RT8288A

13

DS8288A-03

June 2012

www.richtek.com

©

Copyright

2012 Richtek Technology Corporation. All rights reserved.

is a registered trademark of Richtek Technology Corporation.

Figure 7. PCB Layout Guide

GND

R2

R1

L

GND

Place the input and

output capacitors

as close to the IC

as possible.

SW should be connected

to inductor by wide and

short trace and keep

sensitive components

away from this trace.

Place the feedback

as close to the IC as

possible.

VIN

SW

SW

BOOT

GND

VCC

EN

FB

GND

2

3

4

5

6

7

8

9

Connect all analog grounds to a common node and then

connect the common node to the power ground behind

the output capacitors.

An example of PCB layout guide is shown in Figure 7

for reference.