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TI Home » TI E2E Community » Support Forums » Power Management » AC/DC and Isolated DC/DC Power » AC/DC and Isolated DC/DC Power Forum » UCC28600 input voltage range
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UCC28600 input voltage range

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Pradeep Gopalakrishnan
Posted by Pradeep Gopalakrishnan
on Feb 25 2012 02:49 AM
Prodigy30 points

Hello,

We are considering using UCC28600 for a flyback converter design. The input voltage range takes on a wide range from 15VDC - 400VDC. The output is +/-5V, 0.5A. 

My question: is UCC28600 suitable for operation with this wide range of input voltages? If no, can anyone suggest an alternate part for this requirement? 

Thanks in advance!

Pradeep.

ucc28600
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  • Vincenzo Pizzolante
    Posted by Vincenzo Pizzolante
    on Feb 25 2012 16:19 PM
    Genius9550 points

    have a look at our reference design library at the link

    http://www.ti.com/lsds/ti/analog/powermanagement/reference_design.page

    Vincenzo

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  • Pradeep Gopalakrishnan
    Posted by Pradeep Gopalakrishnan
    on Feb 27 2012 03:04 AM
    Prodigy30 points

    Thanks Vincenzo.

    Vincenzo Pizzolante

    have a look at our reference design library at the link

    http://www.ti.com/lsds/ti/analog/powermanagement/reference_design.page

    Vincenzo

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  • Lisa Dinwoodie
    Posted by Lisa Dinwoodie
    on Feb 28 2012 13:45 PM
    Genius11810 points

    I would not recommend the UCC28600 for such a wide input voltage range.  At low line, the controller would need to switch at a frequency that is below its minimum frequency clamp and no one would be happy with the result of such an attempt.

    Lisa Dinwoodie

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  • Pradeep Gopalakrishnan
    Posted by Pradeep Gopalakrishnan
    on Feb 28 2012 21:09 PM
    Prodigy30 points

    Thanks a lot Lisa, for your inputs!

    Do you have any suggestions about an alternate part that would be suitable for this?

    Regards,

    Pradeep.

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  • Lisa Dinwoodie
    Posted by Lisa Dinwoodie
    on Feb 29 2012 10:03 AM
    Genius11810 points

    well... I can't think of any off hand that would support such a wide input range.

    Lisa Dinwoodie

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