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TINA/Spice/LM25085: The question about On-time for LM25085

Eric Jin
Intellectual 1165 points
Part Number: LM25085
Other Parts Discussed in Thread: TINA-TI,

Tool/software: TINA-TI or Spice Models

Hi, 

I use TINA to simulate the 24V to 23V power solution by LM25085. I set the on-time as 2.7us by RT and VIN value. But I found that the on-time period is around 66us when the output voltage is set at 23V. so very confused. could you please share some suggestions for me? thanks. 

BR,
Eric