Summary: This document is an engineering report describing a 4.8W buck-boost converter designed with the LNK306P. This power supply is suitable for home appliance applications. This document includes power specifications, circuit diagrams, bill of materials, transformer documentation, printed circuit board layout, and performance data. 4.8W Buck-Boost Converter PCB Physical Map 4.8W Buck-Boost Converter Circuit Diagram 4.8W Buck - Boost Converter PCB Layout 4.8W Buck-Boost Converter Component List See the uploading documentation for details (click to download) zhejiang ttn electric co.,ltd , https://www.ttnpower.com