1.2W non-isolated dual output step-down power adapter based on LNK304DN design, with circuit diagram, PCB layout, component list

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Summary:

This engineering report describes a 1.2 W non-isolated dual output step-down power adapter based on a converter designed to provide two output voltages, LNK304DN. This reference design contains a complete power specification for designing a power adapter, detailed circuit diagrams, bill of materials, and PCB layout.

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 step-down 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)