RT6203B

22

DS6203B-01 July 2017

www.richtek.com

Richtek Technology Corporation

Hsinchu, Taiwan, R.O.C.

Tel: (8863)5526789

Richtek products are sold by description only. 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.

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

0.150

0.300

0.006

0.012

D

3.900

4.100

0.154

0.161

D2

Option 1

2.650

2.750

0.104

0.108

Option 2

2.100

2.200

0.083

0.087

E

3.900

4.100

0.154

0.161

E2

Option 1

2.650

2.750

0.104

0.108

Option 2

2.100

2.200

0.083

0.087

e

0.500

0.020

L

0.350

0.450

0.014

0.018

W-Type 20L QFN 4x4 Package

Note : The configuration of the Pin #1 identifier is optional,

but must be located within the zone indicated.

DETAIL A

Pin #1 ID and Tie Bar Mark Options

1

1

2

2