Hi,
I presume you mean 50V 0.5A to 240V 50A - I am not sure I understand you correctly because it seems that you want output power more than input power (which is impossible).
Please share the complete specs.
Thanks and Regards,
Sujoy
About me :- I am an Electronics engineer with 12 years of Experience in Industrial Electricals and Electronics technology. My areas of expertise are Power Electronics and Motor control. I have worked with Megawatt size AC-DC convertors, wind turbines, UPS systems, Motor and Drives for critical applications and Industrial Networking systems during my stint at ABB and then Siemens.
For the last 2 years I have been consulting with various individuals and companies with regards to Power Supplies, AC-DC convertors, Electric Vehicles etc