$2-1$: Draw the ideal switching waveforms of target design $($both current and voltage

wavefroms$)$

$2-2$: Derive all the necessary steady$-$state equation of the target design in terms of the symbols

in $($VIN$,$ VOUT, C$1,$ R and L$1)$ and switching frequency, f sw$,$

$2-3$: Draw the ideal switching waveforms of semiconductors

$2-4$: Select your target topology components

$2-5$: Determine the target semiconductor loss

$2-6$: Design your own cooling solution for the target design

The Onboard Battery Charger, for AC$/$DC $(120$Vac input$)$ compatible, with $400$ Vdc and $48$Vdc batteries