基于uc3842的反激式開關(guān)電源的設(shè)計(jì)word格式源文件(已修改)
2024-12-03 21:45 本頁面
【正文】 目錄 ......................................................................................................................2 為什么要有開關(guān)電源？ .............................................................................2 開關(guān)電源背景 .............................................................................................3 ..............................................................................................4 反激式開關(guān)電源的核心原理說明 ............................................................4 系統(tǒng)設(shè)計(jì)構(gòu)成框圖 ....................................................................................6 各部分電路功能概述 ................................................................................7 總體實(shí)現(xiàn)電路圖 ........................................................................................8 ......................................................................................................8 EMI 濾波電路 .............................................................................................8 鉗位電路 .....................................................................................................9 開關(guān)控制電路 ...........................................................................................10 變壓器參數(shù)設(shè)計(jì) ....................................................................................... 11 輸出濾波電路 ..........................................................................................16 反饋取樣電路 ...........................................................................................17 ................................................................................................19 ....................................................................................................................21 參考文獻(xiàn) ...............................................................................................................21 湖北師范學(xué)院 2020 屆物理與電子科學(xué)學(xué)院學(xué)士學(xué)位論文 1 反激式 開關(guān)電源設(shè)計(jì) 周平 （湖北師范學(xué)院物理與電子科學(xué)學(xué)院 湖北 黃石 435002） 摘要： 在電子信息高速發(fā)展的時(shí)代，電源占據(jù)著重要的低位，尤其在弱電領(lǐng)域，人們不斷地追求著低功耗，高效率，環(huán)保的高品質(zhì)生活，這樣對(duì)電源的研究就成了其中一個(gè)重要的話題，本論文意在學(xué) 習(xí)和設(shè)計(jì)一種反激式開關(guān)電源，并從理論的角度分析高頻變壓器的設(shè)計(jì)。 關(guān)鍵詞： 反激，開關(guān)電源，高頻變壓器 中圖分類號(hào)： TQ351 Designing Switching Power Supplies Zhou Ping ( College of Physics and Electronic Science, Human Normal University, Huangshi 435002, China ) Abstract: In the era of rapid development of electronic information , the power to occupy an important low , especially in weak areas , people continue to pursue lowpower , high efficiency , environmentally friendly high quality of life , so that the power has bee one of the important the topic of this paper is intended to study and design of a flyback switching power supply , high frequency transformer design and analysis from a theoretical point of view . Key words: Flyback ,Switching Power supplies , Highfrequency transformer 湖北師范學(xué)院 2020 屆物理與電子科學(xué)學(xué)院學(xué)士學(xué)位論文 2
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