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dc to dc boost converter

Discussion in 'General Electronics Discussion' started by gurjant.sandhu33, Jan 2, 2014.

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  1. gurjant.sandhu33

    gurjant.sandhu33

    51
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    Dec 10, 2013
    i have the stepup converter but i am getting the output same as input what could be the problem. It uses a xl6009 ic.

    this is the datasheet for xl6009

    http://www.xlsemi.com/datasheet/XL6009 datasheet.pdf

    ihave attached circuit diagram image and the image of actual product.
     

    Attached Files:

  2. KrisBlueNZ

    KrisBlueNZ Sadly passed away in 2015

    8,393
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    Nov 28, 2011
    The circuit board shown in the second and third photos is a buck regulator using a National Semiconductor switching device, not a boost regulator using the XLSEMI device shown in the first diagram.
     
  3. davenn

    davenn Moderator

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    Sep 5, 2009
    hey Kris Happy NY

    LOL
    no wonder he has problems ;)


    cheers
    Dave
     
  4. KrisBlueNZ

    KrisBlueNZ Sadly passed away in 2015

    8,393
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    Nov 28, 2011
    Hiya Dave :) Happy New Year to you too mate :)

    Yeah LOL. Good on him for posting pics though.
     
  5. gurjant.sandhu33

    gurjant.sandhu33

    51
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    Dec 10, 2013
    i am sorry sir i think i posted wrong photo for the boost converter
    this is the real pic
     

    Attached Files:

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  6. (*steve*)

    (*steve*) ¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd Moderator

    25,476
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    Jan 21, 2010
    It could be that your output voltage is set to be lower than the input voltage. A boost converter cannot output a voltage lower than the input voltage, so the output potential remains pretty much the same as the input.

    Also check that you've never wired it up with the wrong polarity.
     
  7. gurjant.sandhu33

    gurjant.sandhu33

    51
    0
    Dec 10, 2013
    Ues sir actually i wired it up with opposite polarity once.
    Can this be the problem ....?
    If yes, then is there any solution.
     
  8. davenn

    davenn Moderator

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    Sep 5, 2009
    you probably damaged it

    yup, buy a new one


    Dave
     
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