ቍᖂ⬉ᄤ᳝䰤݀ৌ
8. ᑨ⫼䆒䅵
EG8010 㢃⠛᭄ ݠV2.2
ऩⳌ SPWM 䗚ব఼ϧ⫼㢃⠛
䕧ߎ⬉य़ড作
EG8010 㢃⠛ⱘᎹᓣߚЎऩᵕᗻ䇗ࠊᮍᓣঠᵕᗻ䇗ࠊᮍᓣˈऩᵕᗻ䇗ࠊᯊҙϔḹ㞖˄EG8010 ᓩ㛮
SPWMOUT3ˈSPWMOUT4 خ˅SPWM 䇗ࠊ䕧ߎˈϔḹ㞖˄EG8010 ᓩ㛮 SPWMOUT1ˈSPWMOUT2خ˅
⊶䕧ߎˈᑨ⫼ᯊⒸ⊶⬉ᛳ䳔㽕 SPWM 䇗ࠊḹ㞖䕧ߎッˈ⬉य़পḋড作⬉䏃ৠḋ䳔㽕 SPWM 䇗ࠊḹ
㞖⬉ᛳⱘ䕧ߎッˈབ 8.1aDŽঠᵕᗻ䇗ࠊᯊঠḹ㞖˄EG8010 ᓩ㛮 SPWM3ˈSPWM4ˈSPWM1ˈSPWM2˅ৠ
ᯊ خSPWM 䇗ࠊ䕧ߎˈᑨ⫼ᯊՓ⫼ϸ䏃⬉ᛳⒸ⊶⡍ᗻᇚӮདˈ⬉य़পḋড作⬉䏃䳔㽕ϸ䏃ߚय़㔥㒰خᏂ
ߚড作໘⧚ˈབ 8.1cDŽ
ऩᵕᗻ䇗ࠊᓣᯊˈEG8010 㢃⠛ⱘ⬉य़ড作໘⧚ᰃ䗮䖛ᓩ㛮(13)VFB ⌟䞣䗚ব఼䕧ߎⱘѸ⌕⬉य़ˈᓩ㛮
˄16˅FRQADJ/VFB2 ҙЎ䇗乥ᓣϟⱘ FRQADJ ࡳ㛑ℸᯊ VFB2 ড作᮴ᬜˈ⬉䏃㒧ᵘབ D ⬉य़䞛ḋড作䚼
ߚˈ⌟䞣ড作ⱘዄؐ⬉य़ݙ䚼ޚℷᓺ⊶ዄؐ⬉य़ 3V 䖯㸠䇃Ꮒ䅵ㅫˈᇍ䕧ߎ⬉य़ؐߎⳌᑨ䇗ᭈˈᔧ䕧
ߎ⬉य़छ催ᯊˈ䆹ᓩ㛮⬉य़г䱣Пछ催ˈ㒣ݙ䚼⬉䏃䇃Ꮒؐ䅵ㅫৢ䇗ᭈᐙᑺᄤЬ⊩఼㋏᭄ˈ ᅲ⦄䰡Ԣ䕧
ߎ⬉य़䖒ࠄ〇य़䖛ˈডПˈᔧ䆹ᓩ㛮ⱘ⬉य़ޣԢᯊˈ㢃⠛Ӯߎछ催䕧ߎ⬉य़DŽ
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⌕⬉य़䕧ߎ
63:0287
63:0287
63:0287
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63:0থ⫳఼ ዄؐড作໘⧚
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Ѹ⌕䕧ߎ
⬉य़পḋ
ড作⬉䏃
8.1a EG8010 ऩᵕᗻ䇗ࠊ䕧ߎ⬉य़ড作⬉䏃
CH1˖220V/50Hz ℷᓺ⊶䕧ߎ⊶ᔶ CH1˖ VFB ড作ֵো䕧ܹ⊶ᔶ
8.1b ᅲ⌟ⱘ SPWM ऩᵕᗻ䇗ࠊ㒃ℷᓺ⊶䕧ߎ⊶ᔶ VFB ড作⊶ᔶ
8.1b Ўऩᵕᗻ䇗ࠊᮍᓣⱘᅲ䰙⌟䆩⊶ᔶˈEG8010 䞛⫼њዄؐ⚍䞛ḋ䕧ߎ⬉य़ˈ᳝〇य़㊒ᑺ催ǃ⬉
य़䇗ᭈ䗳ᑺᖿˈᔧᶤ⾡ॳᇐ㟈䕧ߎ⬉य़থ⫳⾏أབ䋳䕑ব࣪䕧ܹ⬉य़⊶ࡼㄝ᭄ˈEG8010 㛑 1-3 Ͼ
Ѹ⌕⬉਼ᳳݙ䇗ᭈࠄᳳᳯⱘ䕧ߎ⬉य़DŽ
ঠᵕᗻ䇗ࠊᓣᯊˈEG8010 㢃⠛ⱘ⬉य़ড作໘⧚ᰃ䗮䖛ᓩ㛮(13)VFB ⌟䞣Ꮊḹ㞖ⱘ䕧ߎ⬉य़ᓩ㛮˄16˅
FRQADJ/VFB2 ҙЎ VFB2 ࡳ㛑ᴹ⌟䞣েḹ㞖ⱘ䕧ߎ⬉य़ℸᯊ FRQADJ 䇗乥ࡳ㛑᮴ᬜˈ⬉䏃㒧ᵘབ F ⬉य़ড
作䚼ߚˈ䗮䖛ϸ䏃Ꮒߚড作ᴹ⌟䞣ዄؐᏂߚ⬉य़ݙ䚼ޚℷᓺ⊶ዄؐ⬉य़ 3V 䖯㸠䇃Ꮒ䅵ㅫˈᇍ䕧ߎ⬉य़
ؐߎⳌᑨ䇗ᭈˈ㒣ݙ䚼⬉䏃䇃Ꮒؐ䅵ㅫৢ䇗ᭈᐙᑺᄤЬ⊩఼㋏᭄ˈ ᅲ⦄〇य़䖛ˈঠᵕᗻ䇗ࠊৠḋ㛑
1-3 ϾѸ⌕⬉਼ᳳݙ䇗ᭈࠄᳳᳯⱘ䕧ߎ⬉य़DŽ
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