Better circuits for SMPS ?

Dave Zan said:
Buck also opens and closes it's switch..

Yes, but the LC filter circuit remains intact (and LTI) irrespective of the switch positions, as the sole effect of the switches are the application of 0V and Vdc to the (same) LC filter circuit. Thus, only the input voltages to the filter change upon switching (not the filter itself), giving a simple response for the buck converter.

Dave Zan said:
Will soon see if it my ideas actually have any truth in them...

Well, best of luck, but be careful not to get carried away by simulations, as reality is a lot different when it comes to power electronics stuff.
 
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