$ 0 0 Part Number:UC3843Tool/software:TINA-TI or Spice ModelsOn UC3843's product folder, http://www.ti.com/product/UC3843/toolssoftware, the model provided was for UCC28C43 instead of UC3843.Are they exactly the same? How can we assure customer that they can use UCC28C43 model for UC3843?