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UC3843: Buck controller selection for HVDC 3KW buck circuit

Part Number: UC3843

Hi Team,

Please suggest a suitable controller for synchronous rectification Buck circuit and could you provide the reference design? Thanks!

A: Input voltage: 400V~800VDC

B: Output voltage: 300VDC

C: Output current: 10A

D: Non-isolated

E: Power Switch : IGBT

Best Regards!