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In a Buck de-de converter, that is operating in de steady state under the following conditions: P. (W) V. (V) Duty-ratio D 150 0.3 (V) 42 Switching frequency f, (kHz) 400 Assume ideal components and continuous conduction mode. If the output voltage is kept constant while the input voltage Vin is allowed to vary ±10% from the value in the above table, and the output power Po can vary from 30% to 100% of the value in the above table. Find the minimum value of the inductance that guarantees continuous conduction. (Hint: When output voltage is kept constant, use Pomin condition to determine minimum inductance value to guarantee CCM. At BCM, I₁=1, = min(1-Dmax), where Dmax = Vo/Vinmin) V₂ 24mins 2. Use the inductance of about 115% of the minimum value obtained from Problem 1, find the output capacitance that guarantees peak-to-peak output voltage ripple of less than 1% of the average output voltage (Avop-p ≤ 0.01). (Avop-p=; neglecting capacitor's ESR) B,C

In a Buck de-de converter, that is operating in de steady state under the following conditions: P. (W) V. (V) Duty-ratio D 150 0.3 (V) 42 Switching frequency f, (kHz) 400 Assume ideal components and continuous conduction mode. If the output voltage is kept constant while the input voltage Vin is allowed to vary ±10% from the value in the above table, and the output power Po can vary from 30% to 100% of the value in the above table. Find the minimum value of the inductance that guarantees continuous conduction. (Hint: When output voltage is kept constant, use Pomin condition to determine minimum inductance value to guarantee CCM. At BCM, I₁=1, = min(1-Dmax), where Dmax = Vo/Vinmin) V₂ 24mins 2. Use the inductance of about 115% of the minimum value obtained from Problem 1, find the output capacitance that guarantees peak-to-peak output voltage ripple of less than 1% of the average output voltage (Avop-p ≤ 0.01). (Avop-p=; neglecting capacitor's ESR) B,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
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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In a Buck de-de converter, that is operating in de steady state under the following conditions: P. (W) V. (V) 150 (V) 42 Switching frequency Duty-ratio f (kHz) 400 D 0.3 Assume ideal components and continuous conduction mode. If the output voltage is kept constant while the input voltage Vin is allowed to vary ±10% from the value in the above table, and the output power Po can vary from 30% to 100% of the value in the above table. Find the minimum value of the inductance that guarantees continuous conduction. (Hint: When output voltage is kept constant, use Pomin condition to determine minimum inductance value to guarantee CCM. At BCM, I₁ = 1,=amin (1-Dmax), where Dmax = Vo/Vinmin -) 24min/s 2. Use the inductance of about 115% of the minimum value obtained from Problem 1, find the output capacitance that guarantees peak-to-peak output voltage ripple of less than 1% of the average output voltage (Avop-p ≤ 0.01). (Avop-PC neglecting capacitor's ESR) راه
Transcribed Image Text:In a Buck de-de converter, that is operating in de steady state under the following conditions: P. (W) V. (V) 150 (V) 42 Switching frequency Duty-ratio f (kHz) 400 D 0.3 Assume ideal components and continuous conduction mode. If the output voltage is kept constant while the input voltage Vin is allowed to vary ±10% from the value in the above table, and the output power Po can vary from 30% to 100% of the value in the above table. Find the minimum value of the inductance that guarantees continuous conduction. (Hint: When output voltage is kept constant, use Pomin condition to determine minimum inductance value to guarantee CCM. At BCM, I₁ = 1,=amin (1-Dmax), where Dmax = Vo/Vinmin -) 24min/s 2. Use the inductance of about 115% of the minimum value obtained from Problem 1, find the output capacitance that guarantees peak-to-peak output voltage ripple of less than 1% of the average output voltage (Avop-p ≤ 0.01). (Avop-PC neglecting capacitor's ESR) راه
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