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//Variable declaration
Vs=200 //dc source voltage(V)
Il=5 //current to load voltage(A)
Vl=15 //load voltage(V)
eta=.85 //efficiency
f=20 //oscillator frequency(Hz)
iSmax=2.6 //peak value of supply current(A)
P=100 //full load power supply(W)
pdf=0.4 //pulse duty factor
//Calculations
Isav=(Vl*Il)/(Vs*eta) //average peak supply current(A)
iS=(2*Isav)/pdf //supply current(A)
T=1000/f //oscillation time period(uS)
tp=pdf*T //transistor time(us)
d=iS/tp //change in iS with respect to time(A/us)
tp1=iSmax/d //transistor time(us)
pdf1=tp1/T //pulse duty factor
Isav1=(iSmax*pdf1)/2 //average peak supply current(A)
eta1=(P*100)/(Vs*Isav1) //efficiency
//Results
printf ("peak value of supply current is %.3f A",Isav)
printf ("pdf is %.3f ",pdf)
printf ("overall efficienc is %.1f %%",eta1)
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