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What if analysis
Related Posts

  • Forum Post: Re: gain and phase margin

    Heath Gallimore
    To read gain and phase margins from the chart directly, it's easier if you turn off the curves except for Total Gain and Total Phase. Find the place where the gain crosses over zero db. Move up the chart until you see where the phase curve intersects that freq. Using the markings on the right side...
    on Jul 28, 2009

  • Forum Post: SwitcherPro on line

    rdeakers
    The caculate button in the components "what if" section does not properly calculate the lower votlage setting resistor if the upper resistor is change. Discovered this on a TPS40200 design.
    on Jan 29, 2010

  • Forum Post: TPS54x18 Switcher Pro What If Analysis issue

    Mark Guastaferro
    I found that when using the What If analysis tool on the TPS54418 to look at adjusting the copensation, performing a calculation on the Poles and Zeros option would throw the total gain result way out of whack. The results would show crossover freq at 0 Hz and gain Margin of -1 deg no matter what values...
    on Mar 4, 2010

  • Forum Post: Changing conditions in SwitcherPro

    Dave Pulvermacher
    I am using SwitcherPro v3.8. I am looking at the TPS61175 EVM design and would like to look at some "What-If" scenarios. BUT, every time I change anything I get an error when I hit Calculate. (It states "Can not perform calculation. Power stage conditions are invalid. Use the 'Power...
    on Sep 17, 2010

  • Forum Post: SwitcherPro Online-Version TPS40055

    Bernd Seene
    Hi TI, in the TPS40055 there must be several errors: Look at the BOOST-Pin, that is connected over an resistor direkt to the SW-node. (In the Desktop Version it is correct connected over an capacitor) Look at the SW-Pin that is connected over an capacitor. (In the Desktop Version it is correct...
    on Oct 8, 2010

  • Forum Post: Changing the feedback resistors in SwitcherPro

    Mike Score
    It would be nice to be able to change the feedback resistors in SwitcherPro. The text is red and bold, so it looks like it should be able to be changed. In some of the models, (many of the internally compensated devices like TPS62200) it allows you to change the feedback resistors in the compensation...
    on Apr 26, 2010

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