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LM5116
Related Posts

  • Forum Post: LM5116 PWM buck controller

    jarod salsman
    I designed two different buck converters in 2010 using the LM5116 PWM controller. One was a 5V, 5W supply. The other was a 12V, 2W supply. I have been struggling with the 12V supply ever since. Today I was at a different computer than my own so I re-downloaded the data sheet. The newer data sheet has...
    on Mar 20, 2012

  • Forum Post: LM5116 Output Voltage Issue

    NICK VELADO88916
    Hi, I have implemented an LM5516 to step our DC input down to 9V, using Webbench Designer with inputs of Vin min = 10V, Vin max = 55V, Iout = 3A. Using the output design, with slightly different parts in certain cases, the output voltage of the regulator seems to be less than expected, with more than...
    on Mar 21, 2012

  • Forum Post: RE: Question about LM5116

    EricLee1880267
    Hi You don't need to connect the negative voltage to the VCC pin. The negative voltage is just to generate an ideal negative ramp slope. Eric
    on May 21, 2012

  • Forum Post: LM5116 Switching Noise

    Cam Buskell
    Hello. I have a design to take 60-80 volts in, and regulate it to 15V. My actual output is something around 16.4V, but that suits my application well enough as this feeds other power lines. My issue is with my switching noise. I'm currently sitting at roughly 1.2V worth of switching noise. ...
    on Apr 18, 2012

  • Forum Post: RE: Failure modes for LM5575 and LM5116

    EricLee1880267
    Hi You can find the reliability information of LM5116 at http://www.national.com/popr/LM5116.html#reliability . Also you can find the more detailed information by clicking the link at the bottom of this page. Regards, Eric
    on Aug 20, 2012

  • Forum Post: Failure modes for LM5575 and LM5116

    zeus escudero
    Dear Community: I need to know the failure modes for DC-DC converters LM5575 and LM5116, the mean time between failures and the percentages for each failure mode for appearing. Where can I find such information or where can I ask for it? Thank in advanced Zeus
    on Aug 20, 2012

  • Forum Post: RE: LM5116 Voltage ringing?

    EricLee1880267
    Hello Paul Do you mean that LM5116 was switching initially and then stops switching after you applied a stiff 50V and never restarted unless you turn the power source off and on again ? Regards, Eric
    on Aug 27, 2012

  • Forum Post: RE: LM5116 Voltage ringing?

    EricLee1880267
    Hello Paul My feedback will go through Kurt Schmidt. Regards, Eric
    on Aug 27, 2012

  • Forum Post: RE: LM5116 Keeps Failing

    EricLee1880267
    Hi I'm not sure this is the case you are seeing. First possibility is shoot-through, because LM5116's adaptive dead-time monitors HO-SW and LO-GND voltages, dead-time cannot be guaranteed if there is a gate resistor. Check your dead-time. Another possibility is dv/dt induced turn-on, it is...
    on Nov 9, 2012

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