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LM3481: Lowest Fsw support

Roy Chou1
Genius 16170 points
Part Number: LM3481

Hi Team,

I would like to know if I set Fsw = 70kHz. Do we have any risk of LM3481 by using this Fsw? (IC level)

Roy

  • 0
    TI__Guru* 78370 points

    Hi Roy,

    Thank you for reaching out.  We should not recommend using the product beyond the datasheet recommended range.  According to the datasheet cover page, the min frequency should be 100kHz.  At 70kHz you may see the circuit works but we do not guarantee the performance. 

    Thanks,

    Youhao Xi, Applications Engineering