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TINA/Spice/UCC28070A: how to start simulation

Part Number: UCC28070A
Other Parts Discussed in Thread: TINA-TI, UCC28070

Tool/software: TINA-TI or Spice Models

Hi,

By using this controller my question is how to start simulation because at qtartiong there is no current following in the PFC therefore the GDA and GDB pins are not active and we cannot switch the pfc transistor

how can setup the controller to active the switch at starting