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+//Finding the currents and Voltages in the Boost Regulator

+//Example 5.6(Page No- 194) 

+clc

+clear

+//given data

+Vs = 5;//V

+Va = 15;//V

+f = 25*10^3;//Hz

+L = 150*10^-6;//H

+C = 220*10^-6;//F

+Ia = 0.5;//A

+

+//part(a)

+k = 1-(Vs/Va);

+printf('(a)\t The duty cycle k:%.2f or %.2f%%',k,k*100);

+

+//part(b)

+del_I = (((Va-Vs)*Vs)/(f*L*Va));

+printf('\n (b)\t The ripple current of inductor: %.2fA',del_I);

+

+//part(c)

+Is = Ia/(1-k);

+I2 = Is + (del_I/2);

+printf('\n (c)\t The peak current of inductor: %0.3f A',I2);

+

+//part(d)

+del_Vc = (Ia*k)/(f*C);

+printf('\n (d)\t The ripple voltage of filter capacitor %.2f mV',del_Vc*10^3);

+

+//part(e)

+R = Va/Ia ;

+Lc = ((1-k)*(k*R)/(2*f));

+Cc = (k/(2*f*R));

+printf('\n (e)\t The critical value of inductance Lc: %d uH',Lc*10^6);

+printf('\n \t The critical value of Capacitance Cc: %0.2f uF',Cc*10^6);