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The buck regulator in Fig. 3 has an input voltage Vs = 15V. The required output voltage is Vo=12V and the peak-to-peak output ripple voltage is 8mV. The switching frequency is 20KHz. The peak- to-peak ripple current is limited to 0.5A. Determine (a) duty cycle, D  (b) filter inductance L;  (c) filter Capacitor C.

The buck regulator in Fig. 3 has an input voltage Vs = 15V. The required output voltage is Vo=12V and the peak-to-peak output ripple voltage is 8mV. The switching frequency is 20KHz. The peak- to-peak ripple current is limited to 0.5A. Determine (a) duty cycle, D  (b) filter inductance L;  (c) filter Capacitor C.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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The buck regulator in Fig. 3 has an input voltage Vs = 15V. The required output voltage is
Vo=12V and the peak-to-peak output ripple voltage is 8mV. The switching frequency is
20KHz. The peak- to-peak ripple current is limited to 0.5A. Determine
(a) duty cycle, D 
(b) filter inductance L; 
(c) filter Capacitor C.

Q, İL L lo, la Dm :C Load Vo, V. Control Fig. 3
Transcribed Image Text:Q, İL L lo, la Dm :C Load Vo, V. Control Fig. 3
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