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2 of the ES55242-140M-200AV might work interleaved @ 20khz per inductor to make 70A@510v combined from 144v, not real sure how to compute inductor losses though. Just resistive would be about 12watts apiece, 215 peak inductor current, avg ~107 (triangular). 1.1mOhm.
reduce the duty cycle or the load or the frequency and it gets discontinuous (though the inductor is ramping from ~0-215A as it is). Though I realize I'm proposing %100 current ripple here, so gonna be some AC losses...
Last edited by P-hack; 01-11-2015 at 09:21 PM..
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