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LP8731-Q1 variation of switching frequency

tateo yamashiro
Guru 10890 points
Other Parts Discussed in Thread: LP8731-Q1

Hi,

My customer has question about LP8731-Q1.
Could you tell me about questoin?

[Question]
- How much is the variation of switching frequency?
  There are fosc(min)=1.7MHz and minimum switching frequency=1.6MHz in datasheet.

Best Regards,
tateo

  • 0
    TI__Prodigy 140 points

    Hi,


    I think that 1.7MHz is the correct one and 1.6MHz is a typo but need to check with design to confirm. The electrical specs are with Vin=3.6V. Of course, if you use 1.6MHz for calculating the ripple, then you're on safe side on inductor selection.


    BR,

    Jussi