QUESTION 1 A buck converter has the following parameters: Vo VIN = 40 V Source v

Question

QUESTION 1 A buck converter has the following parameters: Vo VIN = 40 V Source voltage fs 100 kHz Switching frequencyL-75 HH Filter 12 V Reference output voltage :0.4 ESR of the capacitor Vrp 10 V Peak ramp voltage for PWM Filter capacitance Ro=6 Load resistance The converter uses a voltage feedback control with a simple proportional control. Find the steady state error for a proportional gain of 10 O 3.33% 0 1.25% o 25.7% 0 2.44% QUESTION 2 For the converter of problem 1, find the gain needed for a 1% error O 9.85 33.33 24.75 O 12.75

Explanation / Answer

QUESTION 1

Steady state error for a proportional gain of 10 is 3.33%

ANS : 3.33 %

QUESTION 2

Gain for 1% is error is 33.33 %

ANS : 33.33%

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