1.2W non-isolated dual output step-down power adapter based on LNK304DN design, with circuit diagram, bill of materials, specification file,

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Summary:

This document is an engineering report that describes a dual-output power adapter with a positive or negative output of 1.2 W based on the LNK304DN design. This document includes power specifications, circuit diagrams, bill of materials, transformer specifications, printed circuit board layout, and performance data.

1.2W non-isolated dual output step-down power adapter PCB physical map

1.2W non-isolated dual output step-down power adapter circuit diagram

1.2W non-isolated dual output buck power adapter PCB layout

1.2W non-isolated dual output step-down power adapter component list

See the PDF document for details (click on the PDF file to download)