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TPS54327 frequency's deviation

Kocela Chang
Intellectual 280 points
Other Parts Discussed in Thread: TPS54327

hi guys:

how much is frequency's deviation for TPS54327?

thanks

  • 0
    TI__Guru**** 191445 points

    The TPS54327 does not have a set frequency or internal oscillator.  It operates on adaptive on time, smihysteretic off time to control the switching period for each individual cycle.  Figure 9 in teh datasheet shows teh variation of "nominal" switching frequency with respect to input voltage and output voltage.  But the actual switching period will vary with each individual switching cycle.  It is application dependent and is ot characterized.