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Original question:

LMR36510: What is the difference between LMR36510ADDAR and LMR36510FADDAR?

LMR36510: LMR36510: What is the difference between LMR36510ADDAR and LMR36510FADDAR?

PAVAN P
Prodigy 150 points
Part Number: LMR36510

Hello,

Could you please let us know which part number is having PWM and FPWM. (LMR36510ADDAR and LMR36510FADDAR)

Also, which operation PWM/FPWM has lower output ripple.

Thanks

  • 0
    TI__Genius 13735 points

    hi, Pavan,

    If you want to have a higher light load efficiency, you could choose PFM mode device without F .

    when load increase ,device enter to CCM mode, the FPWM and PFM device is the same operation ,the Vout ripple is also decided by Vout Cap, At light load, the FPWM version (with F)is better in Vout ripple because the inductor current is constant and frequency is fixed.

    Elena