Laporan Buck Converter.pdf - LAPORAN Simulasi Rangkaian Buck Converter Oleh KELOMPOK 4 I Kadek Adi Permana(1815333014 Kadek Deny Sukrisna(1815333016

# Laporan Buck Converter.pdf - LAPORAN Simulasi Rangkaian...

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LAPORAN Simulasi Rangkaian Buck Converter Oleh: KELOMPOK 4 I Kadek Adi Permana (1815333014) Kadek Deny Sukrisna (1815333016) PROGRAM STUDI TEKNIK LISTRIK JURUSAN TEKNIK ELEKTRO POLITEKNIK NEGERI BALI DEPARTEMEN PENDIDIKAN NASIONAL DENPASAR 2020
Perhitungan Vi = 12 Volt Vo = 3 Volt D = Vo/Vi = 3/12 = 0,25 = 25% T = 40 μs T( ON ) = DT = 0,25 x 40 μs = 10 μs T( OFF ) = T - T( ON ) = 40 μs 10 μs = 30 μs f = 25 kHz = 25000 Hz Δ IL = 0,6 A IL max = 3,5 A IL min = 2,9 A Δ Vc = 10 mV = 0,01 V 𝛥𝐼𝐿 = (𝑉𝑖 − ? 𝑉𝑖) ?𝑇 𝐿 0,6 = (12 − (0,25 𝑥 12)) 𝑥 10 𝐿 𝐿 = (12 − (0,25 𝑥 12)) 𝑥 10 0,6 𝐿 = 90 0,6 𝐿 = 150 µH 𝛥𝑉𝑐 = ?(1 − ?)𝑉𝑖 8 𝑓² 𝐿? 0,01 = 0,25 𝑥 (1 − 0,25) 𝑥 12 8 (25000) 2 (0,00015)? ? = 0,25 𝑥 (1 − 0,25) 𝑥 12 8 (25000) 2 (0,00015) 𝑥 (0,01) ? = 2,25 7500 ? = 0,0003 𝐹 = 300 µF
Io = IL (avg) = IL max - ( ΔIL /2) = 3,5 (0,6/2) = 3,5 0,3 = 3,2 A ID (avg) = Io (1 D) = 3,2 (1 0,25) = 3,2 (0,75) = 2,4 A Isw (avg) = D Io = 0,25 x 3,2 = 0,8 A 𝐼𝑜 = ? 𝑉𝑖 𝑅 3,1 = 0,25 𝑥 12 𝑅 𝑅 = 3 3,2 𝑅 = 0,937 ohm Pemilihan Komponen
Saklar Komponen penyaklaran yang digunakan MOSFET tipe AO6408. Hal ini dilakukan karena mosfet ini memiliki Isw sebesar 1,66 A, jauh lebih besar daripada nilai Isw

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