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LM5163-Q1: LM5163-Q1

Adhithiyan Perumal
Prodigy 10 points
Part Number: LM5163-Q1
Other Parts Discussed in Thread: LM5163

DC DC Converter-Ti.xlsx

Incase if the file is not accessible, please find the problem below

System Inputs

VIN = 16V to 32V

IOUT = 0.2A

VOUT = 12V

The system inputs are fed into WEBENCH designer and the schematic suggested by the designer is 

The schematic drawn in simetrix 

The output voltage is not stable even though the switching is proper

Could you please support us in identifying the issue ?

https://docs.google.com/spreadsheets/d/1620b7fTfap6h3FqHOqMDAVBq-gXDhlySIxyl8IF3Mv0/edit#gid=0

  • 0
    TI__Guru 72655 points

    Hi A.P.

    Thank you for designing with the LM5163.  Sorry our serve does not allow me to download your google doc file.

    Anyway, I am not sure if your transfer of the pspice model to Simplis causes any errors.  Could you simulate with TINA, or Pspice, or Pspice for Ti?

    Thanks,

    Youhao