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l(f)ڣ[2011-3-8]    [5082]ΡЇ늚ЈُW[EM39.com]{pԄӝL}
      2009ýwF(xin)PښWҪ۵xҕĈWҕaI(y)оf(xi)ؓ؟Paul GrayJ@һfͬrҲᵽԓf(xi)µҎ(gu)

OƽҕЧʵ͘˜ʣҸ(j)ĻIJͬߴOܺĵ޶ֵ

ҪҕĴCܺĵ1W@ҪoaSҴs1ĕrg_

ԿMܚWĿǰδҪֹN۵xҕhnjԓaƷĹģCĺƽȻ_ơ@ʹ҂횻ν͹߹(sh)߰l(f)ЧMвиظо

ôЩMЃ(yu)͸ЧPDPCĹ҂MжԵķ

1 Դ֡ԴPDPҪMɲҪЧʸweС܉ṩ^˲B(ti)ݔҾбoܺͲͬݔ늉򆢄ӵĹ

y(tng)PDPԴһÃɼ(sh)У(PFC)DC/DC׃Q·ؓYքeиԵ_PͿ·M܉@úܺõwe^ɱ·^sMЃ(yu)ҲPDPԴgоһ֪܏ĂݔǶ߀ǏռweĽǶȣPFCģK͒늘ODC/DC׃QģKռஔıˣ@ɲֵĸͳɞPDP_PԴ(yu)һc

Ŀǰă(yu)ƒɷN

μ(sh)У·(SSPFC)D1ʾSSPFCweС·εcʹɞPDP_PԴСͻһxԭǣÆμ(sh)У׃Q·ؓYཻ늽ȫͨ^“(lin)ɂICSӵpܷDC/DC׃QԪڰ낀lڃֻһ֕rg늸LBBm(x)ݔ늉齻ҲrݔһиlyĽҲλͬĶݔ˵Ĺ(sh)

ù(sh)оƬ늽^ȫֱ늉։ݔоƬȳ˷һݔ`Ŵݔ늉ӵ˷һݔˡ^ӑB(ti)˷Ăݔ龀ԡ˷ݔ늉ȡӱ^T늉늉ڴT늉r늸ጷT늉cݔ늉c늽^ȫֱ늉ƳPϵ늸㣬˕r늸_ʼƽʬF(xin)c늉ͬλҲʹù(sh)ӽڡ1

2 ·֡PDPĿֻКw늹PDP·УҪl_P·PDPṩwҪĸN߉}_mȻPDP@ʾļݲijc늌·輰늘Oеēp

PDP·늉ֵؓʮװٷңl100233kHz·OӋx͌PDPCϵy(tng)Į|ЧʵȞҪ

PDP·ַ·lߣڌַ·ʹ֏ͼgַ֮͌·}_늉Ҳ@ַַ͌͌늉}_ɲŽ׷N

AwDַͬr@ʾַS}_Mһʩɽַ͌늉Ķ͟oùͬrھS֕rgռ(j)һӈĴ󲿷֕rgʾS}_lʿԽ

ַʼMSְl(f)AҶȵȼ_Ҫͨ^ַʹ@ЩԪϨÿІ΂صČַֻһΡ^͵IJ늉Чؽַ͌

׃}_·Ĺʽʹ_PԪM_P늉ӽr_ͨP(ZVSZCS)B(ti)ɽ_Pp

ڴߴPDP@ʾУICĺܶࡣ书Ĵ·֣֞߉݋ƽλĴ͸߉Ӳr£߉݋ֹ20mWƽλĴ200mWݲֵij늶aĸ߉·ğoЧҪڻ·еļؓdēp@NĴDzɱݳ늵ܣICͨ^·ķʽOһ

˝M߉ܵ͸߉ӲֵğoùPDPICOӋ͹ˇȡ±ͨļ·Ŀƴʩ

SOIˇYcҎ(gu)ģKpĿɴ󽵵

ý|xʹICȲݔǶλOܿɱ⴮_F(xin)

ڃȲԪYͲֵȽo̎ÃȲƿ߉_PrĴ͸

3 MOSܵx͡x񅢔(sh)mĹʈЧw(MOSFET)ʹ·܉Ч(wn)ع҉MҪҪMOSFET^ҪԱp_PpͨСԱpٌͨpPԱ߸x

©ԴͨRds(on)֏͕rgtrrݔCiss͖ŘO늺QgJ濼]͵Čͨڜpٌͨp؄ec·PMOSܣ͵ČͨյЧPDPĹtrrCissQgӰMOSFET_Pٶ͵ą(sh)ֵ܉ӿMOSFETDQ^ڜpMOSFET_Pp͵CissQg(sh)܉pMOSFETŘOӹŘO·OӋ

ŘO·ӰMOS_Ppĵ(yu)ĖŘO·cܵMOSFETYܵPDP·

4 ɹ۲ϡPDPßɹۺ͟ɹßɹ۷dzPDPҪʹõğɹY2O3Eutۡ(Gd,Y)BO3EutZn2SiO4MnBaAl12O19MnGԼBaMgAl14O23EuMgBaAl10O17Eu{(Gd,Y)BO3EuۺBaAl12O19Mn۵˥prgƫLZn2SiO4Mn˥prgHöԾ͸Lо_l(f)µİl(f)ϡɹ۲ֱӰPDPҕİl(f)ЧʺCͨxҕĉָָȽһrĕrgĿǰһLȵPDPßɹѽF(xin)Ʒ

5 늘OYͨ^늘Og϶PDPȺͰl(f)Чһ헷dzЧĴʩ늘Og϶Ĺ늉S֮Q@һ}ھSֺ͒늘O(X늘OY늘O)gһ늘OF늘OچԪg늉̖چ΂S늉}_gϕaһĸБ늄F늘OcɂȵXY늘OgС@ɂg϶̎ȮaČXY֮gLg϶ĶɽPDPľS늉

6 ߉݋Ʋ֡оҪֿ]͟oùĵĆ}߉݋ƲֲTؕr犵ķʽCB(ti)P]һЃȲĴĄԴ_oùĵĿġ

CϷԿPDPĿԏĶǶȿ]_ǶR£R^MԴӷʽɹ۲ҽY͸߉ˇȶ෽_̶ȵЧ

dֻfϢվ^cCϢHDdՈע̎




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