This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

UCC28730-Q1: UCC28730-Q1

Part Number: UCC28730-Q1

Hi,

Attached file slum527 is simulation file from TI website, it is a 5V/2A output with a minium Vin around 86V

Attached file Vin_50V_Vout_12v is a new design simulation file based on slum527, I modify the Rcs,Rs1,Rs2 for a new design of (Vin min=50V, Vout=12V/1A ), and also the transformer model is replaced with wurth model.

But from the simulation result ,the Vout can only rise up to about 8V at about 8ms and then goes flat, can you run the simulation file directly in your side and let me know the reason ?

slum527.zipVin_50V_Vout_12v.zip750816130 datasheet.pdf