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maybe you can use Pspice to simulate the switch power supply's work.
the best way is that design a simplest circuit by yourself, and make it work, then see its waveform and analyse why it is in case.
Well a good start coul be to visit www.powerint.com
Download their PI Expert soft wich will help in the design.
They have app´s notes that will teach U a lot. See also their ER ( engineering reports ) wich contains complete SMPS designs including PCB lay out. This is very important !!!
I attach a file wich contains many links to places wich has lot of info.
Also have a look at www.onsemi I suggest U try a sofware. Power 4-5-6 although is a limited version this will fast your component selection.
Hi there, I agree that it is good to develop a basic one and observe to learn.
However, if you insist to first try to simulate, you can try Linear Tech. Sorry to say that I cant provide you the exact link to this software but I believe you should be able to google for it.
As for developing one to observe and learn the behaviour of the switch mode power supply circuitry, I suggest you to start with a basic boost DC/DC converter, which is much easier as compare to others.
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