45W LED Street Light

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Power supply design for 45W LED street light

following are the required specifications
input range = 100Vac to 270Vac
Required output power = 45W
Output Voltage = 42V, 1.2A

so would request u to kindly give me a start with the design.
for i selected linkswitch PH for the design.
wud like to 've ur guidance.

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Thanks & Regards,

Arun Sagar

As shown in the attached PIXL spreadsheet, LNK419 at full mode can deliver 45W output between 100 VAC and 270 VAC input.

The recommended trasnformer was EI35, which can be changed per desired mechanical dimention.