开关电源中变压器及电感设计3

7.1.8 ↨䗝㑻ϔ㠀⬉ 䕗催ˈ䇗 㑻 ↨ϡ 䲒DŽ⃵㑻ϔ㠀 䕗 ˈ ԰乥⥛䍞催ˈ⃵㑻 㛑 ϔ ˈ⫮㟇 Ѣϔ ˈ ˈ ↨䇃 ˈ 䍋Ⳍ 䯂乬DŽˊ ⱘ䕧 ⬉ ↨䕗Ԣ ˈ՟ 5Vˈ⫮㟇1V ˈ䰤 њ ↨ⱘ䗝 DŽ5V䕧 ⃵㑻 㛑 1 2 ˈ↣Ͼ㒓 䰊 1 2 DŽ䅵ㅫ㒧 1.5 ˈ 㛑䗝 2 ˈЎ ⱘ ↨ˈ 㒓 25ˁDŽⳌ ⱘ⺕㢃 に ˈ㽕 ⱘに Ё㒩ϡϟ 㒓 DŽ њ⬉⌕ ˈ њ㒓 㗫DŽ Пˈ䗝 1 ˈԚ⺕㢃Ёⱘ⺕䗮 1/3ˈ⺕㢃 㗫 㛑 ϔ DŽ㱑✊≵ 䗮⫼ⱘ 䗳ⱘ䗝 ↣Ͼ㒓 Ӭ ⱘ ⊩ˈԚ ϔ㠀㾘 DŽ佪 ˈ 乱 U i D 䖒 䕧 ⬉ ⱘ㒓 П䯈ⱘ⧚ ↨DŽ ⴔˈ 䗝 ⺕㢃 ˈ∖ ↨ ˈԚϡ 䰙䳔㽕ⱘ DŽ 㹋 ⧚ˈ䆩䆩 Ͼ 㛑DŽҢ Ԣ⬉ ⃵㑻 ˈ Ў ⱘ ⱒ ↨ DŽ⡍ Ԣ䕧 ⬉ ⱘ⃵㑻䕧 䋳䕑 ⥛ˈ㗠Џ 䏃䇗㡖ⱘг Ԣ 䕧 ˈ Ԣ⬉ ⃵㑻 Ϟ ϟ䰡 Ͼ㒓 DŽ ϟ䰡 ⺕㢃 㗫ˈϞ 㒓 㗫DŽ ⱘ 㗫 ˈ 乏䞡 䗝 ⺕㢃ˈҹ ҙ䳔㽕 䇗 DŽԢ ⃵㑻 ↨䗝 䲒DŽ՟ 12V 5V⃵㑻 ↨ 2.5:1ˈ 5Vⱘ⃵㑻2 ˈ12VЎ5 DŽԚ 5V⃵㑻ҙ1 ˈ䙷М12V⃵㑻ҙ 䗝3 ˈ䖭ḋՓ䪰 㗫 DŽ䖭Ͼ䯂乬 䗮䖛 ↨㾷 DŽ䕗催⬉ ⃵㑻 䲒䕗 DŽԚϔ㠀 ⦃ˈ⬉ ㊒ 䋳䕑 Փ〇 㛑 ˈ䗮 䳔㽕ϔϾ 㒻㒓 ⱘ 䇗㡖 DŽ ⫼䕗 ⱘ ⺕䇗㡖 DŽ⦄ҷ䲚 ⬉䏃կ⬉⬉ 䍞 䍞Ԣˈ՟ 1.2~1.8Vˈ ԰乥⥛ 100kHzҹϞ ˈ䅵ㅫ ⱘ ⱘ ˈ՟ 1 ˈ Ѣ1 ˈ㗠Ϩ ϡ DŽ ˈՓ ԧ⿃ 㗫 ˗ℸ ˈ 䏃䕧 ˈ ϔ䏃䯁⦃䇗㡖ˈ㗠 䏃䳔㽕䕗㊒⹂ⱘ ↨㦋 ⒵ ⱘ䕧 ⬉ ㊒ DŽ ˈ⬉ 䇃 ˈ䳔㽕 㑻㒓 〇 䇗㡖˄ ⺕䇗㡖 ˅ˈ 䖭ѯ 䞛⫼ ˈ ԧ⿃ 㗫DŽԚ ˈ ⧚ϡ ˈ ⱘ ⓣ DŽ䖭䞠ҟ㒡ϔ㠀 ⧚ ⊩DŽ˄1˅ ⧚㒓 Ϟ⬉ ЎUˈ Ё Ϟ㒩N 㒓 ˈḍ ⬉⺕ ↣ ⱘ⺕䗮 䞣'BA T U Neon(7-2)ЁT onˉU 㒓 Ϟⱘ 䯈(s)˗A eˉ⺕㢃Ё 䴶⿃(m2)˗Bˉ T on 䯈⺕㢃Ё⺕䗮 䞣˄T˅DŽE ⺕㢃ˈϸϾ䖍 䴶⿃Ⳍㄝˈ ㄝѢЁ 䴶⿃ⱘϔ DŽϔϾ㒓 ˄ 7-1˅ 㒩E ⺕㢃䖍 ˄ 1(a)ЁA˅ˈ 㒩Ё 䖬 㒩ϔϾ䖍 ˄ 1(a)ЁB˅˗ ⫼ĀXā⺕㢃ˈ㒓 ⱘ 䯈 㒓( 1(b)ЁAǃBǃC)ˈ㒓 㒩䖍 ⱘϡ ˈ 䗴 ϡ ⱘ DŽ՟ 7-1(a)㒓 Aˈ 㒩䖍 ⱘ㒓 ˈ ⱘ⺕䗮 Ё ⱘϔ ˈ䖭Ͼ㒓 Ϟⱘ ⬉ ЎUBTAFone'2(7-3)9495˄7-2˅ЁN =1ˈ (7-3)Ў ˄7-2˅ⱘϔ DŽ 㒓 A Ⳍ ѢЁ 㒓 ⱘ DŽ䖭 䇧DŽ 㾕 7-1(a)㒓 B 㒩Ё ϔ ˈ ϔ 㒩ϔϾ䖍 Ё ˈ䖍 Ё ⺕䗮 Ⳍ ˈⳌ Ѣϔ Ё ⺕䗮ˈ 㒓 B ㄝ Ў1.5 DŽ⧚ˈ 7-1(b)ⱘ Ͼ䖍 ⱘ⺕䗮 Ё ⱘ1/4ˈ ℸ ⦄ЎA,B,C Ў1.25ǃ1.5 1.75 DŽ 7-2ЎE ⺕㢃 ㄝ ⺕䏃DŽ 㑻㒓 㒩 Ё Ϟˈ⃵㑻㒓 Ёϔ 㒩 䖍 Ϟˈ ϔϾ Ϣ ԭ⃵㑻І㘨DŽЁ ⱘ⺕ ЎG 1=­A 1/l 1ˈ䖍 ⱘ⺕ ЎG 2=­A 2/l 2˙G 3˄A 3=A 2ˈl 3=l 2˅DŽ≵ ⃵㑻⬉⌕ˈЁ ⱘ⺕䗮 䜡 䖍 ЁDŽҸk =G 2/( G 2 +G 3)˙A 2/( A 2 +A 3)ˉ ⱘ ⺕䗮ⱘ DŽ ¶3˙k ¶1ˈd ¶3/d t ˙k d ¶1/d t DŽѻ⫳ⱘ ⬉ ЎU U N k N i 021˄7-4˅ЁN 2ˉ ⺕䗮ⱘ⃵㑻 DŽN 1ˉ 㑻 DŽ㑻ⱘ⺕ i m N 1㓈 ⺕㢃Ёⱘ⺕䗮 DŽ ⃵㑻 ⬉⌕ ˈ⃵㑻⬉⌕ѻ⫳Ⳍ Ѣ▔⺕⺕ ⱘ⺕ ˈ⺕䗮 䜡 ⫳ DŽ(2)ⓣ⺕ㅵ⃵㑻Ϣ 㑻㋻㗺 ˈ 㑻 ⴔϡϢ 䚼⃵㑻㗺 ⱘ ⓣ Ϣ 㑻І㘨DŽ㗠 ⃵㑻 Ϣ䚼 㑻⺕䗮Ⳍ㗺 ˈⓣ ↨ϔ㠀㒓 㽕 DŽ (7-4)ҙ ぎ䕑 ϟ ゟDŽ⃵㑻⌕䖛䋳䕑⬉⌕ ˈ 7-3Ё⬏ њ 䋳䕑⬉⌕ ⱘㄝ ⺕䏃DŽЁ 㑻㒓 ▔⺕⺕N 1i m ˈ 㑻䖬ѻ⫳ϔϾ⺕ N 1I 2’Ϣ⃵㑻䋳䕑ⱘ ⺕⺕ N 2I 2 䫔DŽ ⺕䏃 㒓 ⱘˈЁ ⱘ⺕䗮¶1ϢU i ˈ▔⺕⺕ DŽ䗮䖛⃵㑻 ⱘ⬉⌕ѻ⫳1ϾI 2 ⺕ DŽℸ⺕ Փ¶2 ˈ¶3 DŽ ℸ⬉ DŽ䋳䕑⬉⌕ ϔ ˈ ѻ⫳ⱘ ⺕䗮 䫔њЁ ▔⺕ѻ⫳ⱘ⺕䗮ˈ㒻㓁 ⬉⌕ ˈ њϔϾ ゟ⬉ ˈ ⬉ ˈՓ⃵㑻䕧 ⬉ ↨≵ 䖬 DŽ⃵㑻 ⱘⓣ ЎlAk k Hl BAk k Hl k i L FP I \1112˄7-5˅ЁA ˙A 2+A 3ˉ䖍 䴶⿃˗l ˉ䖍 䭓 ˗F =A 2/A DŽk=0.5 ˈⓣ DŽϡ䆎 ϔϾ ϢЁ ⱘϔ І㘨ˈ䖬 Ͼ⃵㑻ˈⓣ Ⳍ ⱘDŽԚ Ϣ Ͼ⒵ І㘨 ˈ 䕧 ⥛ҙ 䕧 ⥛ 䚼 ˈⓣ ˈԚ 䏃䕧 ˈϹ䞡 Ѹ 䇗㡖 㛑DŽ7-1GF=N 1 7-2 ˄A ˅ ㄝ ⺕䏃˄B ˅2I 2B7-396(3) 䋳䕑⬉⌕ⱘ⌕䖛䋳䕑⬉⌕ 䖍 ⱘ⺕䗮 ˈ㗠 ϔ䖍 ⱘ⺕䗮 DŽ ㊒⹂ 䆕ϸϾ䖍 䋳䕑⬉⌕ ⺕䗮 㸵ˈ ⱘ⬉ ϡӮϟ䰡DŽϟ䴶ҟ㒡ҹϟ Ͼ ˖7-4ЁϸϾ䖍 㒩1 㒓 ˈ 㘨䖲 1Ͼ DŽ⬅ѢϸϾ㒓 䖍 䴶⿃Ⳍㄝˈ⺕䗮Ⳍㄝˈ ⬉ ⳌㄝDŽ䍋⺕䗮ϡ 㸵 ˈϸ㒓 ⬉ 䗴 ⬉⌕ˈℸ⦃⌕ 䫔⺕ ⱘϡ 㸵ˈ䖿ՓϸϾ䖍 ⺕䗮ⳌㄝDŽ ՓϸϾ䖍 䴶⿃ϡㄝˈ 㸵㒓 г㛑䖿Փ↣Ͼ䖍 ⺕䗮ⳌㄝDŽㅵϞ䗄 ⊩㾷 њ⃵㑻 ⓣ⺕䯂乬ˈԚҡ ⱘ 㑻⺕䗮ϡϢ ⃵㑻㗺 ⱘ ⺕䗮DŽ㄀ ゴҟ㒡ⱘ ⓣ ⱘ ⊩ˈ 䖭䞠г䗖⫼DŽ7-5 ⊩䖯ϔℹ ⓣ DŽ Ё Ͼ ϸϾ䪰ㅨ ㄦˈ㋻䌈 㑻 㑻Ёˈ њ Ϣ 㑻ⱘ㗺 ⿟ DŽϸϾϡ㛑Ⳉ 㾺ⱘ ㄦˈ䗮䖛 ㄦϸッ ˈҢ⺕㢃ッ䚼 䖍ˈѸ 㘨䖲 DŽ 㑻㒓 Ё䯈ⓣ DŽҹϞ ⫼ 䑿 㸵⺕䗮ˈг ҹ ⣀⫼ϔϾ 㸵㒓 䖒 䖍 ⺕䗮ⱘ 㸵ˈ 7-6 ⼎DŽ 㸵㒓 ϸϾⳌㄝ ⱘ㒓 Ѹ 㘨㗠 DŽ㒓 ⫼䕗㒚ⱘ 㒓㒩1 䆌 ˈ 㒩䆌 DŽ㒓 ⊓ 䖍 㒩DŽ⺕䗮 㸵㒓 㽕 㸵ⱘ⬉⌕ 䕧 ⬉⌕ⱘϔ DŽ՟ ˈ ϸ䏃䕧 䛑 ˈ㗠Ϩ㒩 ϔϾ䖍 Ϟˈ⬉⌕ Ў2A 3A DŽ㽕 㸵ⱘ⬉⌕Ў5A/2=2.5A DŽ 㸵㒓 ↣䖍Ў5 ˈ 㸵㒓 Ёⱘ⬉⌕Ў2.5A/5=0.5A DŽ ϸϾ䖍 Ϟˈ ⱘ 3A ⒵䕑ˈ2A ぎ䕑ˈ 㸵㒓 ⌕䖛ⱘ⬉⌕Ў3/2/5=0.3A DŽ䖭⾡ 㸵㒓 㒧 ♉⌏ˈ Т䗖⫼Ѣ ⱘ DŽҹϞ E ⺕㢃Ё 1/2 DŽ㽕㦋 Ѣ1/2 䞛⫼ 7-1(b)⺕㢃DŽԚ 㽕 1/4 ˈЎњ4Ͼ䖍 ⺕䗮Ⳍㄝˈ㽕 4Ͼ䖍 䛑㒩1 㘨ˈ 䰙 ԰ ѯ 䲒DŽ㗠ϨĀX ā⺕㢃ϡ䗖 催乥 ԰DŽ↨䕗 ⧚ⱘ 䖬 ⫼ ⊯䗖⫼ⱘE ⺕㢃DŽҹϞ䅼䆎њ⫼ϸϾⳌㄝ ⱘ 㸵㒓 㦋 ϸϾ䖍 ⱘ⺕䗮ⳌㄝDŽ 䴶 䖛 Փ䖍 䴶⿃ϡㄝˈ 㽕 㸵㒓 Ⳍㄝˈг㛑Փ䖍 ⺕䗮ⳌㄝDŽ Пˈ 䖍 䴶⿃Ⳍㄝˈ㗠 㸵㒓 ϡㄝˈ 䖿Փ䖍 ⺕䗮ϡㄝDŽ՟ 2ʿ䖍 㸵㒓 3ʿⱘ3 ˈ Ў㒓 㘨 ϔ䍋ˈ ⬉ 乏Ⳍㄝˈ2ʿ䖍 Ёⱘ⺕䗮 ⥛d ¶2/d t 3ʿ䖍 ⱘ1/3ˈ ҹ ⺕䗮ⱘ1/4䖯 2ʿ䖍 ˈ3/4䖯 3ʿ䖍 DŽ 䫒2ʿ䖍 ⱘ㒓 Ў ˈ 䫒 ʿ䖍 ⱘ㒓 Ў DŽ ⧚ˈ ӏ DŽԚ ⊼ ˈЁ ⱘ⺕䗮ϡ ˈ ӏ ˈ䖍 ⱘ⺕䗮 䜡 ⫳њ ˖ϔϾ↨ℷ ⫼ ˈ㗠 ϔϾ↨ℷ ⫼ DŽ⺕䗮䖛 ӮՓ⺕㢃佅 ˈҢ⧚䆎Ϟ䆆 ⺕䗮 ˈԚ ˈ ϔ㠀 ⫼ +]ҹϞˈ ԰⺕䗮 㗫䰤 䖰 Ѣ佅 ⺕䗮 DŽϔ㠀ϡӮ䖯 佅 ˈ ⺕㢃 㗫⬹ DŽϔ ⹂ゟˈ 䅵ㅫ 乏䞡 ⹂ DŽ7.1.9⺕䗮 ⿏ḍ ⬉⺕ ˈϔϾ㒓 ⱘ⺕䗮ㄝѢ↣ ӣ⾦ⱘ⿃ DŽ䖭 ⴔӏԩ⺕ ӊⱘӏԩ㒓 Ϟ⬉ ˈϔϾ ⬉ 乏Ў䳊DŽϔϾѸ⌕⊶ Ёˈ Փ䴲 ⱘⳈ⌕ 䞣ˈгӮ ⺕㢃⺕ 佅 DŽԢ乥⥛Џ Ёˈ 㑻㒓 ⱘ⬉䰏 䰡䎇ҹ䰤 ⺕㢃䍟 佅 ˖䖭 Ў ⱘⳈ⌕ 䞣 ⺕䗮 佅 ˈ⺕ ⬉⌕ ϡ ⿄DŽⳈ⌕ 䞣 ⱘ⺕ ⬉⌕ 㒓 ⬉䰏Ϟѻ⫳ϔϾIR7-4⺕䗮 㸵ⱘ䰡㨑ˈ 䫔њ▔ ⊶ ЁⱘⳈ⌕⬉ 䞣ˈ 㛑䙓 ⺕㢃佅 DŽ催乥 ⬉⑤Ёˈ⧚䆎Ϟ 偅 ⊶ ⿄ⱘˈ 䯈Ⳍㄝⱘℷ䋳ӣ⾦Ѹ 㒓 Ϟˈ ⺕㢃⺕ ✊ ԡ ⢊ DŽԚ ˈ䗮 ⬅Ѣ ⥛ ӊⱘ 䗮⬉䰏R on 䗳 ⱘϡㄝˈՓ 偅 ⊶ ⱘӣ⾦ϡ ⿄ˈѻ⫳ ⱘⳈ⌕ 䞣 䍋⺕䗮ⱘ ⿏DŽ催乥 ϔ㠀 㑻 ˈⳈ⌕⬉䰏 ԢˈⳈ⌕⺕ ⬉⌕ 䞣 䰡IR ⺕㢃佅 ˈϡ䎇ҹ⍜䰸ӣ⾦ϡ ⿄DŽℷ▔ ⺕䗮 ⿏ϡ 䯂乬DŽ ˈ ⺕ ⬉⌕ Փ⬉ ˈϔ㠀 ㅱԡ⬉䏃ˈ ⬉ Փ⺕ ⬉⌕ 䳊ˈ ⺕ ⱘ䍋 ⢊ DŽ ӣ⾦㊒⹂ ㄝѢ 䗮 ⱘӣ⾦DŽℷ▔ 㞾 㞾 ԡ˄䗮䖛䰤 ぎ ˈ 䆕 䎇 ⱘ ԡ 䯈˅DŽ⬉ ӏԩ ⬉䏃 ˄ ḹˈ ḹ Ё ˅ˈ⺕䗮 ⿏䯂乬 ЎϹ䞡DŽ㾷 ⊩Пϔ ⺕㢃ⱘ⺕䏃ЁІ㘨ϔϾ ⇨䱭ˈ䖭 Փ⺕ ⬉⌕ ˈ 䴲ⶽ ⺕ 㒓ˈ Ѣ䙓 佅 DŽ⬉䏃⬉䰏ⱘIR 䰡 ҹ 䫔偅 ⊶ Ёϡ ⿄DŽԚ⺕ ⬉⌕ 㸼⼎▔⺕⬉ 㛑䞣ⱘ ˈ䗮 ⫼㓧 ㅱԡ ˈ њ⬉䏃 㗫DŽ㾷 ϡ ⿄䯂乬ⱘ↨䕗 ⱘ ⊩ 䞛⫼⬉⌕ ῵ ˄ ⬉⌕ ˅㞾 㸵DŽ⬅Ѣӣ⾦ϡ ⿄ˈ⺕䗮 ϔϾ ⿏ˈ ⺕ ⬉⌕ 㢹 䗤⏤ϡ ⿄DŽ㗠⬉⌕ Ёⲥ⌟⬉⌕ˈ ↣Ͼ Ⳍ ⱘ ⬉⌕ ˈ ⬉⌕ ⱘ 䗮 䯈ⷁˈ П 䭓DŽⳈ⌕ 䞣䗴 ⱘӣ⾦ϡ 㸵 ℸ㹿㑴ℷњDŽ ⺕ ⬉⌕ ϸϾ Ⳍㄝˈ⺕䗮 ⿏ DŽ✊㗠 Ѣ ḹ ⦄њ ⱘ䯂乬DŽ ⬉⌕ 䗮䖛Ѹ 䭓 㓽ⷁ㛝 㑴ℷӣ⾦ϡㄝ ˈѸ 䯈ѻ⫳њ ⾦˄⬉㥋˅ϡㄝDŽ⬉㥋ϡㄝ 䍋⬉ ℷ 䋳↡㒓 ⿏DŽ ⬉ ⾏ Ё ⚍ˈӣ⾦ϡ 㸵 ˈ 䍋⬉⌕ 䖯ϔℹⱘ㑴ℷ㛝 ˈ 㟈 ⦃ˈ⬉ ⿏ ϔ䖍↡㒓DŽ䖭 ḹ Ё ϡ ⱘˈ ḹҡ ⬉ DŽ ḹ Ёˈ ㅔ ⱘ㾷 ⺕ ⱘ ⊩ 㑻І㘨ϔϾ⬉ DŽ ⫼⬉ 䱨⾏▔ ⊶ ЁⱘⳈ⌕ 䞣DŽ7.1.10⺕㢃䗝⥛䪕⇻ԧˈ催乥ϟ 催⬉䰏⥛ˈ 㗠⍵⌕ 㗫ԢǃӋḐԢ 催乥 ⺕㢃佪䗝 DŽԚ⺕ ⥛䗮 䕗Ԣˈ⺕ ⬉⌕ ℸ䕗 ˈ 䳔⫼㓧 ㅱԡ⬉䏃 ⧚DŽѢ 䞥 ⺕㢃ˈ 䪈 䴲 䞥 䞥ˈ䖭ѯ 䕗催ⱘ⬉䰏⥛ˈ䗮 䔻 㭘ⱘ ˈ ҹ⫼ 䕗催乥⥛DŽϔ㠀 䞥 㱑✊佅 ⺕䗮 ↨䪕⇻ԧ ˈ䖭䗮 ㋻㽕ⱘˈ Ў⺕䗮 Ϲ䞡 ⍵⌕ 㗫䰤 DŽ ӋḐ ㋴г ⱘ䗝 DŽ 催⏽ ǃ ⱘ ˈ䳔䞛⫼ 䞥 ⺕㢃 ˈϔ㠀 ⺕㢃 䗝 䪕⇻ԧDŽ ⾡䪕⇻ԧ ⫼乥⥛ 㗫 ⳟ10.3DŽˊ⺕㢃 ⢊⺕㢃に 㛑 DŽ 㒓 㒓 ⱘ DŽՓѸ⌕⬉䰏R ac ⓣ DŽ䖬 ˈ ⱘ⠀⬉ に 䕗 DŽ に 䳔㽕㒓 催 Ԣˈ ℸ ⫼㒓 に 䴶⿃DŽ䪕⇻ԧ⺕㢃 㔤 ( ѻGU ˈ 䰙P )ǃPMǃRMǃPQǃEEǃECǃEPǃETDǃRCǃUU UI ⾡ ˈҹ 䖥 ⱘ 䴶⺕㢃ˈ EFD,EPC,LP ㄝ⺕㢃DŽ㔤 PQ ⺕㢃 䕗 ⱘに 䴶⿃ˈに ⢊ Т ℷ ⱘDŽ㔤(P) PQ ⺕㢃↨EE⺕㢃 䕗 ⱘ⺕ 㬑ⱘӬ⚍ˈ њEMIⱘӴ ˈ⫼ѢEMC㽕∖ϹḐⱘ DŽ⠀⬉ 㗫䌍њに 䴶⿃ⱘ 䚼 ˈに 䖰ϡ Շˈ ⫼Ѣ125WҹϟԢ ⥛ DŽ ⥛ ⫼ ⛁ 䲒DŽ㔎⚍ 㒓㔎 ˈ ⬉⌕ 㒓 䲒DŽгϡ䗖 䏃䕧 ˈ䕧 㒓 DŽгϡ 催 ⫼ˈ Ў 㒓ⱘ 㒱㓬 ⧚ 䲒DŽEEˈECˈETDˈLP⺕㢃䛑 E ⺕㢃DŽⳌ Ѣ 䇈 䕗 ⱘに 䴶⿃ˈ に 㗠9798催 Ԣⱘ㒧 ˈⓣ⺕ 㒓 ˈ催乥Ѹ⌕⬉䰏 DŽ ⱘに ≵ 㒓䯂乬ˈ㒓 Ϣ ⬠ぎ⇨ 㾺䴶 ˈ Ѣぎ⇨⌕䗮ˈ ⛁ ˈ ⧚ ⥛DŽԚ⬉⺕ 䕗 DŽEC ˈETD ⺕㢃ⱘЁ 䴶ϢEE Ⳍ ⶽ 䴶⿃ ˈ 䴶↣ 㒓 ↨ⶽ ⷁ 㑺11ˁˈ ⬉䰏 11ˁˈ㒓 㗫 ⏽ гⳌ 䰡ԢDŽԚ EE ⺕㢃 唤 ˈḍ ϡ ⱘ ԰乥⥛ ⺕䗮 ˈӴ䕧 ⥛㣗 Ң5W 催䖒5kW DŽ ϸ EE ⺕㢃 ԰ЎϔԧՓ⫼ˈӴ䕧 ⥛⫮㟇 䖒10kW DŽϸ ⺕㢃 Փ⫼ ˈ⺕㢃䴶⿃ ˈ ⺕䗮 乥⥛ ϡ ˈ ϔ ˈ ⥛ ↨ ⫼ϟϔϾ ⱘ⺕㢃ԧ⿃㽕 DŽRM PM ⺕㢃 㔤˄P ˅ E ⺕㢃ⱘ 㹋ˈ↨㔤 ⱘ 㒓に ⱘ ⛁ ӊˈ 㗠 Ӵ䕧 ⱘ ⥛DŽ ⺕㢃≵ 䚼 㒓 ˈ⺕ ҟѢ㔤 EE П䯈DŽRM ⺕㢃 ϸ⾡㒧 ˖ Ё ≵ Ё DŽ ѯ䇤 ⬉䏃Ё㽕∖ ⹂ 䇗䇤ˈ䇗㡖⬉ DŽ ҹ⫼ Ё ⱘRM ⺕㢃ˈ䗮䖛Ё ⺕Ầ䇗㡖⬉ 䞣ˈ䇗㡖㣗 䖒30ˁDŽϔ㠀 ⥛⺕㢃Ёϡ䞛⫼ˈ⺕Ầ 㗫䕗 DŽPQ Շⱘԧ⿃Ϣ䕤 㸼䴶 㒓 に 䴶⿃П↨DŽ ⺕㢃 㗫ℷ↨Ѣ⺕㢃ԧ⿃ˈ㗠 ⛁㛑 ℷ↨Ѣ䕤 㸼䴶ˈ䖭ѯ⺕㢃 㒭 䕧 ⥛ϟ ⱘ⏽ DŽ ℸ 㒭 䕧 ⥛ϟԧ⿃ DŽLP ǃEFD EPC ⺕㢃Џ㽕Ў 䴶 䆒䅵ⱘDŽЁ 䭓ˈⓣ DŽԚ Ўԧ⿃ ˈ⺕䗮 ⺕ 䛑 䞡㽕ⱘ ˈ䅵ㅫⳌ 䲒DŽUU UI Џ㽕⫼ 催 ⥛∈ DŽ ⫼ 1kW ҹϟDŽ Ӏ↨EE ⱘに ˈ ҹ⫼ ㉫ⱘ 㒓 ⱘ DŽԚ⺕䏃䭓 ˈ↨EE ⱘⓣ DŽ⦃ ⺕㢃 ⱘ ⺕䏃ˈ 㒓 㒩 Ͼ⺕㢃ϞDŽ䖭ḋⱘ㒓 䋼Ϟ 㒩 Ͼ⺕㢃ˈՓ ⓣ Ԣ 㒓 DŽ Ў≵ 㒓 ッ䚼ˈ≵ ⠀⬉䎱⾏ⱘ㽕∖˄Ԛ 㒓䯂乬˅DŽ ⺕䗮 EMI 䛑 ԢDŽ⦃ ⱘ 䯂乬 㒩㒓 䲒ˈ1 ⃵㑻 ԩ Ͼ⺕㢃Ϟ˛㞾 㒩㒓 џ Ϟ ϡ 㛑ⱘDŽЎℸˈ⦃ ⫼Ѣ ⬉⑤ DŽ⺕㢃˄1˅䴶⿃Ь⿃⊩㒣偠ⱘ⺕䆒䅵㗙 ⺕㢃ⱘ ϡ 䲒ⱘDŽ Դ ϔϾ 䆒䅵ⱘ ˈ Ԅ䅵⺕㢃 ˈ Ңϟ DŽ䖭 ˈ 㛑ḍ Փ⫼㽕∖ˈ ⫼ϔѯ ⶹ䆚 Ⳍ ⱘ⺕㢃DŽ↨䕗䗮⫼ⱘ ⊩ 䴶⿃Ь⿃⊩DŽ ⺕㢃 䴶⿃Ϣ㒓 に 䴶⿃ⱘЬ⿃DŽ⫼䴶⿃Ь⿃ 䳔㽕ⱘ⺕㢃 ˈϢ䆌 ㋴ DŽ⺕㢃 ⧚ ⥛ⱘ㛑 ϡ 䱣䴶⿃Ь⿃ ⺕㢃ԧ⿃㒓 ⱘDŽ䕗 ⱘ 乏 ԰ѢԢ ⥛ ˈ Ў ⛁䴶 䭓ԢѢѻ⫳ 㗫ⱘԧ⿃ⱘ DŽ՟ ϔϾ⧗ԧˈԧ⿃ 䱣 ⱘゟ 䭓ˈ㗠㸼䴶⿃䱣 ⱘ 䭓DŽ⛁⦃ г 䲒㊒⹂Ԅ䅵ˈ 䖿䗮亢䖬 㞾✊ 䛑 䆌 㗫 ⏽ DŽҹϟ կϔϾ䴶⿃Ь⿃ⱘ㉫⬹乘䅵˖AP A A P K Bf cm e W O T §©¨·¹¸'434/˄7-6˅ЁP o ˉ䕧 ⥛(W)˗B ˉ⺕䗮 䞣(T)˗f T ˉ ԰乥⥛(Hz)˗K ˉ0.014˄ℷ▔ ˈ Ё ˅ˈˉ0.017˄ ḹˈ ḹ˅DŽѢ㒓 ⬉⌕ 420A/cm 2ˈ に ㋏ 40ˁDŽ Ԣ乥 ˈ佅 䰤 ⺕䗮 ˈ㗠 50kHz ˄䪕⇻ԧ˅ҹϞˈ⺕㢃 㗫䗮 䰤 њ B DŽ䖭䞠䞛⫼⺕㢃↨ 㗫Ў100W/cm 399ˈ ԰乥⥛f T ⱘ B DŽ䖭ḋ Ԅㅫ⺕㢃 ϡ ㊒⹂ˈԚ 䆩ㅫⱘ⃵ DŽ 㒜Ẕ偠䆒䅵㒧 ˈ ⫼⦃ Ёˈ ⬉䏃Ё ԰ḋӊ ˈ⫼⛁⬉ ㉬䌈 Ё ⱘЁ ˈẔ⌟⛁⚍⏽ DŽ ⫼㒓 ⬉䰏ⱘℷ⏽ ㋏ ˈ⌟䞣⛁ 㒓 ⬉䰏ˈ䅵ㅫ 㒓 ⏽ DŽ˄2˅ 㸼⊩Ԅㅫ ˈ 㗙ˈ 䆌 㒣偠 ϔ ⶹDŽ 㛑ḍ 䕧 ⥛ゟ 㒭 ⺕㢃 ˈ ✊ Ў DŽҹϟⱘ䅼䆎Ёˈ ⥛¨˙80ˁDŽ㒓 偼 ⱘに ㋏ Ў0.4DŽḍ 4mm ⱘ⬭䖍DŽ㒓 ⱘ⬉⌕ Ў4A/mm 2DŽ 50kHz ҹϟˈ㒱 ⺕ 㗫䕗Ԣˈ佅 䰤 њ⺕䗮 䗝 DŽ䪕⇻ԧ 100ć 佅 ⺕䗮 0.3T ˈ ⺕䗮 Ѣ0.2T ˈ⺕ ˈ ⺕ ⬉⌕䖙䗳 ˈՓ㒓 㗫 DŽЎ䙓 ⶀ ⺕㢃䖯 佅 ˈϔ㠀䗝 ⺕䗮 Ў0.16T DŽ 乥⥛䍙䖛50kHz ˈ ԰乥⥛ ⺕㢃 㗫 㒓Ϟ 100̚200mW/cm 3䗝 ⺕䗮 B DŽ䕧 ⥛ Ьҹ㋏ B /0.16DŽķℷ▔ℷ▔⬉䏃 㑻⬉⌕⊶ 7-7 ⼎DŽϔ㠀䕧 ⬉⌕㛝 䞣 I =0.2I o ˈ I o ˉ⃵㑻 ⬉⌕ⱘЁ DŽ ⬹⺕ ⬉⌕ˈ 㑻⬉⌕ ЎI i = I o /n DŽ Ԣ䕧 ⬉ 䆕䕧 ⬉ DŽℷ▔ ⱘ ぎ Ѣ0.5DŽ Ўњ㛑 さ 䋳䕑ㄝ ˈ ぎ 䗝 Ў0.4ˈ ℸˈ䕧 ⥛dc i dc i dc i i o I U I U I DU P P min min min 32.04.08.0 u K K (7-7)㒓 㒓Ⳉ ⫼⬉⌕ 䅵ㅫⱘˈⶽ ⊶⬉⌕ Ϣ⬉⌕ ⱘ ㋏ЎI I D I I dc dc dc040632.. I I dc 158.DŽҷ (7-7)P U I U I U I o i dc i i u 0320321580506....min min min (7-8)⬅⬉⺕U N A BT i eon1' (7-9) ЁU i ˉ 㑻⬉ (V)˗N 1ˉ 㑻 ˗A e ˉ⺕㢃ⱘ 䴶⿃(m 2)˗B ˉ 䗮 䯈 ⺕䗮 (T)˗ T on ˉ 䗮 䯈˄s ˅DŽU i min ˈf 7 B/T onmax =B max /0.4T DŽ ˄7-9˅ҷ (7-8)ЁP U I IN A B fN B A fI o i e e rms0506050604126511....min max max (7-10)㢹 㑻 ⃵㑻㒓 ⱘ⬉⌕ Ⳍ DŽ ⬹ ԡ㒓 ⱘに ˈ ҙ⌕䖛⺕ ⬉⌕DŽҸ⺕㢃に 䴶⿃ˈ 㑻㒓 䴶⿃ˈ ⃵㑻㒓 䴶⿃ 㑻1 㒓 䴶⿃ ЎA W ˈA 1ˈA 2 A 1i (cm 2)DŽ ㋏ Ў0.4ˈϨA 1˙A 2ˈo(a) (b)7-7 ッℷ▔100A A N A W i11102 . A A N i W1102. (7-11) ⬉⌕ j ˄A/cm 2˅Ўj I A i1I jA jA N i W1102. (7-12) (7-12)ҷ (7-11),㗗㰥 j =400A/cm 2ˈP N B A fI N B A f jA N o e e Wuu 126512*********4...max max u 1012102.max fB A A e W (7-13)AP A A P fB e w o99max(7-13a) ЁP o ˄W ˅;A e ˈA W (cm 2)˗f (Hz)DŽḍ ԰乥⥛f ˈ䗝 ⺕㢃 䋼ˈ✊ 䋼 㗫 㒓Ϟ⬅100mW/cm 3 ԰乥⥛∖ 䆌⺕䗮 ˈ ⫼ ˄7-13a ˅Ⳉ 䗝 ⺕㢃 DŽг ҹḍ P o , ԰乥⥛(f )Ⳉ ⬅㸼10-15䗝 ⺕㢃 DŽ ⊼ ˈ㸼Ё B max =0.16T ⱘ㒧 DŽ 䰙 ⥛㽕Ьҹ2 B /0.16DŽ ԰⺕䗮 Ϟ䗄 ⊩ ⱘ B ϔ DŽĸ⥛ 䰙 ϸϾℷ▔ 㒘 㗠 ⱘDŽ 䆒 ӊϢℷ▔ϔḋ˖¨˙0.8ˈD max =0.4h 2˙0.8DŽ 㑻⬉⌕ⱘ Ϣ ⱘ ㋏I I dc 158.DŽ ℸI U I DU P i dc i o min min 01.1 K (7-14)ҡ ㋏ Ў0.4DŽ ǃ⃵㑻⬉⌕ Ⳍ DŽ 㑻 ⃵㑻㒓 偼 に ϔ DŽ 㑻 ϸϾ㒓 ˈ⬅ (7-11)A A N A W i 111022 . A A N i W 1101.˄7-15˅Ёヺ ℷ▔ DŽ⬅ (7-9)U N BA T N B A TN fA B i e on ee min max max max . 1112045' (7-16) 㗗㰥 ˄7-12˅,P U I N fA B j A N jfA A B o i e We W u u u 1015050110505101165....min max max (7-17)䴶⿃A Ўcm 2ˈj =400A/cm 2,䴶⿃Ь⿃ЎAP A A P fB e w o|50max(7-17a) ↨䕗 (7-17) (7-13) 㾕ˈⳌ ⺕㢃ǃ乥⥛ ⬉⌕ ӊϟˈ ↨ℷ▔䕧 ⥛ ϔ DŽ䖭 ⧚㾷ⱘ˖ 㑻↣䖍㒓 Ϣℷ▔Ⳍ ⱘ䕧 ⬉ ˈԚ ⺕䗮 2B max DŽ ↨ℷ▔ ϔ ˈ 㑻 Ϣℷ▔ ⳌㄝⱘDŽ 㑻㒓 ⱘ 㒓 г Ⳍ ⱘDŽ↣Ͼ ⃵㑻Ӵ䕧ϔ 䕧 ⥛ˈ ϸ㗙䕧 ⥛Ⳍ ˈ ⬉⌕г ℷ▔ⱘϔ ˈ ℸⳌ ⱘに ˈ ↨ℷ▔䕧 ϔ ⥛DŽԚ ⊼ ˈ ⺕㢃 ⺕ ˈ↣ ⺕ 㒣䖛 Ͼ⺕ 㒓ˈԢ乥 㗫㟇 ϔ ˈ䪰 ϡ DŽ 50kHz ҹϞ乥⥛ ˈ⬅乥⥛f 䆌 㗫䗝 ⺕䗮 ˈⳌ ⺕㢃 ˈ Ϣℷ▔䕧 ⥛Ⳍ 䴲ϸ DŽ101Ĺ ḹ ḹ䕧 ⥛ҡ✊ Ԣ䕧 ⬉ ˈ ぎ Ў0.8ˈ ԧㅵ 䗮 䯈Ў0.8T/2DŽ ⥛¨˙80ˁDŽ㒓 䪰 ㋏ Ў0.4DŽ ԭヺ Ϣ ǃℷ▔ϔ㟈DŽḹ 㑻㒓 ℷ ⿄⌕䖛⬉⌕ˈ 㑻⬉⌕ ЎI I I dc dc080894.. I I dc 112. (7-18)䕧 ⥛I U I U D I U P i i idc i o min min min358.012.15.08.08.02u u uK (7-19) 㗠 㑻㒓 䪰䴶⿃ЎA A N A W i11102 . A A N i W1102 . (7-20) ѢI A j jA N rms i W1102. (7-21) 㑻⬉ U 1=U i /2,ḍ ⬉⺕U N A BD T fN A B i ee min max max / 221011' (7-22) Ё B =2B max ˈD max =0.8DŽ(7-21),(7-22)ҷ (7-19)P U I fN A B jA N o i e Wu u03580358100211...min max u 0716106.max fjA A B e W (W) (7-23)Ϣℷ▔ Ⳍ ⧚ˈ䴶⿃Ь⿃ЎAP A A P fB e w o|35max(7-23a) ḹ 㑻⬉ ↨ ḹ ϔ ˈⳌ ⱘ⺕㢃ˈ㒓 ϔ DŽ 䕧 Ⳍ ⱘ ⥛ˈ ḹ 㑻↨ ḹ 㒓 䴶⿃ ϔ ˈ ℸ ḹ ḹ 㑻㒓 に 䴶⿃ Ⳍ ⱘDŽ⺕㢃Ⳍ ˈ ԰ ӊⳌ ˈ䕧 ⥛гⳌ DŽ԰乥⥛ 50kHz ҹϟˈ⬉⌕ Ў4A/mm 2,B max =0.16T ˈ ḹ ḹⱘ⺕㢃 Ϣ乥⥛ǃ䕧 ⥛ ㋏ 㸼10-16 ⼎DŽˈḍ 䕧 ⥛ 㸼10-15 㸼10̚16Ё Ⳍ ⱘ⺕㢃ˈℸ⺕㢃≵ 㗗㰥乥⥛ ⺕䗮 㗫䰤 ˈг 㗗㰥 ⱘ ˈ ℸ ⺕㢃䗝 ⱘ DŽ催乥 ˈ ḍ ԰乥⥛ˈ 䆌ⱘ⺕㢃↨ 㗫Ў100̚200mW/cm 3ˈ ⱘ 㗫 㒓Ϟ 䆌ⱘ ԰⺕䗮 B DŽ 䕧 ⥛Ьҹ B /0.16T 䰙䕧 ⥛DŽ7.2 䆒䅵 ℹ偸ϟ䴶䗮䖛ϔϾ ⱘ՟ ˈ 䇈 䆒䅵ϔϾ ⬉⑤ ⥛ ⱘ䖛⿟DŽ䆒䅵 ⱘЏ㽕䯂乬 䴶䆺㒚䅼䆎䖛ˈ 䖭䞠 Ӏ⫼ ԧⱘ䆒䅵ℹ偸ЁDŽ 䆌 䆒䅵 ⊩ˈⳂ г 䆒䅵䕃ӊDŽ䆒䅵 佪 Փ⫼ ˈ՟ 䕧 䕧 ⬉ 㣗 ǃ ⥛ˈ ԰乥⥛ㄝˈϡㅵҹ 䗝 㾘 ⺕㢃㉏ ԩ䆒䅵ϡ DŽ ㅵ 䴶 њ㢹 乘䅵ⱘ ⊩ˈ⺕㢃ǃ㒓 ⱘ ϔϾ䗁ҷ䖛⿟DŽϔ ϡ⒵䎇㽕∖ˈ䅵ㅫ 䞡 DŽ102ϟ䴶ҹ䆒䅵ϔϾℷ▔ Ў՟䇈 䆒䅵ℹ偸DŽЎњ Ѣ 䆒䅵ℹ偸ⱘ⧚㾷ˈ 䆒䅵ℹ偸Ⳍ Ё԰ㅔ㽕䇈 DŽ՟ℹ偸1˖⹂ 䆒䅵ⱘ⬉⑤ ˖U i 㣗 ˖ 100̚190V ˗˄ ҹ⫼乱 ⬉ ℷ䋳 㸼⼎˅䕧 ˖ 5V,50A ˗˄䕧 ⥛250W ˈ 䕧 ϔ 䇗㡖㣗 䏃䕧 ˅ 乥⥛f s ˖ 200kHz ˗˄ 乥⥛ˈḍ Փ⫼ⱘ ӊˈ⺕㢃 ˈ ⥛ ˅ 㗫˄㒱 ˅˖2.5W;˄ ⥛ 㗫ˈḍ 㒣偠 䜡 ↣Ͼ ˅ ⏽ ć˖ 40ć˗˄⬅⺕㢃 㒱㓬 䆌⏽ ԰⦃ ⏽ ˅ ˖㞾✊䗮亢ℹ偸2˖⹂ 㒱 ぎ 䰤 D lim , 乱 ԢU imin D max ˄ 䆕 ˅ 乱 U i D ˖㒱 䰤 D lim ˖0.47˄䖭 䰙Ϟ㗗㰥њ ԡ㒓 Ϣ 㑻㒓 Ⳍㄝҹ ⺕㢃ϡ佅 ˅乱 D max ˖ 0.42˄ Ԣ䕧 ⬉ 䆕䕧 ⱘ ぎ DŽϢ 䰤 5ˁⱘԭ䞣˅乱 U i D :˖U i min D max ˄=42V ˈ 䕧 ⬉ ˈ 㑻ӣ⾦ϡ DŽг ⃵㑻ӣ⾦˅U imax D lim ˖ 89.3V ˄ 䆕 䰤ӣ⾦ˉⶀ ϟϡ佅 ˅ℹ偸3˖䅵ㅫ䕧 ⬉ Ϟ⒵䕑 Ѡ ㅵℷ 䰡 ⃵㑻IR 䰡˖U o ’˙5.0+0.4=5.4Vℹ偸4˖䅵ㅫ ⱘ ↨˖ 䏃䕧 ˈϔ㠀佪 Ң Ԣ⬉ DŽn N N U U i o12425478'.. 㛑䗝 ⱘ ↨˖8:1˗7:1 15:2ℹ偸5˖ḍ ԰乥⥛200kHz ˈ䕧 ⥛250W ˈϞ䗝 ⺕㢃 ˈ՟ 䗝 Philips ⱘ3C90 ˈ ⱘ 㗫 㒓 7-8 ⼎DŽ↨ 㗫Ў100mW/cm 3 ⺕䗮 Ў0.068T DŽ ⫼䴶⿃Ь⿃ (7-6)AP u u u §©¨·¹¸2500014006820010343../=1.4cm 4⫼䰘 㸼10-15ḍ 䕧 ⥛䗝 ⺕㢃DŽḍ 䅵ㅫ㒧 ˈ⬅⫳ѻ կⱘ ˈ 䗝 ⺕㢃ETD34(AP=1.83cm 4)˄ 7-9˅ˈ⹂ њ⺕㢃 DŽ˄ḍ ԰乥⥛䗝 ⺕㢃 䋼ˈⳌ↨ 㗫 ˈ ⱘ 䋼 䆌ⱘ⺕䗮 ˈAP ˈ ⺕㢃ԧ⿃ DŽ䖭䞠㄀ϔ⃵䗝 ⺕䗮 ˅ℹ偸6˖ Ѣ䗝 ⱘ⺕㢃ˈ 䯙 䴶⿃ˈԧ⿃ˈ ⺕䏃䭓 ˄cm ˅DŽA e =0.97cm 2; V e =7.64cm 3;l e =7.9cmに 䴶⿃ˈ ˈ催 ˈ↣ 䭓 ˄’ˉ㗗㰥偼 ⠀⬉䎱⾏ⱘ ˅ A W / A W ’=1.89/1.23cm 2b W /b W ’=2.36/1.5cm h W /h W ’=0.775/0.6cm䭓l av ˖5.8/6.1cm ˄ETD ⱘЁ Ⳉ 11mm,䖍 25.6mm,偼 㒱㓬 1.1mm ⱘに 催 ˈℸ㒓 Ў11ˇ2h 0.11=13.2mm DŽ ℸ 䭓Ў±(1.32+25.6)˅7-8↨ 㗫Ϣ乥⥛ ⺕ ㋏T=100ć103ℹ偸7˖⬅ ⬅Փ⫼ⱘEC ETD ㋏ ⺕㢃に 䴶⿃㦋 ⛁䰏˖˄✻Magnetics կⱘ⛁䰏 ˅1918936)(228002 ucm A R W T ć/Wḍ ⏽ 7ˈ䅵ㅫ 䆌ⱘ 㗫˖1.219/40/lim T R T P 'W<2.5WЎ Ѣℹ偸1ⱘ㒱 䆌 㗫2.5W ˈ 䆌 㗫 2.1W DŽ ⺕㢃 㒓 㗫 ϔ ˈ P Clim =1W,P Wlim =1.1W DŽ˄ ✻2.5W 䅵ㅫˈ㒓 ⏽ 䍙䖛40ćDŽ 㒱䆌 㗫 Ѣ㒓 䆌 㗫ˈ ҹ㒱 㗫䅵ㅫ㒓 ˈ ⬉⑤ ⥛ϡ㛑 䆕˅ℹ偸8˖ 㗫䰤 ⺕䗮 䞣 %䅵ㅫ⺕㢃 ԡԧ⿃FP㗫˖P V mW cm kW m C e lim //./(/) 17613133⫼䖭ѯ⺕㢃 㗫 ˈ 䗝 ⱘ & 㗫 㒓 ˈ 乥⥛ Ā⺕䗮 ā˄ 䰙 ⺕䗮 ˅DŽ 㦋 㗫䰤 ⺕䗮 䞣 %㒓Ё mW/cm 3ė,乥⥛200kHz ė 7DŽ˄40ć⏽ 㒱 䆌 㗫ˈ 䆌⺕㢃↨ 㗫DŽ⺕䗮 ㄀Ѡ⃵䗁ҷ˅B =2h 800Gs=1600Gs=0.16T ˄Ⳍ 㗫ˈ ⺕ ⺕䗮 ˅乱 ⺕䗮 ¶˙ B h A eℹ偸9˖ḍ ⬉⺕ 䅵ㅫ⃵㑻 ˖U T N o S ' 2'IN U T o S 2645451001609710174 u u u u '....'I 1 ˈ њӣ/ ǃ⺕ 䞣 ⺕㢃 㗫DŽ 2 ˈ њ⺕㢃㗫ˈԚ њ㒓 㗫DŽ ЎҹϞⱘ㒧 䖥2 ˈ䗝 2 DŽℹ偸10˖䞡 䅵ㅫ2 ⱘ⺕ 䞣 㗫˖'B T 0161742014...()˄⺕䗮 ㄀ϝ⃵䗁ҷ˅⬅⺕㢃 㗫 㒓 7-8 0.14T/2˄700Gs ˅ Ў110mW/cm 3DŽ⺕㢃 㗫P c =110h 7.64=840mW=0.84Wℹ偸11˖⹂ 㑻 DŽ ↨ ˈ ⬉⌕Ԣˈ ぎ D ˈ䪰 㗫 DŽ⬅ℹ偸4 ⱘ ˈ䆩ㅫⱘ䗝 N 1=15 ˄ ↨7.5:1˅DŽ䞡 䅵ㅫ乱 U i D ϟⱘU imax D lim ӊ˖U i D ˙nU O ’=7.5h 5.4=40.5VB lim =0.14h 89.3/40.5˙0.31T ˄⒵䎇<B S ˅ℹ偸12˖ 㒓 㒧Ў ⓣ 㒓 㗫䞛⫼Ѹ䫭㒧 7-10 ⼎DŽѸ䫭㒧 Փ㒓 ϸ↉DŽ↣↉ 㑻㒓 15 㘨DŽ 㑻⬉⌕ ㄝ 䜡 ϸϾ㒓 Ёˈ Ў䖭ḋ㛑䞣Ӵ䕧 ԢDŽ⃵㑻↣ 1 䪰ㅨˈ2 І㘨DŽ↣ 1 Փ 㒓 㛑䍙䖛こ䗣⏅ ˈ䖭ḋ њⳈ⌕⬉䰏ˈ㗠 њѸ⌕⬉䰏DŽℹ偸13˖䅵ㅫ200kHz ⱘこ䗣⏅104 ' u 767621000175...f cm ℹ偸 ˖ U inmin D max ˄ℹ偸11˅ ӊϟˈḍ ˄6-22˅䅵ㅫ↣Ͼ㒓 ⱘⳈ⌕ Ѹ⌕⬉⌕˖I A D A dc 2505004052025 max .. I I D D A ac dc 221245 ().I I n A dc dc 1220257527 /./..I I n A ac ac 1224575327 /./.. ↣Ͼ 㘨ⱘ 㑻㒓 ⬉⌕ 㑻 ⬉⌕ⱘϔ Ⳉ⌕1.35A,Ѹ⌕1.65Aℹ偸 ⹂ 㑻㒓䗝 㒓 䴶⿃˖A 1i =I 1ac ’/j=1.65/4=0.39mm 2DŽ 1.3cm Ϟ㒩ϔ 15 㒓㒱㓬ⱘ 㒓Ⳉ Ў0.86mm DŽ䞛⫼㻌䪰Ⳉ Ў0.75mm, 䴶⿃0.442DŽḍ ˄ ˅ H d d d mm u u 086608660750750860607./'.../..Q H '00607001736...⬅ 6-9 㒓 1 ⱘF R =R ac /R DC =3.5DŽѸ⌕ 㗫 DŽ⫼100㙵0.07mm ⱘ㒓㒘 ⱘ㒓Ⳉ 0.85mm,100ć ԡ䭓 ⬉䰏Ў0.61m ¡ cm.DŽⱘⳈ⌕⬉䰏R cm l N dc cp s ::/...000061611500558Ⳉ⌕ 㗫ЎI R W dc dc 1221350055801 u ...DŽ 㑻 㗫Ў0.2W DŽ㒓 100ḍ㒚 㒓ˈ ҹ㉫⬹ⳟ Ў10h 10䰉 DŽ䖭ḋ1 15 㒓 ҹⳟ10 ˈ↣ 150ḍ 㒓ⱘ㒓 㘨ˈ䖥ԐЎ 㒓Q ⱘ1/10ˈ Q =0.36 ˈR ac /R dc Ў1.2DŽ ℸR ac ˙R dc h 1.2=0.067¡DŽ㒓 ⱘѸ⌕ 㗫R ac I 2=0.067h 1.652=0.18W DŽ 㑻㒓 ⱘѸ⌕ 㗫Ў0.36W DŽ Ϟ0.2W ⱘⳈ⌕ 㗫ˈ ⱘ 㑻㒓 ⥛ 㗫˙0.56W(Ѹ⌕ 㗫⫼Ѹ⌕ 䞣 Ѹ⌕⬉䰏䅵ㅫˈⳈ⌕ 㗫⫼Ⳉ⌕ 䞣 Ⳉ⌕⬉䰏䅵ㅫˈ⃵㑻䅵ㅫ ⊩Ⳍ )ℹ偸16˖⹂ ⃵㑻㒓⃵㑻 ϸϾϔ 㑻П䯈ˈ⃵㑻 䪰 DŽ 1.3cm ˄ Ͼ㒓 ˅, 0.13cm DŽㄝ Ўϸ↉ˈ↣↉ϔ DŽ䪰 ⱘ Ѣこ䗣⏅ ˈҹ䰡ԢⳈ⌕ 㗫DŽ㗠ϡ Ѹ⌕ 㗫DŽ䖭 ЎѸ⌕⬉⌕ҙ⌕䖛↣ ⱘ 䖍DŽ ԧ ˈ㱑✊R ac /R dc ˈԚ њR dc ˈ㗠R ac ϡ DŽ⫼ϔϾ 䪰 㒓⃵㑻ˈ ⱘ Ϣ ԧⱘ Ⳍ ˈ0.1cm.⃵㑻↣ 䪰 䪰 ˈ Q ˙H/ =0.13/0.017=7.6DŽ⬅ 6.9ЁQ ˙7.6ˈ1 ˖F R =R ac /R dc =7.5㗠 R dc ²h 䭓h N s /(bw’h)=2.3h 10-6h 6.1h 2/(1.3h 0.13)=166­¡P dc =166­¡h 20.252=0.068WP ac =7.5h 166h 10-6h 24.52=0.75Wⱘ⃵㑻 㗫˖0.068W+0.75W=0.82W㒓 㑻 ⃵㑻 ⱘ䪰 㗫˖0.82W+0.56W=1.38W⺕㢃 㒓 㗫˖0.84W+1.38W=2.22W⥛ 㗫 㒱 䰤 2.5W ҹϟˈԚ⿡䍙䖛 ⏽ 40ćⱘ2.1W DŽ3 ­P 㒱㓬 7-10㗗 ⤂1.ljUnitrode Magnetics Design Handbook NJˉMagnetics Design for Switching Power Supplies Lloyd H. Dixon2.ljSwiching Power Supply DesignNJAbraham I. Pressman Second Edition McGraw-Hill 19983.lj⬉ ⬉ NJϕ䘧 㟾ぎ Ϯ ⠜⼒ 19994.ljPhilips Magnetic ComponentsNJ1996 (Mannul)105106㄀ ゴ⬉ ▔ 䆒䅵Ⓒ⊶⬉ ˈ ⬉ ▔ 䛑 Ā ⥛⬉ ā ⱘ DŽ Ӏⱘ 㛑 Ң⑤ 㛑䞣ˈ ⺕ Ёˈ✊ 䖭ѯ㛑䞣˄ 㗫˅Ӵ䕧 䋳䕑DŽ ▔ 䰙Ϟ ϔϾ 㒩㒘ⱘ㗺 ⬉ DŽϢϞϔゴ ϡ ˈ ϡ 㛑䞣ˈ㗠 ▔ 佪 㽕 㛑䞣ˈ ⺕㛑䕀 Ў⬉㛑Ӵ䕧 DŽ㗺 Ⓒ⊶⬉ ϡ Ѣ ▔ ˈ ▔ 㛑 䞞 ˗㗠㗺 Ⓒ⊶⬉ 㛑ˈ 䞞 DŽ8.1 ⫼⫼⬉䏃 ǃ ԰乥⥛ҹ 㒍⊶⬉⌕ㄝϡ ˈ⬉ 䆒䅵㗗㰥ⱘ ㋴гϡ DŽ⫼Ѣ ⬉⑤˄ ⳟ 8-1˅ⱘ⬉ ˖ķ 㒓 ⬉ ˉ䕧 Ⓒ⊶⬉ ˄Buck ˅ǃ ⬉ ˄Boost ˅ǃ ▔⬉ ˄Buck-Boost ˅ 䕧 Ⓒ⊶⬉ DŽĸ 㒓 ⬉ ˉ㗺 䕧 Ⓒ⊶⬉ ǃ ▔ DŽĹ EMI ῵Ⓒ⊶⬉ DŽ⬉䏃Ёˈ⬉ ϸϾ ԰῵ ˄ 8-2˅˖ķ ⬉ ⬉⌕ 㓁῵ ˉⶀ ˄ 㒓 Ё˅ ↣Ͼ ϔ䚼 䯈 ⬭ 䳊⢊ DŽĸ ⬉ ⬉⌕䖲㓁῵ ˉ ϔϾ ˈ⬉ ⬉⌕ ㅵ ҹ䖛䳊˄ ⌕⬉䏃ЁⒸ⊶⬉ ˅ˈ⬉ ⱘ ˄⺕ ˅≵ ⬭ 䳊ⱘ 䯈DŽ⬉⌕䖲㓁῵ Ёˈ㒍⊶⬉⌕䗮 䴲 ˄ ℹ ⌕䰸 ˅ˈ㒓 Ѹ⌕ 㗫 ⺕㢃Ѹ⌕ 㗫ϔ㠀ϡ䞡㽕ˈ 㛑䗝 䕗 ⱘ⺕䗮 ҹ ⬉ ⱘԧ⿃ˈ佅 䰤 䗝 ⺕䗮 ⱘЏ㽕 ㋴DŽԚ ⬉⌕ 㓁῵ ЁѸ⌕ 㗫 Џ ԡˈ⺕㢃 㒓 䆒䅵Ϣ㄀7ゴℷ▔ ⳌԐˈЏ㽕㗗㰥ⱘ ⺕㢃 㗫 㒓 ⱘѸⳈ⌕ 㗫 䍋ⱘ⏽ ⥛ⱘ DŽ8.1.1䕧 Ⓒ⊶⬉ ˄Buck ˅ℷ▔㉏䕧 Ⓒ⊶⬉ Buck 䕧 ⬉ ˄ 8-1(a)˅Ⳍ ˈϔ㠀 ԰ ⬉⌕䖲㓁῵ ( 8-2(b))DŽ⬉ 䞣ЎL U T I U T kI U D D kfI o of o of o i ot '212() (8-1) ЁU i ˉ⬉ 䕧 ッ⬉ (V)˗D ˉT on /T ˉ ぎ ˗U o ˙DU i ˉ䕧 ⬉ (V)˗f =1/T ˉ 乥⥛˄Hz ˅˗I o ˉ䕧 ⬉⌕˄A ˅˗T on , T of =T - T on ˉ䕧 ⬉ ⱘ催⬉ ˄ 䗮˅ 䯈 Ԣ⬉ ˄ℶ˅ 䯈DŽk = I /2I o DŽ䆌ⱘ㒍⊶⬉⌕ I 䍞 ˈ k 䍞 ˈ⬉ L 䍞 ˈ⬉⌕㒍⊶䍞 ˈ ҹ䗝 䕗 ⱘⒸ⊶⬉ ˗ U oU oU oo (d) ▔8-1⬉ ⫼ I (b) 䖲㓁῵ 8-2⬉ ⬉⌕῵107Пˈ⬉ L 䕗 ˈԚ⬉ 䕗 DŽϔ㠀䗝 k ˙0.05~0.1DŽ՟ ˈ ⒵䕑⬉⌕I o Ў10A ˈ ⱘ ϝ㾦⊶㒍⊶⬉⌕ I ЎI o ⱘ20ˁˈ 2A ˄ 催U i ˅ˈ ϟⱘ㒍⊶⬉⌕ 0.58A( (6-24)'I /12)ˈ㗠㒍⊶⬉⌕ ⱘ ҙ0.333A ˈⳈ⌕⬉⌕ⱘ 100ˈ ℸˈ Ѹ⌕I 2R 㗫ㄝѢⳈ⌕ 㗫ˈR ac /R dc ↨㽕 300˄ 6-9˅ˈϔ㠀ϡ 㛑䖒 300DŽ ҹˈѸ⌕㒓 㗫䗮 ϡ䞡㽕DŽℸ ˈ⺕㢃 ⱘⳈ⌕ ⺕ˈ㒍⊶⬉⌕ ˈⳌ ⱘ⺕䗮 г ˈ⺕㢃Ѹ⌕ 㗫г DŽ ℸ⺕㢃ⱘ⺕䗮 䗝 䍞催䍞 ˈ ✊ϡ 佅 DŽ䖭ḋˈ 䗮 㗫䕗 ⱘ催佅 ⺕䗮 ⺕ г ⫼԰催乥Ⓒ⊶⬉ DŽ՟ ˈ催佅 ⺕䗮 ⱘ 䞥 ˈ䈵⸙䩶⠛DG3ˉ0.05mm ҹϟⱘ ⫼ 40kHz DŽ 䪕㉝㢃ˈKool ­˄䪕䪱⸙㉝㢃˅ ⫼ N+]ˈ ҹ ˈԚ⺕㢃 㗫 ѯDŽ԰ 㓁῵ ( 8-2(a))ˈϔ㠀 ⒵䕑 䖒 Ј⬠䖲㓁䗝 ⬉ ˖L U T I U T I U D D fI o of o of o i od '212()˄8-2˅ Ё I =2I o DŽ↨䕗(8-1) (8-2) 㾕ˈ ԰ ⬉⌕ 㓁 ⬉ 䖰 Ѣ⬉⌕䖲㓁 ⬉ DŽϡㅵ 㒓 䖬 㒓 ⬉ ˈ ԰ ⬉⌕ 㓁῵ DŽ 㓁῵ 㱑✊⬉ ˈԚ佪 䕧 Ⓒ⊶⬉ ⱘ㒍⊶⬉⌕ њˈ㽕⒵䎇䕧 㒍⊶⬉ 㽕∖ˈ⬉ 䞣 ˈ 㗫г DŽ ⃵⺕㢃⺕䗮Џ㽕 㛝 䞣ˈ⺕㢃 㗫 DŽ㒓 Ѹ⌕ 䞣 ˈϡҙ㗗㰥Ⳉ⌕⬉䰏 㗫ˈ䖬㽕㗗㰥Ѹ⌕⬉䰏 㗫ˈ㒓 㗫 DŽ㄀ϝ⬉⌕䖲㓁 䕧 ⬉⌕䖥ԐㄝѢ䕧 ⬉⌕ˈ 㓁 ˈ ⬉⌕㟇 䕧 ⬉⌕ⱘⱘϔ ˈ њ ⥛ ӊⱘ 乱DŽ㄀ 㱑✊ њ ⥛ ӊ 䗮 Ѡ ㅵ 㗫ˈԚ ⥛ㅵ 㗫⬅Ѣ⬉⌕ 㗫г DŽ㄀Ѩ催乥 ˈ⬉⌕ 㓁㽕∖䕗 ⱘ⬉ 䞣˄ ˄8-2˅˅ˈ⬉ ԧ⿃ԐТ ҹ ˈԚҢ㄀ ゴ 䆒䅵ⶹ䘧ˈ ϔ ⱘ↨ 㗫ϟˈ䱣ⴔ乥⥛ 催 䆌⺕ ϟ䰡ˈ⬉ ԧ⿃ϡӮϟ䰡 ˗㄀ 䏃䕧 ˈϔ䏃⬉ ԰ 㓁῵ ˈѸ 䇗㡖 㛑 DŽ ҹ⬉ ⬉⌕ 㓁⫼Ѣ ⥛DŽ8.1.2 Boost Boost/Buck ⬉8-1(b)(c) ⼎ⱘBoost Boost/Buck ⬉ 䗮 䆒䅵 ⬉⌕䖲㓁῵ DŽ 䳔ⱘ⬉ 䞣˖L U T I U D kfI i on i it'2 (8-3) ЁI i =I o /¨(1-D )ˉ䕧 ⬉⌕ˈBoost ЁЎ䕧 ⬉⌕ ˗Boost/Buck ЁЎ䕧 ⬉⌕ 䗮 䯈⬉⌕ⱘЁ DŽ¨ˉ ⥛DŽԭヺ ˄8-2˅Ⳍ DŽ䴶䅼䆎ⱘⒸ⊶⬉ ϔḋˈ⬉ 䆒䅵䗮 Ⳉ⌕㒓 㗫 ⺕㢃佅 䰤 DŽԚ ϡ Boost ▔⬉ 䆒䅵 ⬉⌕ 㓁῵ ˈ䖭 Ў ⬉ ˈҢ㗠⬉ ԧ⿃ DŽ ⱘ䯂乬ϢⒸ⊶⬉ ⳌԐⱘ䯂乬DŽ 㓁 䳔㽕ⱘ⬉ 䞣˖o i i on i on i fI D D U I T U I T U L 2)1(2 '˄8-4˅⬉⑤ЁˈBoost ⊯ ⫼Ѣ ⥛ ℷ⬉䏃 Ԣ⬉ ⬉⑤ЁDŽ APFC(Active Power Factor Correction)⬉䏃Ёˈ 䕧 ⬉ ϡ Ⳉ⌕ˈ㗠 䖲㓁 ⱘ⬉㔥 ⌕ⱘ ⊶⊶ ˈ䖭 Փ Boost ⬉ 䆒䅵 DŽ⬅ѢU i 䱣⬉㔥⬉ ⊶ ˈ催⃵䇤⊶г䱣П ⫳ DŽ催乥㒍⊶⬉⌕ǃ⺕䗮 ǃ⺕㢃 㗫 㒓 㗫 Ͼ ⌕⬉㔥 Ё䱣ⴔ DŽϡ ⱘAPFC ⫼ˈ 䖯ϔℹ ˈBoost 䆒䅵 ϡ ⱘ ԰῵ ˖ 乥⥛䖲㓁 ǃ 乥䖲㓁 ǃЈ⬠䖲㓁 乥 ǃ 乥⥛ 㓁 ǃ 乥 㓁 䖲㓁῵ ҹ ⬉㔥⬉ Ԣˈ108⬉⌕ 䯈 䕏䕑 ԰ 㓁 DŽBuck ⬉ ϔḋˈ Boost ⬉ 䆒䅵ⱘ䰤 ㋴ (a) Ͼ⬉㔥 Ё 㗫˗(b) ⬉⌕ ⺕㢃佅 DŽ⺕㢃 ⫳ ⬉⌕ 㛑佅 DŽ ⬉㔥⬉ Ԣ ⌕⬉ ⊶ ⱘ ⦄ DŽ ⫼ⱘAPFC ⬉⌕ ˈ⬉ 䆒䅵ⳌԐѢ⬉ ⬉⌕䖲㓁Boost ⬉ ˈ䆒䅵 䆕 ˉԢ䕧 ⬉ ⱘ䕧 ⬉⌕ ⺕㢃ϡ佅 DŽ 䕧 ⬉ U i ㄝѢ䕧 ⬉ U o ϔ I ˈ ⺕㢃 㒓 Ѹ⌕ 㗫 DŽԚ Ў䗮 I 䖰 ѢԢ乥⬉⌕ˈϔ㠀㒓 Ѹ⌕ 㗫 ⬹ϡ䅵ˈ Ԣ乥⬉⌕ 䅵ㅫ㒓 㗫DŽ⺕㢃 㗫↨ϔ㠀Boost ˄䴲APFC ˅⬉ ѯDŽBoost ≵ ⬉⌕䰤 㛑 DŽ ℸˈ 䕏䕑 ぎ䕑 APFC DŽ Փ䖭ḋˈ ˈ䕧 ⬉⑤䗮䖛⬉ 㽕㒭䕧 ⬉ Ң䳊⬉ ⬉ˈ 䍋⬉䏃䇤 䍋⬉ ⶀ 佅 ˈѻ⫳ⱘ ⬉⌕ ϞϢㅔ ⱘ⬉ Ⓒ⊶Ⳍ DŽ Ԣ ⥛ ⫼ ˈ䗝 䞣ⱘ ⌕ ӊ Џ䕧 ⬉䏃І㘨ϔϾ ⱘ ⥛⬉䰏䰤⌕DŽ 催 ⥛ ˈ䗮 㽕䆒䅵ϧ䮼⬉䏃䰤 ⬉⌕䖛 ˈ ⌕ DŽ䰤 ⬉⌕ⱘ⬉䏃 8-3 ⼎DŽ8-3˄a ˅ ⬉䏃ЁІ㘨ϔϾ䰤⌕⬉䰏R DŽ ˈAPFC 㑻 ⥛ㅵ⒲ ˈ䕧 ⬉ 㒣 ⌕⬉䏃ǃL ǃ䰤⌕⬉䰏R Ѡ ㅵ 䕧 ⬉ ⬉ˈ 䕧 ⬉ ⬉ 䖒 䆒 ⬉ ˈ Sk 䯁 ˈ 䰤⌕⬉䰏ⷁ䏃ˈ䱣 APFC ⬉䏃DŽ(b) (a)Ё ⌕⬉䏃ЁѠ ㅵD 1 D 2 䯌ㅵDŽ ˈ 䯌ㅵϡ㾺 ˈ䕧 ⬉ 㒣Ϣ 䯌ㅵ 㘨ⱘD 3ˈR 1 D 4ˈR 2 ⌕DŽR 1 R 2 (a)ЁⱘR 㛑Ⳍ ˈ䰤 ⬉⌕DŽ ḋ 䕧 ⬉ ⬉ Ϟ ˈ⫼Ⳉ⌕㾺 䯌ㅵ 䗮ˈ 䯌ㅵ԰ЎѠ ㅵ䖤㸠DŽг ҹ ⬉䰏R 1 R 2 ϔϾ⬉䰏DŽ(c) 䰤⌕⬉䰏R ⿏ Ѹ⌕ջˈ ˈ㒻⬉ 䯌ㅵTh 㾺 䗮ˈ 䰤⌕⬉䰏R ⷁ䏃DŽЎ䙓 ⬉ 佅 LC 䇤 ˈҹϞ䰤⌕⬉䏃ϔ㠀 ⌕䕧 Boost 䕧 ッП䯈 ϔϾѠ ㅵˈ ˈ ⬉ ⷁ䏃DŽㅔ ⱘ䰤⌕ 䕧 ⬉ ⬉䏃ЁІ㘨ϔϾ䋳⏽ ㋏ ⛁ ⬉䰏NTC(Negative Temperature Coefficient) Џ⬉䏃ЁІ㘨ϔϾℷ⏽ ㋏ ⛁ ⬉䰏PTC(Positive Temperature Coefficient)DŽІ㘨䋳⏽ ㋏ ⛁ ⬉䰏 ⬉䰏䕗 ˈ䰤 ⬉⌕ˈℷ ԰ҹ ˈ⏽ 催ˈ⬉䰏ϟ䰡DŽ䖭⾡⬉䏃 䰤⌕㛑 ˈгㄝ њ⬉ ⱘESR DŽ Џ⬉䏃ЁІ㘨PTC ˈ ⃵ ˈ⬅ѢPTC ⏽ 催ˈ⬉䰏 ˈՓ⬉⑤ϡ㛑⒵䎇Ԣ䕧 ⬉ 㽕∖DŽ8.1.3 ▔▔ Փ ԰ ⬉⌕䖲㓁῵ ˈ ㅵ ϡӮ ⬭ 䳊ˈԚ ˈ Ѣ ▔ ⱘ↣Ͼ㒓 䇈ˈ㒓 ⬉⌕ Ѣ 㓁⢊ DŽ ✊⬉⌕˄ ˅ 㓁 ℸDŽ䖭 Ў 䯈ˈ⬉⌕˄ ˅ 㑻 ⃵㑻П䯈 䕀 ˈ 8-4 ⼎DŽ 㑻 ˈ⃵㑻 ㄝ䞣 ˈ ПѺ✊DŽ㱑✊ 䖲㓁ⱘˈ㒍⊶ ˈԚ↣Ͼ㒓 ⱘ⬉⌕Ѹ ⬅䳊 催 П䯈 DŽ 䆎Ҕ咑 ԰῵ ˈ㒓 Ѹ⌕ 㗫 DŽ⺕㢃Ϣ㒓 ϡ ˈ 㒍⊶ ˈ⺕㢃 ⱘⳈ⌕ ⺕ˈR(a) (b) (c)8-3 PF C 㑻 䰤⌕109ⱘ⺕䗮 DŽ ℸ 䅼䆎ⱘ⬉⌕䖲㓁῵ ϔḋˈ⺕㢃 㗫 DŽ 䖲㓁 䳔ⱘ⬉ 䞣˖L U T I U D kfI U D D kfI N N i on i i o 11112212t'() (8-5) Ёk = I 1/I 1= I 2/I 2˗I 1ˈI 2ˉ 㑻 ⃵㑻㛝 ⬉⌕ⱘЁ DŽN 1ˈN 2ˉ 㑻 ⃵㑻 ˗ ԭヺ Ϣ 䴶Ⳍ DŽ⬉⌕ 㓁῵ 㒓 ⺕㢃 㗫䛑 DŽ 䋳䕑 ˈҡ 㓁DŽḍ 䕧 ⥛ㄝѢ䕧 ⥛Ϣ ⥛㑻ⱘ 㗫П ˈ 㽕∖ⱘ⬉ 䞣Ў˖fP D U L o i 2)(2max min 1K d ˄8-6˅ ЁU imin ˉ Ԣ䕧 ⬉ ˄V ˅˗D max ˉ Ԣ䕧 ⬉ ぎ↨˗P o ˉ䕧 ⥛˄W ˅˗f ˉ 乥⥛˄Hz ˅˗¨ˉ ⥛ˈ 䆒䅵 Ў80%DŽ8.1.4㗺 Ⓒ⊶⬉ℷ▔ǃ ḹ ḹㄝ Ёˈ 㽕∖ 䏃䕧 ˈ䗮 䏃䕧 㞾 ⣀⫼ϔϾ⬉ ϔϾ⬉ Ⓒ⊶DŽ䕧 ⬉ ҙϔ䏃䯁⦃䇗㡖ˈ ԭ䕧 ⬉䏃 ⦃ ԰DŽ 8-5 3䕧 ⱘℷ▔ ⱘ՟ ˈ↣䏃䛑 ϔϾⒸ⊶⬉ DŽ1ʿ䕧 䯁⦃ ԰ˈ㗠 ԭ 䏃 ⦃ ԰DŽ 䏃⬉ ⬉⌕䖲㓁 ˈn 䏃䕧 ⬉ ЎU U U N N U D no i s d ª¬«º¼»21 (8-7) ЁU i ˉ䕧 Ⳉ⌕⬉ ˗U s ˉ ⥛ㅵ 䰡ˈ䖬 㑻㒓 ⬉䰏 䰡˗N 2ˉ⃵㑻㒓 ˗N 1ˉ 㑻㒓 ˗U d ˉ⃵㑻 ⌕ 䰡ˈ䖬 ⬉ 㒓 ⱘ⬉䰏䰡˗D =T on /T ˉ ぎ DŽ⥛ 䰡Ў1V ˈ 䕧 Ў10V ҹϟⱘԢ⬉ ˈϔ㠀䞛⫼㙪⡍ Ѡ ㅵ ⌕ 㓁⌕ˈ 䰡Ў0.5V ˗ 䕧 催⬉ 䞛⫼ Ѡ ㅵˈϔ㠀 1V DŽϞ ㅔ Ў>@U U N N D U D no i ª¬«º¼» 10505212.. (8-7a) (8-7a)ЁU 2Ў䕧 ⃵㑻㒓 Ϟ⬉ DŽ⬅Ѣ1ʿ䕧 U o 1 䯁⦃䇗㡖ˈ ⬉ ⬉⌕䖲㓁ˈ ⌕ 䰡 ˈ䕧 ⬉ Ϣ䋳䕑 Ϟ DŽ 䕧 ⬉ ˈ䇗㡖 ぎ D 䕧 ⬉ 〇 ˈ 䕧 г 〇 ˈ ⬅Ѣ 䰡ǃѠ ㅵ 䰡ҹ 㒓 ⬉䰏 䰡䱣䕧 ⬉⌕ 㗠 ˈ⬉ ⬉⌕䖲㓁 ϔ㠀䕧 ⬉ ϡ DŽ䏃䕧 ⬉⌕ Ј⬠䖲㓁⬉⌕ҹϟˈ䆹䏃䕧 ⬉ 䱣䋳䕑⬉⌕ ˈ䕧 Ϣ䕧 ⬉ ⱘ ㋏Ў8-4 ▔ ⬉⌕ 8-5 䏃䕧 ℷ▔1102max 4/11D I I U U G o i o (8-8) ЁI o ˉ⬉ ⬉⌕ 㓁 䕧 ⬉⌕˗I G max ˙U 2T/8L ˉ ぎ ㄝѢ0.5 Ј⬠䖲㓁⬉⌕DŽ㾕ˈ䕧 ⬉ ϡҙϢD ˈ㗠Ϩ䖬Ϣ䋳䕑⬉⌕ DŽ䕧 ⬉ ϡ ˈҙ1ʿ䕧 ⬉⌕ϟ䰡 Ј⬠䖲㓁⬉⌕ҹϟˈ⬅ (8-8) 㾕ˈЎ㓈 1ʿ䕧 ⬉ 〇 ˈ ぎ D ↨䖲㓁 DŽ㗠⬉⌕ҡЎ䖲㓁ⱘ ⦃䕧 ⬉ ҡ⬅ (8-7) ˈ䕧 ⬉ 䱣䯁⦃䇗㡖ⱘ ぎ ϟ䰡㗠䎳䱣 DŽ Пˈ 1ʿ⬉ ⬉⌕䖲㓁ˈ㗠 ⦃Ёⱘϔ䏃䋳䕑⬉⌕ϟ䰡 Ј⬠䖲㓁⬉⌕ҹϟˈ 䋳䕑⬉䰏 (R L =U o /I o )ˈ⬅Ѣ䯁⦃䕧 ⱘ ぎ ˈ 䗮 䯈ϡ ˈՓ ⦃⬉ ⬉⌕ 㓁ⱘ䕧 ⬉ ⬉ 䯈ϡ ˈ䋳䕑⬉䰏 㗠⬉ ⬉ϡ䎇ˈ䕧 ⬉ 催DŽ䖭 Ѹ 䇗㡖䯂乬DŽ ⦃䕧 ⬉ 㛑 䖒200̚300ˁDŽ↣ϔ䏃䛑 ⬉⌕䯂乬DŽ↣䏃⣀ゟ⬉ 䖬 Ѹ 䇗㡖䯂乬DŽ՟ 䋳䕑䎗 ˈ⬅ѢⒸ⊶⬉ 䞞 㛑䞣䳔㽕 䯈ˈ 䍋䕧 ⬉ ⊶ DŽ ⦃ⱘϔ䏃⬅⒵䕑ϟ䰡 ⬉⌕˄䋳䕑⬉䰏 ˅ˈ՟ 䖥Ј⬠⬉⌕ˈ ⬉ Ёⱘ㛑䞣ҹ⒵䕑⬉⌕ ⬉ˈ䗮䖛䕧 ⬉ ⱘ 催⍜㗫⬉ Ϟⱘ 㛑DŽ ぎ ⬅䯁⦃ 㗠ϡ ˈ䕧 ⬉ 催ˈ 䗮⬉⌕Ϟ ⥛ϟ䰡ˈ⬉⌕ϟ䰡⥛ ˈⳈ ⬉ Ё ԭⱘ 㛑⍜㗫 ˈ䕧 ⬉ 㛑 〇 DŽ 䯁⦃䕧 䋳䕑 ⫳さ ˈ䗮䖛 作䖙䗳 ぎ ˈ 䕧 ⬉ 䇗㡖 〇 DŽԚ ˈ ㅵ ⦃ 䏃䋳䕑 ⫳ ˈ䯁⦃⦃䏃ⱘ ぎ ϔ ⫳ ˈ ⦃ 䏃䕧 ⬉ 䱣П⊶ DŽ䕧 䖛䕑 ˈЎ䙓 䏃Ⓒ⊶⬉ 佅 ˈ ⣀⬉ Ⓒ⊶↣䏃䕧 乏 ⣀䆒㕂⬉⌕䰤 DŽℸ ˈ 㑻䇈 ˈ ⱘ⃵㑻 㘨ⱘDŽ 䏃䕧 䛑 㞾 ⱘⒸ⊶ ˈ䇤 ⚍ϡ DŽ 䇤 乥⥛ Ⳍ ѢϔϾ⬉⌕⑤DŽ ϔ䏃 ˈ⬅Ѣ䇤 乥⥛⚍催䰏 ⡍ ˈ 䍋䯁⦃⦃䏃 Ⲟϟ䰡 Ⳍ⿏ˈ ⬉⌕ 䯁⦃ 䏃 ⡍ Ϲ䞡DŽҹϞ ⳟ ˈ 䏃䕧 ⣀Ⓒ⊶⬉ 䆌 ⱘ㔎⚍DŽԚ 䏃䕧 Ё䗮 ϔ䏃 ϸ䏃 ↨䕗䞡㽕ⱘ䋳䕑ˈ Ԣ⬉ ˈ 5V ˈ䕧 ⬉⌕ DŽ ԭ䕧 催㊒ ˈ 㓁ϔϾ㒓 〇 ⺕䇗㡖 䖒 䳔ⱘ〇 㽕∖DŽԚ ѯ䋳䕑ˈ 亢 ˈ䖤ㅫ 偅 ⬉䏃ㄝկ⬉⬉⑤ˈ Փ⬉ 1̚2V 㣗 ˈг 䆌ⱘDŽ 㽕↣䏃 ԰ ⬉ ⬉⌕䖲㓁⢊ ˈ䋳䕑⬉ 䇗㡖䗮 1V ҹϟˈ 㛑⒵䎇Փ⫼㽕∖DŽ㽕Փ⬉ ⬉⌕ ԰ 䖲㓁⢊ ˈ Ѹ 䇗㡖䯂乬ˈ 䏃䕧 ⫼ϔϾ㗺 Ⓒ⊶⬉ DŽЎњՓ 䯂乬ㅔ ˈ 䕧 ϸ䏃ˈ ㅵ Ѡ ㅵЎ⧚ ӊDŽϸ䏃⃵㑻⬉ ЎU 21 U 22ˈ佪 䅼䆎ϸ䏃⫼⣀ゟ⬉ L 1 L 2DŽ⬉ ⬉⌕䖲㓁 䕧 ⬉ ЎU DU o 121 (8-9a) U DU o 222 (8-9b)ЎϸϾ⃵㑻㒓 㒩 ϔϾ ϞˈU 21/U 22=N 21/N 22DŽ U o1< U o2ˈ U 22 U 21˖U 22’=N 21 U 22/N 22DŽ ℸU DU U o o 2221'' ˄8-10˅ Ў Ԣ ッⱘ䕧 ⬉ Ⳍㄝˈ ҹ 㘨 ϔ䍋DŽ ϔϾ䕧 䇈ˈⳌ ѢϸϾ⬉ 㘨ˈ䕧 ⬉⌕ⱘ ⥛Ўon o i T I L t i L U U ' d d ˄8-11˅ϸϾ 㘨ⱘ⬉ 㒓 㒩 ϔϾ⺕㢃Ϟˉ㗺 ⬉ ˈL 1 2ʿ䕧 1ʿ䕧 ⱘ⬉ L’2ⱘ 乏ⳌㄝDŽ 䍋ⱘϡ ⱘѦ ⬉ ˈ ϸϾ䕧 П䯈 䍋⦃⌕ˈ 㟈䕧 㒍⊶ DŽℸˈ↣䏃䕧 Ⓒ⊶㗺㗺 ⬉ ⱘ ↨ 乏Ϣ ⃵㑻 ↨㊒⹂Ⳍ DŽ111⬅Ѣ 㗺 ⬉ ˈ 䞞 㛑䞣 ϔϾ⺕㢃⺕ Ёˈ↣Ͼ 䏃ⱘ㛑䞣ⱘ 㛑䞣ⱘϔ䚼 ˈ ℸѸ 䇗㡖ⱘ ϟ䰡ˈϔ㠀10̚30ˁ ˈ㗠ϡ 200̚300ˁDŽϔϾ䕧 ˈϸϾ䕧 Ўϔ䏃䕧 ˈ ⬉⌕ ϸ㗙П DŽ 䕧 ⬉ ESR г ↨՟ ˈ㒍⊶⬉⌕г ↨՟ 䜡DŽ 䰙Ϟˈ 㗺 㒓 ⱘП䯈 ϡ㗺 ⱘⓣ 㒓⬉ ˈ㗠ϨѦϡⳌㄝˈ䖭 ⓣ ⱘ㗺 ⬉ ㄝ ⬉䏃8-6 ⼎DŽL m Ў㗺 ⬉ ˈ⌕䖛 ⱘ㒍⊶⬉⌕( (8-11))DŽL s 1Ў1ʿ䕧 ⬉ ⱘⓣ 㒓⬉ ˗L s 2’Ў2ʿ䕧 1ʿ䕧 ⬉ ⱘⓣ 㒓⬉ DŽ ✊㒍⊶⬉⌕ 䏃ⱘ䰏 ↨ 䜡DŽ⬅ㄝ ⬉䏃 㾕ˈ 䋳䕑䰏 ↨⬉ ESR ˈ 䏃䰏 Џ㽕 L s ⬉ ⱘESR DŽ㗠2ʿ䕧 1ʿ䕧 ⱘL s 2’ ESR2’䛑㽕䰸ҹ ↨ⱘ DŽ 2ʿ䕧 催Ѣ1ʿ䕧 ˈ2ʿ䕧 Ѣ50V ˈ䕧 ⬉ ⱘESR 䱣 䞣 ↨ ˈԚѢ ↨ ˈ ㅫ ѢESR1䚼 ˈ㗠 㒓⬉ 䰸ҹ ↨ 䖰 ѢԢ ッⱘ 㒓 ˈ 㨫DŽ ℸL s 2’< L s 1 ⌕䗮ˈ⫮㟇⍜䰸њ㋏㒳ⱘ ⬉⌕䯂乬DŽḍ 䖭ϔ㒍⊶ 䜡 ⧚ˈ ⫼ 䕧 Ⓒ⊶⬉ DŽ 䕧Ⓒ⊶⬉ Ϟ㒩 ϸϾ㗺 㒓 ˉѸ⌕㒓 Ⳉ⌕㒓 ˈѸ⌕㒓 ㋻䌈⺕㢃ˈⓣ ˈ㗠Ⳉ⌕㒓 㒩 ˈ 䕗 ⱘⓣ DŽϸϾ㒓 ⱘ䕧 ッ䖲 ϔ䍋ˈⳈ⌕㒓 ϔッ 䕧 㾘䕧 ⬉ C 1䕧 ˗Ѹ⌕㒓 ϔッ㒣䇤 ⬉ C 2 䕧ッDŽㄝ ⬉䏃 8-7 ⼎DŽѸ⌕㒓 Ϣ㗺 ⬉ 䕧 ⊶乥⥛䇤 ˈ⌕䖛 䚼 㒍⊶ˈ㗠Ⳉ⌕㒓 䕧 㒍⊶⬉⌕ DŽ䆒䅵 䏃㗺 ⬉ ˈ 㗺 ⬉ 䏃 Ԣ䕧 ッˈḍ 䕧 ⬉⌕ 㒓 䗝 ⺕㢃ǃ 㒓 䴶⿃ҹ 㒓 㒓 ǃ DŽ✊ ḍ 䏃 䰙⬉⌕ ⃵㑻 ↨ 㒓 DŽ 㒓 㡃 㗺 ˈ催 㒍⊶⬉⌕ˈϔ㠀㋻䌈⺕㢃 ⓣ ˄2ˁ ˅䕗 DŽԚⓣ ϡ 䍙䖛10ˁˈ Ѹ 䇗㡖 DŽ8.2 㗫 ⏽㄀ ゴ䅼䆎ⱘ⏽ 䰤 ǃ 㗫 ⛁䰏ㄝ ㋏ˈ䗮 г䗖⫼Ѣ⬉ DŽ䆒䅵⬉⌕ 㓁῵ ⬉ ˈ⺕㢃 㗫 DŽ ⺕㢃 㗫䖥ԐㄝѢ㒓 㗫ˈ 㗫 ,⬉ ԧ⿃г DŽ ⬉ ⬉⌕䖲㓁 ˈ⺕㢃 㗫䗮 ⬹ϡ䅵ˈ ℸ㒓 㗫 ⱘ 㗫DŽ8.3⺕㢃8.3.1⺕㢃⇨䱭⧚ ⱘ 催ⶽ ⱘ⺕㢃 ϡ 㛑ⱘDŽ 䰙催⺕ ⥛ ⺕㢃 ⱘ㛑䞣ˈ䗕 ⺕㢃㛑䞣ⱘϔ䚼 Ў⺕⒲ 㗫ˈ 㒜⍜㗫 DŽ⬉ ϔϾ㛑䞣 ӊDŽЎњ 䖨 㛑䞣 ⬉䏃Ё ˈ 㽕∖ԧ⿃ ˈ⬅ ˄1-13˅ ⶹˈ ⺕㢃ϡ佅 ϟˈ⺕ ⥛ϡ㛑 催ˈԚ ϡ㛑 DŽЎℸˈ 催⺕ ⥛ ⺕㢃ЁІ㘨ϔϾ䴲⺕⇨䱭ˈ⫼ 䇗 ⺕ ⥛­H DŽ 䪕⇻ԧ 䞥 ⺕㢃Ёˈ䳔㽕ϔϾ ⣀ⱘ⇨䱭DŽԚ ㉝ 䞥 ⺕㢃Ёˈ⇨䱭 ⺕ 䞥 ㉝ П䯈ˉ12’ 8-7 Ⓒ⊶⬉ ⱘ㗺 ⬉ㄝ ⬉䏃112㉬㒧 ⱘぎ䯈DŽ⺕ ӊ 䞞 ⺕㛑 ˈ⺕㢃Ё ˖˄a ˅㛑䞣ⱘ 䞞 Ԉ䱣ⴔ⺕䗮ⱘ ˈ⬅ℸ 䍋⺕㢃 㗫˗˄b ˅⺕㢃Ӯ佅 DŽ佅 ⺕ ϔ ⺕䗮 ҹϞˈ⺕㢃㒘 ⱘ⺕䏃 њ催⺕䰏DŽ⺕㢃 㗫 䍋ⱘ⏽ 䰤ⱘ佅 ⺕ 䰤 њ⇨䱭⺕㢃 㛑䞣ⱘ㛑 DŽԧ⿃ ˈ Ԣⱘ⬉ 䆒䅵䗑∖ⱘⳂ DŽԧ⿃ ⴔ⺕㢃 ⫼ ˈ 㗫 DŽ ⡍ ⱘ ⫼ ӊϟˈ Շ⺕㢃 ⫼⥛˄ ԧ⿃˅Ϣ Շ⇨䱭䭓 ˄ ⇨䱭ⱘ⺕㉝㢃 ⺕ ⥛­e ˅DŽϡ ⫼ ϡ 乥⥛ⱘⳌ ⱘ⺕㢃ˈ Շ⇨䱭䭓 ϡ DŽ⺕㢃 ⫼ ˈ 㽕∖⺕㢃 ԰ ⺕䗮 ˄ 佅 ⺕ ⺕㢃 㗫䰤 ˅ 㒓 ⬉⌕ ˄ 㒓 㗫䰤 ˅ Շ⇨䱭䭓 ˈ 㛑㦋 ⱘ⺕㢃 DŽ ҹ⬉ 䆒䅵 㽕 ∖ Շ⇨䱭䭓 ˄ Ѣ ⇨䱭∖ Շ­e ˅DŽ8-8⼎ њ Շ⇨䱭⺕㢃⡍ 㒓ˈ㒉 ⺕㢃 ⺕ˉB S 䰤 ˗῾ ⺕ 㒓 ⬉⌕ 䰤 DŽ⡍ 㒓 㒉 П䯈ⱘ䴶⿃㸼⼎⺕㢃 㛑㛑 DŽ ⇨䱭 ˄ϡ Շˈ⡍ ⥛ϡ ˅ Ѣ ⼎ ⱘ㛑䞣DŽϔ㠀 䲒 ⺕㢃 Շ ⫼DŽ㄀ϝゴ Ӏⳟ ˈ 催⺕ ⥛ ⱘ⺕㢃≵ ⇨䱭ˈ㒓 ⺕㢃Ϟˈ⊓ⴔ⺕䏃 ⚍⺕ԡ ⱘˈг 䇈ˈ ⺕ DŽ ⇨䱭 Ͼ⺕㢃 ˈ䈵⺕㉝㢃 ˈ㒓 г 乏 Ͼ⺕㢃ⱘ䭓 ϞDŽ ⦃ ⺕㉝㢃㒓 Ͼ⺕㢃Ϟˈ ⺕䗮 DŽԚ 催⺕ ⥛⺕䏃 ϔϾ⇨䱭ˈ Т 䚼▔ ⺕ ⇨䱭Ϟˈ ⇨䱭䖍㓬 䚏䖥ⱘ⺕䏃Ϟ Ϲ䞡ⱘ䖍㓬⺕䗮 䚼ⱘ ⺕䗮DŽЎњ ⺕䗮ˈ 㒓 Ϣ⇨䱭ϔ㟈DŽ՟ ˈ 8-9a ⼎ⱘC ⺕㢃ˈ⇨䱭 ϔϾ㢃 ϞDŽ㒓 ⇨䱭䴶ⱘ㢃 ˄ ⇨䱭˅Ϟˈ Ͼ㒓 ѻ⫳ⱘ⺕ ⺕㢃Ϟˈ ⱘ ⺕䗮 ӊ ˈ Ϟ⇨䱭ッ䴶⺕䗮DŽ ⺕ ⱘ 㛑䞣㛑 ⇨䱭 㛑 ϡ ˈՓ⬉ 䖰 Ѣ ⱘ⬉ DŽ䖭ѯ ⺕䗮EMI 㗺 ⬉䏃 䚼ぎ䯈DŽ⇨䱭䍞 ˈ ⺕䗮↨՟䍞 ˈ 䲒乘䅵 ⺕䗮 ⱘ⬉ 䞣DŽ㱑✊ ㄀ϝゴҟ㒡њϡ ⺕䏃ⱘ⬉ 䅵ㅫ ⊩ˈ㊒⹂䅵ㅫҡ 䲒DŽԚ Ⳍ ⱘ㒓 㕂 ⇨䱭㢃 Ϟˈ 8-9b ⼎DŽ Ͼ㒓 ⺕Ⳉ 䰡㨑 ⇨䱭䭓 ϞDŽ 㒓 䭓 ҹ ⱘ⺕䏃⺕ 䰡䖥ԐЎ䳊ˈ⺕ԡ ˈ ⺕䗮г DŽ ⬉䏃 DŽ ѢE ˄EE ˈEC ˈETD ˈRM ㄝㄝ˅⺕㢃ˈϸ ⺕㢃П䯈ⱘ⇨䱭ЎЁ ⇨䱭ⱘϔ DŽ⇨䱭 Ё Ϟˈ䖍 ϡ⬭⇨䱭ˈ䖒 8-9(b)Ⳍ ⱘ㒧 DŽϔϾ㒓 Ⳉ ⇨䱭Ϟ ˈ ⇨䱭 Ϣッ䴶 П↨ 1/20ҹϟ ˈ䖍㓬⺕䗮 䕗 ˈ 䖥Ԑ⫼ (3-12)䅵ㅫ⬉ DŽ ⇨䱭 䕗 ˈ ϡ ⬹䖍㓬⺕䗮ˈ 䞛⫼ (3-22)~(3-23)䅵ㅫDŽ⊼ ⱘ ˈ ⺕䗮ǃ䖍㓬⺕䗮 ッ䴶⺕䗮 䚼䗮䖛㒓 Ё ⱘ⺕㢃 䴶ˈ䖭䞠⺕㢃⺕䗮 ˈ 㛑䖛 ⫳佅 DŽ ゴ 䴶䆒䅵ℹ偸7 8䆒䅵䅵ㅫⱘ⇨䱭䭓 П ˈ Ḍ⺕㢃 ⺕䗮 ˈ 䗮䖛ϔϾḋ ⬉ 偠䆕DŽ⌟䞣ⱘ⬉ ˈϡ㽕 ˈ䖭ḋ 㛑ӮՓ 㗫䖛 ⺕㢃佅 DŽ ⇨䱭 ⬉ DŽ ⌟䞣⬉ ˈ ҹ ˈԚ ⺕㢃 ⫼⥛Ԣˈ㒓 㗫䖛 DŽ 䗮䖛 ⇨䱭䭓 ⬉ DŽ8.3.2 ⺕ 䍋ⱘ 㗫ĥE8-8⺕㢃 Շ ⫼ (b) ⺕8-9 ⺕䗮113Ў ⺕䗮 ⺕ ˈ㒓 㕂 ⇨䱭㢃 ϞDŽԚ ⇨䱭䖍㓬⺕䗮こ䖛㒓 ˈ䴴䖥⇨䱭ⱘ㒓 ⱘϔѯ Ѣ催⺕䗮 ⱘ䖍㓬⺕ ЁDŽ ⺕䗮 ˈ Ѣ催⺕䗮 ⱘ㒓 Ё 㛑 ⦄䴲 ⱘ⍵⌕ 㗫ˈ䗴 Ϲ䞡䖛⛁DŽ䖭Ͼ䯂乬 ⬉⌕ 㓁῵ ⱘ ▔ Boost ⬉ Ϲ䞡ˈ Ў⒵䕑 ⺕䗮 䴲 DŽ ѢⒸ⊶⬉ ˈ 䆒䅵 ⬉⌕䖲㓁῵ ӏԩ⬉ ˈ⺕䗮 䞣 ˈ䯂乬ϡ Ϲ䞡DŽѢ ԰ ⺕䗮 ⱘ⺕ ӊˈϔ㠀䞛 ҹϟ ⊩˖˄1˅㱑✊ 㒓 Ⳉ Ё ⇨䱭ϞˈԚϡ㽕 㒓 ⇨䱭䰘䖥ˈ⫼ϔϾ䴲⺕ⱘ ⠛ 㕂 䖍㓬⺕䗮 ⱘぎ䯈ҷ 㒓 ⱘぎ䯈DŽ˄2˅ 㒓 Ё ⱘϔϾ⇨䱭 ϸϾˈϝϾ ⇨䱭ˈ Ё Ϟˈ Ё ϸϾ ↉DŽ Ў⺕㢃䖍㓬⺕䗮ⱘ 䎱⾏ℷ↨Ѣ⇨䱭䭓 ˈ Ͼ ⇨䱭 њ ⱘ䖍㓬⺕ ˈ䖭Փ ⬉ 䅵ㅫ䕗Ў㊒⹂DŽ˄3˅⫼ϔϾ䪕㉝㢃Ầҷ ⇨䱭ˈ 䪕⇻ԧⱘЁ ˈ 䖍㓬⺕䗮DŽ⇨䱭 䪕㉝㢃Ёˈ ⱘ䭓 ㄝѢ㒓 ˈ㱑✊ ⍜䰸њ䖍㓬⺕ ˈԚ催乥 ⺕㉝㢃Ѹ⌕ 㗫䕗 DŽ⬉ ԰ 㓁῵ ˈ⺕䗮 ˈ 㗙 䗚 Ѹ⌕䕧 Ⓒ⊶⬉ ˈ㒓 Ⳉ 㕂 ⇨䱭㢃 ϞѸ⌕ 㗫 DŽ⫼ϸ ⺕㢃 ԰Ў⇨䱭ˈ䖭ḋЁ ϔ ⇨䱭ˈ䖍 ϔ ⇨䱭ˈ䙓 ⷨ⺼Ё DŽ䖭 Ⳍ ⺕䗮 ⬉ ⱘ 䖍ˈ䕤 EMI ˈ Փ⬉ ˈ䅵ㅫ 䲒DŽ䖭 8-9a b 㓐 ϔ䍋ⱘ DŽ њ⇨䱭ⱘ䖍㓬⺕䗮 䍋ⱘ⍵⌕DŽЎњ 䚼 ⺕ ˈ⫼ϔ 䪰 ㋻䌈㒓 ǃ䖍 䖍 ϔϾⷁ䏃⦃DŽ⺕㢃 ⬠ ӏԩ⺕䗮 ˈ Ϣ ⷁ䏃⦃䫒 ˈ ⷁ䏃⦃Ё ϔϾ⬉⌕ˈℸ⬉⌕ѻ⫳ⱘ⺕ 䫔 ⺕䗮ⱘ ⊘DŽ8.3.3 ⬉ ⺕䗮⬉⌕䖲㓁῵ ⬉ Ёˈ ⱘⳈ⌕ 䞣ˈ ⺕䗮 B + B 佅 䰤 ˈ⺕㢃⺕䗮 䞣ϡ㛑䗝 DŽ ԧ⿃㽕∖ϹḐⱘ⬉ Ёˈ ҹ⫼∌Й⺕䪕 Ⳉ⌕ 䞣 䫔 ˈ䖭ḋ 䗝 䕗 ⱘ B DŽ∌Й⺕䪕ѻ⫳ⱘ⺕ ϢⳈ⌕ 㕂⺕ Ⳍ ˈ ∌Й⺕䪕 ԰ ㄀Ѡ䈵䰤ˈ䕃⺕⺕㢃 ԰ ㄀ϝ ㄀ϔ䈵䰤DŽ Ў 䕗 ⱘѸ⌕ 䞣ˈ∌Й⺕䪕 ԰ ⺕ 㒓ⱘ 㒓Ϟˈ㽕∖ ⺕ 䚼⺕ ⥛ ⺕ ⥛Ⳍㄝˈ ⺕ 㒓 B r H c П䯈ϔ Ⳉ㒓DŽ ∌⺕ 催ⱘ⶿乑⺕ H c 催 ⺕ B r DŽϔ㠀 ⿔ ∌⺕ 䖭ϔ 䋼DŽ ∌Й⺕䪕 ⺕ 㒓˄㄀Ѡ䈵䰤˅ЎⳈ㒓ˈ ⺕ 㒓Ϟӏ ⚍ⱘ⺕ ЎH B H H B B B d r Cr r P P 0 Ё­d ˉ ⺕ 㒓Ⳍ ⺕ ⥛DŽ 䭓 Ўl m ⱘ∌Й⺕䪕 Ⳍ ⺕ ⥛Ў­r ⱘ䕃⺕⺕㢃Ёˈ⺕㢃ⱘ ⺕䏃䭓 Ўl e ˈ ⱘ∌⺕ 䴶⿃Ϣ䕃⺕⺕㢃 䴶⿃Ⳍ ˈϨЎA e DŽ⬅Ѣ 䴶⿃Ⳍ ˈ⺕ гⳌㄝDŽ ḍ ⦃䏃e e r e d m e c m m c Bl Bl Bl l H Hl l H P P P P P P 000Ё11 ¸¸¹·¨¨©§ r dc m e l l P P P ˉ ∌Й⺕䪕 ⱘ⺕㋏㒳 ⺕ ⥛ˈⳌ Ϣ⇨䱭⺕㢃 ⺕ ⥛DŽϔ㠀 ⺕ ⥛ 䖍 Ё㄀Ѡ䖰䖰 Ѣ㄀ϔ乍ˈ­e Ĭ­d l c /l m DŽ㒓 ⱘⳈ⌕ ⺕Ϣ∌⺕ⱘ▔⺕ Ⳍ ˈ 㒓 ≵ 䗮⬉⌕ ˈ䕃⺕⺕㢃 ԰ ㄀ϝ䈵䰤DŽ 㒓 䗮⬉⌕ ˈ⺕ ㄀ϔ䈵䰤DŽ ℸ䕃⺕ ⱘ佅 ⺕ Ѣ∌Й⺕䪕ⱘ ⺕ DŽ㒓 ⬉⌕ Ѣ∌Й⺕䪕 ⺕⺕ ˈЎњ∌⺕〇 ԰ˈ㒓 ⺕ NI Ѣ∌Й⺕䪕⶿乑⺕ H c l m DŽ8.3.4⺕㢃 ⢊114乥⥛䍙䖛50kHz ˈ ԰ 㓁῵ ⱘ⬉ ⺕㢃 ˈ 䗝 䪕⇻ԧ ˈϢℷ▔ ⺕㢃ⳌԐDŽԚ ˈ 䖲㓁῵ ˈ㒍⊶⬉⌕ ˈ ⺕䗮 г ˈ䪕⇻ԧ䗮 佅 䰤 DŽ 䖭⾡ ϟˈ 䞛⫼催佅 ⺕ Ԛ⺕㢃 㗫䕗 ⱘ ˈ䈵䪕㉝㢃ˈKool ­ˈⲂ㥿 䞥㉝㢃ˈ ⇨䱭ⱘ 䞥 ⺕㢃 ԧ⿃ˈ DŽԚ ˈ䞥 ⺕㉝㢃B-H ⡍ ⬉⌕ 㛑↨䕗Ā䕃āˈ⬉ 䱣䋳䕑⬉⌕ 㗠 ˈ Ў䴲㒓 ⬉ DŽ䖭 ϔ㠀 ⬉⑤ ϡ ⱘDŽ԰ ⬉⌕䖲㓁῵ ⱘ⬉ 䇈ˈ ЎѸ⌕ 㗫䗮 ԢˈⒸ⊶⬉ ⺕㢃 ⢊ に ϡ 䞡㽕ⱘDŽԚ Ѣ 㓁῵ ⱘ⬉ ˈ⡍ ▔ ˈに 䴶⿃⡍ 䞡㽕DŽに 㛑 ˈՓ㒓 㗠 ˈҢ㗠 Ѹ⌕⬉䰏DŽ ˈ に г ⓣ ˈ⬉㔥㒱㓬㽕∖ⱘ⠀⬉䎱⾏ 䕗 DŽ に 㒓 䳔㽕ⱘ催 Ԣˈに ⫼⥛䗮 ↨䕗 DŽ㒣 ㄀ 㡖䅼䆎䖛ˈ Ⳍ ⱘ⺕㢃 ˈ㔤 PQ に 䴶⿃ DŽに ⢊ϡ䗖 ▔ ⬉⌕ 㓁῵ ⬉ DŽEC ˈETD ˈLP ⺕㢃 䚼EE ⺕㢃 ⢊ˈ ⱘ㗠 ⱘに DŽ䖭ѯ⺕㢃 ⢊䞛⫼ 䪰 ⱘ㒓 ˈ⡍ ԰Ѣ䖲㓁῵ ˈѸ⌕㒓 㗫 DŽ⺕㉝㢃⦃ ⺕㢃ˈ㒓 Ͼ⺕㢃Ϟˈ ⺕䗮 EMI 䛑 ˈ ⫼Ѣӏԩ⬉ ▔ DŽԚ ⥛㒩㒓 䲒DŽϡ㽕䗝 ⦃ 䪕⇻ԧ⇨䱭⺕㢃ˈ㒩㒓 䲒ˈ ⺕г DŽ8.3.5 ⺕㢃㄀ϗゴ (7-6)䅼䆎⫼䴶⿃Ь⿃ ㉫䗝 ⺕㢃 DŽ⬉ ⺕㢃 ㉫䗝г ⫼䴶⿃Ь⿃ DŽ 㗫ϡϹ䞡ˈ佅 䰤 ⺕㢃ⱘ ⺕䗮 B max ˈ䴶⿃Ь⿃㒣偠 Ў˖43411max cm »¼º«¬ª K I B LI A A AP L Sp c W (8-12a)⺕㢃 㗫Ϲ䞡 ˈ 㗫䰤 ⱘ⺕䗮 B ˈ䴶⿃Ь⿃Ў˖4342maxcm »¼º«¬ª K I B I L A A AP FL C W '' (8-12b)ЁL ˉ⬉ ˄H ˅˗I Sp ˉ ⷁ䏃⬉⌕˄A ˅˗B max ˉ佅 䰤 ⱘ ⺕䗮 ˄T ˅˗ ,ˉ 㑻⬉⌕ 䞣˄$˅˗%PD[ˉ ⺕䗮 ˄7˅˗ I 1L ˉ⒵䕑 㑻⬉⌕ ˗41max 2110, u W k J K K (8-13)Ё˖J ma x ˉ ⬉⌕ ˄A ˅˗k 1w ˉ 㑻䪰䴶⿃/に 䴶⿃˗10ˉ4ˉ⬅㉇ Ў ㉇ⱘ㋏ DŽѢ 㒓 ⬉ ˈҹϞⱘ 㑻 Ͼ㒓DŽk 1w 㸼⼎㒓 に ⱘ ⫼⥛DŽ 㒓 ⬉ ˈk 1w ⱘ䪰䴶⿃Ϣに 䴶⿃A W П↨ˈ ㋏ k w DŽ Ѣ ▔ ˈk 1w 㑻䪰ⱘ䴶⿃Ϣ ⱘに 䴶⿃П↨DŽK 1ˈK 2 k 1w 㸼8-1 ⼎DŽ佅 䰤 (8-12a)Ёˈ 㒓 㗫↨⺕㢃 㗫 ˈK 1 ḍ 㞾✊ ⱘ ϟˈ⬉⌕ 420A/cm 2 ⱘ㒣偠 DŽ㸼8-1 ⫼k 1w K 1K 2㒓 ⬉ 0.7 0.03 0.021 㒓 Ⓒ⊶⬉ 0.65 0.027 0.019 Buck/Boost ⬉ 0.3 0.013 0.009 ▔ 0.2 0.0085 0.006115(8-12b)Ёˈ 㗫 ⺕䗮 DŽ ⺕㢃 㗫 㒓 㗫䖥ԐⳌㄝˈ ҹˈ㒓 㗫 㗫ϔ ˈ ⬉⌕ 297A/cm 2(420h 0.707)ˈ K 2=0.707h K 1DŽϸϾ䴶⿃Ь⿃ ˄8-12˅Ёˈ 䛑䞛⫼㄀ ゴ䰤 催乥䲚㙸 ⱘ ˈ㒓 ⱘ催乥 㗫 Ѣ 㒓 㗫ⱘ1/3DŽ䖿 䆌催 㗫˄Ԛ њ ⥛˅DŽK ⬉⌕ 催㗠 ˈՓ⺕㢃䴶⿃Ь⿃ϟ䰡DŽ䴶⿃Ь⿃ ⱘ4/3 㸼⼎⺕㢃 ˈ⺕㢃 㒓 ˄ѻ⫳ 㗫˅ԧ⿃ Ѣ㸼䴶⿃ⱘ ˄䗮䖛㸼䴶 ⛁˅DŽ ℸ⺕㢃 ⱘ ⥛ 䰡ԢDŽѢ⺕㢃 㗫䰤 ⱘ ˈ ˄8-12b ˅Ё %PD[ ⺕㢃 㗫Ў mW/cmⱘ䖥Ԑ ˉ㞾✊ DŽḍ Փ⫼ⱘ⺕㢃 ˈҢ ⱘ⺕㢃↨ 㗫 㒓㒉 ⱘ mW/cm 3( 4-20) ˈ∈ Ⳉ㒓Ѹ Ⳍ ⱘ ԰˄㒍⊶˅乥⥛ 㗫 㒓ˈ ⬅Ѹ⚍ ϟ∖ Ā⺕䗮 ā DŽ 㗫 ⿄⺕ ∖ ⱘˈ Ѣ ⺕ ˈ ⱘ⺕䗮 Ьҹ2ˈ ⺕䗮%PD[DŽ ԡ 催 ˈ %PD[䰸ҹˈ ԡ Ў7DŽг ҹ ⫼㸼 Ё 䅵ㅫDŽ⬉ ԰ ⬉⌕䖲㓁῵ ˈ՟ 8-1˄a ˅Buck 䕧 Ⓒ⊶⬉ ˈ〇 ⬉⌕⊶ (8-2b) ⼎DŽ⇨䱭⺕䰏䖰 Ѣ ⺕ԧ ⺕䰏ˈ⺕㢃ⱘ䴲㒓 㹿⇨䱭ⱘ㒓 Ā⑂≵āњ˄ 4-12˅DŽ ℸ 佅 ⺕ ҹϟˈ ⺕ ⥛ Ϟ DŽ⬉䏃Ё⬉ 䞛⫼⇨䱭⺕㢃ˈ⬉ 䞣ЎL ˈ N ˈ⺕㢃 䴶⿃A e ˈ⺕䏃䭓 Ўl ˈ⇨䱭䭓 ¥DŽ ԧㅵ 䗮 ˈḍ ⬉⺕U U L I T NA BT i o on on '' (8-14) ⬉ ⬉⌕ЎI p ˈḍ 䏃NI H l H p c G G (8-15)⇨䱭 ˈ ⬹䖍㓬⺕ ˈ⇨䱭ッ䴶⺕䗮Ϣ⺕㢃⺕䗮Ⳍㄝˈ 㗗㰥 L=N 2­ A e ¥ˈP G P 'G 'N B I N B I pp(8-16)Ҹk = , ,S DŽḍ (8-16)''B B II k p p2 (8-17) ⬉ ⬉⌕ ˈ㒍⊶⬉⌕ ϡ ˈ I ˙I G = I /2ˈ ⬉ ⬉⌕㒻㓁 ˈ⬉ ⬉⌕ 㓁ˈ䕧 ⬉ Ϣ䕧 ⬉ ϡ U o =DU i ⱘ㒓 ㋏DŽk 䍞 ,⬉⌕㒍⊶ ˈI G 䍞 ˈ㒓 㣗 䍞 ˗Ԛ⬉ 䍞 DŽ Пˈ⬉⌕㒍⊶ ˈ⬉ 䍞 DŽ 䗄ˈ䗮 䗝 k =0.05~0.1DŽҢ (8-17) 㾕ˈ N 0.05̚0.1 ˈ⺕䗮 ⱘ㛝 䞣 ˈ 乥⥛ԢѢ250kHz ҹϟˈ䗮 ⺕㢃 㗫ϔ㠀ϡ䍙䖛100mW/cm 3DŽ⺕䗮 佅 䰤 DŽ ℸ⺕㢃ⱘ ⺕䗮 Ў'B k B B p S /2 (8-18) ԰ ⬉⌕䖲㓁῵ ⱘ%RRVW %XFN %RRVW⬉ ҹ ▔ ˈ ⱘ㒍⊶ ⒵䕑 ⱘ ⱘⱒ ↨ˈ ḋ 佅 䰤 њ ⺕䗮 DŽ 䖭⾡ ϟˈՓ⫼ 㗫䕗 ˈԚ佅 ⺕䗮 催ˈ䈵⺕㉝㢃 .RRO­ˈ 䞥 ⺕㢃ˈ ҹ ǃ䞡䞣 DŽϡ㛑㚃 ⺕㢃 㗫䰤 䖬 佅 䰤 ˈ⫼ϸϾ 䅵ㅫˈ 䞛⫼ 䴶⿃Ь⿃ⱘ䙷ϔϾDŽ ⺕㢃 䅵ㅫ㱑ϡ ㊒⹂ⱘˈԚ ҹ 䗁ҷⱘ⃵ DŽ䆒䅵 ⱘ⬉ ˈ ⬉䏃 ⫼⦃ Ёˈ ⫼⛁⬉ ԰ⱘḋӊЁ ⚍ˈ⌟䞣⛁⚍⏽ ˈẔ偠 ⧚ⱘ㣗 ҹ DŽ⬉ 䅵ㅫ䗮⫼䅵ㅫ⬉ ⱘ Ͼ ⊩˖1168.4.1⇨䱭⺕㢃⬉⇨䱭ⱘ⺕㢃ⱘ⺕䏃䗮 䛑 催⺕ ⥛˄­U ˙ ̚ ˅ⱘ⺕ ⱘ䴲⺕䯈䱭˄­U ˙ ˅І㘨㒘 DŽ⺕ ⱘ⺕䰏↨⇨䱭⺕䰏 ˈ䗮 䅵ㅫ ⬹ϡ䅵DŽḍ 3-50 ˖)(102202H A N N L uGP GG G (8-19a) Ϟ Ё䭓 ԡЎЎF m DŽA ¥ ℷ⇨䱭 䴶⿃(cm 2)DŽ䗮 䗮䖛䇗 ⇨䱭 ˈ䇗 ⬉ 䞣DŽ8.4.2 ⺕㉝㢃 ⺕㢃⬉⺕㢃 ⺕㉝㢃 䞥ˈ⺕ ⥛­U ϔ㠀 ̚ DŽ ㄝ Ў催⺕ ⥛ ⺕㢃ϢϔϾϡ 䭓 ⱘ⇨䱭І㘨ˈ䖭䞠 ⇨䱭ϡ㛑⌟䞣DŽḍ (3-51)220210 u eer l A N N L P P DD G (H) (8-19b)Ўcm DŽ Ё¢ ⺕㉝㢃⺕ ⥛­r 䱣ⴔⳈ⌕ 㕂 㗠ϟ䰡ⱘⱒ ↨ˈḍ Ⳉ⌕ 㕂⺕ ǃ ⺕ ⥛ҢⳌ 㒓Ϟ DŽ8.4.3 ⫼⬉ ㋏ A L 䅵ㅫ⬉Ѣ ˄­U ˅ 㾘Ḑ˄ 䴶A e ⺕䏃䭓 ˅ⱘ⺕㢃ˈ 乘⬭⇨䱭 ⇨䱭ⱘ䪕⇻ԧ⺕㢃 ⺕㉝㢃 Ё ҹmH/1000 nH/ 㒭 ⬉ ㋏ A L DŽҙ կњ⺕㢃㒭 䅵ㅫ⬉ ⱘϔ㠀 ⊩DŽ A L ­H/1000 ,N ⱘ⬉ 䞣ЎL=N 2A L h 10ˉ6 (­H) (8-20)ḍ (8-20) 䅵ㅫ 㾘Ḑⱘ⺕㢃㒭 ⱘ⬉ 䞣DŽ՟ 䅵ㅫ ⱘ 㑻⬉ 䞣ˈ ԰Ў䅵ㅫ▔⺕⬉⌕ 㗗DŽԚ䆹 ϡ ⬉ Շ⇨䱭䭓 Շ ⺕ ⥛DŽ ⬉ 䆒䅵䖛⿟Ёˈҡ䳔㽕ḍ ⬉䏃⬉⌕ ⬉⌕ 䞣ˈ ⫼ҹ ⱘ ∖ 䳔㽕ⱘ⬉ ǃ Շ⇨䱭䭓 ¥ ⺕ ⥛­H ˈҹ㦋 ⫼ 䅵ㅫⱘ⬉ DŽ8.5⬉ 䆒䅵8.5.1䆒䅵ℹ偸(1)ḍ ⬉䏃 ⬉䏃䆒䅵 ˖⬉ 䞣L ˈ⒵䕑Ⳉ⌕⬉ ⬉⌕I L ˈ 㒍⊶⬉⌕ I ˈ ⷁ䏃䰤 ⬉⌕I Sp , 䆌 㗫 ⏽ DŽBuck ㉏ 㒍⊶ ⦄ 催U i ϟˈ㗠Boost ㉏ ԢU i DŽBuck ㉏⒵䕑⬉ ⬉⌕ㄝѢ䋳䕑⬉⌕DŽ(2)ḍ ԰乥⥛ Փ⫼ 䗝 ⺕㢃 DŽ 䯙㄀ ゴDŽ(3) ⺕㢃 ԰ⱘ ⺕䗮 ⺕䗮 ˄ 佅 㗫䰤 ˅˖ ⬉ ԰ ⬉⌕䖲㓁῵ ˈ ⬉⌕ ⷁ䏃⬉⌕I Sp ˈ⺕㢃 ⺕ B max ϡ 䍙䖛B S (ϔ㠀 ⥛䪕⇻ԧ 100ć Ў0.3T ˄3000Gs ˅)DŽ Ў⺕㢃 ⇨䱭ˈ⇨䱭 ⺕㢃B ˉH 㒓 ⱘ ˄ 4-12˅ˈ 佅 П Ϟ 㒓 ⱘDŽḍ (8-18) ˖max max 2kB B ' (8-21)ⱘ B max 䰸ҹ2ˈ ˈ 㗫 㒓˄ 4-20)Ā⺕䗮 ā˄ 䰙 ⺕䗮 ˅ ˈ Ⳉ ϞѸ 㒍⊶乥⥛ 㒓ˈ∈ 㒉 ˈ∖ ⺕㢃ⱘ↨ 㗫DŽ ↨ 㗫 Ѣ100mW/cm 3ˈ⺕㢃㚃 佅 䰤 ˈ 䅵ㅫⱘ B max DŽԚ ⺕㢃 㗫䖰 Ѣ100mW/cm 3 ,⺕㢃 㗫䰤 ˈ 乏 B max ˈҹՓ 㗫 䆌㣗 П ˄ℹ偸5˅DŽ ⺕ 㗫䰤 ˈ I Sp ⱘ⺕䗮 ѢB max DŽ。