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TPS40210: 12VDC to 100VDC converter

Hussain Kaddori
Prodigy 70 points
Part Number: TPS40210


Hi,

I used WEBENCH Design tool to design a DC/DC converter 

My question is "Can I use cermaic capacitor array 5x 10uF 50V instead of 33uF 250V Aluminium Electrolytic Capacitor because I have a problem with size of 33uF capacitor" ?

  • 0
    TI__Guru* 78675 points
    The AL Elect cap also serves as boot of storage and damping of the output filter. Ceramic and L will produce a high Q filter which must be damped for stability concerns. If you can close your loop to a lower bandwidth, you may be okay with only the ceramic caps. Otherwise, you will need to do something damping. Check if a 10uF AL ELEC cap can fit.