High-efficiency 18W power adapter designed with TOP264VG, with TOP264VG data sheet and TOP264VG design

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Summary:

This document is an engineering report describing a flyback power adapter designed using the TOPSwitch-JX family of devices TOP264VG. The purpose of this power supply is as a universal evaluation platform for universal input and provides 12 V, continuous 18 W output. The size of the PCB board is 35 mm x 50 mm.

This document includes power specifications, circuit diagrams, bill of materials, transformer documentation, printed circuit board layout, and performance data.

High efficiency 18W power adapter PCB physical map

High efficiency 18W power supply circuit diagram

High efficiency 18W power supply PCB layout

See the uploading documentation for details (click to download)