in the design of the buck converter we should select the val

       

in the design of the buck converter we should select the value of the inductor to maintain the CCM operation (continuous conduction mode) and the capacitor value to maintain the ripple voltage 10%.
thanks for your help

Solution

DUTY CYCLE MAX = 9/12= 0.75

DUTY CYCLE MIN = 9/18 = 0.5

we need 2 inductor

2 capacitor 1 switch, 1 diode

induCtor rating =25H

CAPACITOR RATIONG = 15microfarad

diode works unirectly

V = L. di/dt

L = 25 H

i = 36 A

rated power = 20W = V2 /Z

Z =450 ohm

 in the design of the buck converter we should select the value of the inductor to maintain the CCM operation (continuous conduction mode) and the capacitor val

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