TINA/Spice: Transformer-less AC to DC design for 5W , 220V AC to 12V DC.

Hello Min Htoo,

Thank you for your interest in TI products. Please check this link to the Tools & software page of the UCC28880 product folder on the TI website: www.ti.com/.../toolssoftware

You can select both a PSpice model and a TINA-TI model for the device and a TINA-TI model for a reference design. You can then modify the reference design to suit your application.

Regards,
Ulrich