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What will be the voltages across capacitor C1 and inductor L1 in terms of Vg,D,R? From the amp charge balance equation, i1=-io *D because i2=io.From my observation, Vc1= Vg for 0<T<DTs and Vc1= Vg-vL1 for DTs<T<Ts. But I can't reach the equation of VL1 and Vc1 using Vg,D,R. Please help me to express the equations.

  • \$\begingroup\$ Use a simulator is my advice. \$\endgroup\$ – Andy aka Nov 3 '20 at 9:34
  • \$\begingroup\$ Does this answer your question? Buck converter using LC input filter \$\endgroup\$ – Unimportant Nov 3 '20 at 11:35
  • \$\begingroup\$ Actually I am a newbie in power electronics... The material you provided was too difficult for me to understand. I got the answer Vout=DVg and I1=-DIout but facing difficulty in input filter observation \$\endgroup\$ – Camila's voice Nov 3 '20 at 12:53

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