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TI Home » TI E2E Community » Support Forums » Power Management » Non-Isolated DC/DC » Non-Isolated DC/DC Forum » All Tags » No output
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No output
  • High current draw
  • TPS40200-HT
  • TPS54620
Related Posts
  • Forum Post: TPS40200-HT Draws too much current / No output

    Cam Buskell Cam Buskell
    Hello. I am using the TPS40200 to drop a regulated 18V down to 5V in conditions up to 180C. I will need an average of 500mA. And a max current of maybe 800 mA. I am using the SwitcherPro schematic shown here: The FET that I am using is IRF9630 and the inductor is Wurth 74477120. I am using a 3...
    on Nov 5, 2011
  • Forum Post: Re: tps54620 no output when loaded

    JohnTucker JohnTucker
    The TPS54620 should regulate with no load. The first thing I would do is remove the resistor divider from Vin to EN and GND. It looks like your start voltage is set to 5.2 V. After that check the PH node voltage with a scope and see if the devices are switching. Let me know what you find. Please post...
    on Apr 5, 2012
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