boost converter

[loganathan]

hi, i hav soft switching boost conveter with gain 3.1 but i have to improve my gain .so i used multilevel boost converter with my soft switching boost converter.but it has more current ripples in switch.how it can be reduced with soft switching.............

 

[Ubergeek63]

use a dual inductor in series connection... switch at the tap. it changes from ~70% to ~50% duty cycle
no soft switching required