LM2596 generation - 5V voltage simulation failed

This is a discussion on LM2596 generation - 5V voltage simulation failed within the Contests & Competitions forums, part of the TechREACTION category; Hi,I was going to use LM2596 to produce the -5v output, but I did the simulation on the datasheet, and I couldn't get the normal ...

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    LM2596 generation - 5V voltage simulation failed

    Hi,I was going to use LM2596 to produce the -5v output, but I did the simulation on the datasheet, and I couldn't get the normal result.

    The simulation circuit I drew is as follow.



    The circuit in Datasheet is as follow.



    When my set-up on the analysis parameters - working point with the initial condition was no, dc simulation failed. The reason for the error is working point was not found. When working point was yes,the output of voltage was more than 900 uV.

    So I want to ask if there was something wrong in my operation?Or is there a negative voltage that we can't do?
    Last edited by cayla; 08-25-2017 at 01:38 AM.

 

 

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