PMP7361: looking for isolation solution as PMP7361 but with higher output current rating

Part Number: PMP7361

Dear team,

I am looking for solution for below application.

Vin: 47~49V

Vout: 55V

Iout: 2.5A

Isolation: yes

And find PMP7361 but only with ~1A output current rating, 

Could you guide us how to modified component of PMP7361 to support 2.5A application?

or 

Did you have recommend reference design which suitable for our application? If yes, could you share it with me? 

Regards,

Ben