MPX2003

– UP TO 140kHz ALL-IN-ONE FLYBACK CONTROLLER

MPX2003 Rev. 1.0

MonolithicPower.com

32

8/5/2022

MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.

© 2022 MPS. All Rights Reserved.

No trace beneath the IC

for isolation requirement

Snubber loop

as small as possible

IC GND

separated from

power GND

Board 3 (EMI F ilter)

PD Daughter Board

Board 1 (Main Board)

Board 2 (Bus Capacitor)

Keep decoupling

capacitor near

the IC

Secondary power loop

as small as possible

Figure 24: Recommended PCB Layout for 65W PD Adapter Design (Bottom Side)