rt8288a Richtek Technology Corporation, rt8288a Datasheet - Page 13

• Manufacturer Part Number: rt8288a
• Description: 4a, 21v 500khz Synchronous Step-down Converter
• Manufacturer: Richtek Technology Corporation

DS8288A-01 August 2011
Connect all analog grounds to a command node and
then connect the command node to the power ground
behind the output capacitors.
An example of PCB layout guide is shown in Figure 7
for reference.
SW should be connected
to inductor by wide and
short trace and keep
sensitive components
away from this trace.
L
BOOT
C
V
VIN
OUT
SW
SW
BOOT
Place the input and
output capacitors
as close to the IC
as possible.
Figure 7. PCB Layout Guide
C
C
IN
OUT
2
3
4
GND
GND
9
8
7
6
5
GND
VCC
FB
EN
GND
R
T
V
OUT
R2
R1
Place the feedback
as close to the IC as
possible.
RT8288A
www.richtek.com
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