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100V stepdown buck

Discussion in 'Electronic Design' started by Jamie Morken, Feb 28, 2004.

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  1. Jamie Morken

    Jamie Morken Guest

    Hi all,

    I am using the simple switcher module which has 40V max input
    but I'd like to have my circuit be able to take 100Volts max input and still
    output 12V/1Amp. Anyone know of a buck converter that will be able to
    output 12V/1Amp+ from an input voltage ranging from 24V to 100VDC?

  2. Paul Mathews

    Paul Mathews Guest

    The following all have high voltage buck chips with integrated switch:

    Power Integrations, ST, On, Fairchild, Infineon

    Note that you can use many flyback controllers in the buck application
    without isolation, and some of their app notes will explain this.

    There may be others.
    Paul Mathews
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