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Application of UC2825

Cilmo Oliveira
Prodigy 10 points
Other Parts Discussed in Thread: UC2825

I am designing a dc to dc converter using UC2825. The information in the data sheet does not define each pin os this IC. I need more information about this IC mainly circuits sugestions. If someone can help me send me more information. I will apreciate this. 

Thanks,

Cilmo.

  • 0
    TI__Mastermind 25130 points

    Cilmo,

    I gather that you are new to the operation of power converters and control loops.  The application note that goes with the part shows a typical circuit for the operation of the device.

    http://www.ti.com/lit/an/slua053/slua053.pdf 

    This particular design uses current mode control  as opposed to voltage mode control. If you want to use voltage mode control instead of current mode control the differences in the connections are shown on the bottom of page 5 of the specification.

    I've included a paper with appendix to hopefully provide you with some understanding of how things should work.

    Regards,

    John

    seminar papers.zip