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UCC28730: Reference design and test data for non-isolate AC/DC solution

Guru 19615 points
Part Number: UCC28730
Other Parts Discussed in Thread: UCC24650, UCC24612

Customer hope to get schematic / BOM / and efficiency data for Flyback solution (It is OK to except UCC28730).

Request spec is below;

If there any matched data, please give these data.

・Vin: AC 85V~265V

・Vout: DC 14.5V / 40W (2.76A)

・Non-Isolated solution, they want to use large inductor, not transformer.

・Required efficiency: 85% @ 100mA and 92% @ 2.76A

・In the case of not to use UCC24650 and SR controller (UCC24612, etc).

Best regards,

Satoshi