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LM5155: Questions about LM5155 SEPIC circuit.

Part Number: LM5155

Hello guys,

One of my customers is considering using LM5155 with SEPIC for their new products.

Their requirements about power supply input/output are the follows.

Vin=15V~28V, Vo=24V or 48V, Io=0.1A at both voltages.

They want to change the output voltage (Vo) with feedback resistor ratio changing only without peripheral parts

(L, C, FET compensation R and C etc) changing.

Is it possible to generate 24V or 48V with feedback resister ratio changing only?

If it is yes, could you please give me how to determine each part parameter?

They couldn't generate those part parameters by Webench.

Also can they generate 24V or 48V using LM5155 SEPIC EVM with peripheral parts adjust?

Your reply would be much appreciated.

Best regards,