non-isolate source 36w output 36v/1amp for trafic lights

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good morning I want your help in designing a non-isolated source of low cost has an entry of 100 to 240 VAC and a power output of 36w with 36VDC and 1 amp, thanks

RDR257 is the universal input, 36V_0.33A output buck converter design using LNK405EG, and attached is the 36V_1A spreadsheet using LNK409EG.

You can modify RDR257 board based on the attached spreadsheet result.