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Need LED driver solution

Hi All,

I need a LED driver circuit which can take 230V input & gives me an output power of 44W(40V@1.1A)? do we have any reference design matching the above specifications or else the circuit close to the above specifications at low cost. I am going to use single high wattage LED & this is for floodlight application. kindly help me with proper solution.

Regards,

Aravind.