450

0.014

0.018

W-Type 24L QFN 4x4 Package

Richtek Technology Corporation

14F, No. 8, Tai Yuen 1

Hsinchu, Taiwan, R.O.C.

Tel: (8863)5526789

Richtek products are sold by description only. Richtek reserves the right to change the circuitry and/or specifications without notice at any time. Customers should

obtain the latest relevant information and data sheets before placing orders and should verify that such information is current and complete. Richtek cannot assume

responsibility for use of any circuitry other than circuitry entirely embodied in a Richtek product. Information furnished by Richtek is believed to be accurate and

reliable. However, no responsibility is assumed by Richtek or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may

result from its use. No license is granted by implication or otherwise under any patent or patent rights of Richtek or its subsidiaries.