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l(f)ڣ[2011-3-8]    [5197]ΡЇ(gu)늚Ј(chng)ُ(gu)W(wng)[EM39.com]{(bio)pԄ(dng)L}
      2009(gu)(ni)ýwF(xin)P(gun)ښWҪ۵xҕĈ(bo)Wҕa(chn)I(y)оf(xi)(hu)ؓ(f)؟(z)Paul GrayJ(rn)@һf(shu)ͬr(sh)Ҳᵽԓf(xi)(hu)µҎ(gu)

O(sh)ƽҕЧʵ͘(bio)(zhn)Ҹ(j)ĻIJͬߴO(sh)ܺĵ޶ֵ

(hu)(qing)ҪҕĴC(j)ܺĵ1W@(g)Ҫ(hu)oa(chn)SҴs1ĕr(sh)g(li)_(d)

ԿMܚWĿǰδҪֹN(xio)۵xҕhnj(du)ԓ(li)a(chn)ƷĹC(j)ĺƽȻ_@ʹ҂횻ν͹ġ߹(sh)߰l(f)ЧM(jn)виظо

ôЩM(jn)Ѓ(yu)͸ЧPDPC(j)Ĺ҂(du)M(jn)жԵķ

1 Դ֡ԴPDPҪMɲ֣ҪЧʸweС܉ṩ^˲B(ti)ݔҾбo(h)ܺͲͬݔ늉򆢄(dng)Ĺܡ

y(tng)PDPԴһÃɼ(j)(sh)У(PFC)(j)DC/DC׃Q·?f)Y(ji)(gu)քeиԵ_(ki)P(gun)Ϳ·M܉@úܺõwe^(gu)ɱ·^(f)sˣ(du)M(jn)Ѓ(yu)ҲPDPԴg(sh)оһ(g)֪܏ĂݔǶ߀ǏռweĽǶPFCģK͒(q)(dng)늘ODC/DC׃QģKռஔ(dng)ı(du)@ɲֵĸͳɞPDP_(ki)P(gun)Դ(yu)һ(g)c(din)

Ŀǰă(yu)ƒɷN

μ(j)(sh)У·(SSPFC)D1ʾSSPFCweС·(jin)εc(din)ʹɞPDP_(ki)P(gun)ԴСͻһ(g)xԭǣÆμ(j)(sh)У׃Q·?f)Y(ji)(gu)ཻ늽(jng)ȫͨ^(gu)“(lin)ɂ(g)ICSӵpܷDC/DC׃QԪڰ낀(g)lڃ(ni)ֻһ֕r(sh)g늸LBBm(x)(dng)ݔ늉齻Ҳr(sh)ݔһиlyĽҲλͬĶݔ˵Ĺ(sh)

ù(sh)оƬ늽(jng)^(gu)ȫֱ늉(jng)։ݔоƬ(ni)˷һ(g)ݔ`Ŵݔ늉ӵ˷һ(g)ݔ^(dng)B(ti)(ni)˷Ăݔ(xin)龀(xin)˷ݔ늉ȡӱ^T(mn)늉(dng)늉ڴT(mn)늉r(sh)늸ጷT(mn)늉cݔ늉c늽(jng)^(gu)ȫֱ늉ƳP(gun)ϵ(dng)늸˕r(sh)늸_(ki)ʼ(ch)ƽʬF(xin)c늉ͬλҲʹù(sh)ӽڡ1

2 (q)(dng)·֡PDPĿֻКw늹ģ?yn)PDP(q)(dng)·Ҫʡl_(ki)P(gun)·(li)PDPṩwҪĸN߉}_mȻPDP@ʾļݲijc늌(do)·輰늘O(xin)еēp

PDP(q)(dng)·늉ֵؓ(f)ʮװٷl100233kHz(q)(dng)·O(sh)Ӌ(j)x͌(du)PDPC(j)ϵy(tng)Į(hu)|(zh)ЧʵȞҪ

PDP(q)(dng)·Уַ(q)(dng)·lڌַ(q)(dng)·ʹ֏(f)g(sh)ַ֮͌(q)(dng)·}_늉Ҳ@ַ͌ġַ͌늉}_ɲŽ׷N

AwDַͬr(sh)@ʾַS}_Mһʩɽַ͌늉Ķ͟o(w)ùġͬr(sh)ھS֕r(sh)gռ(j)һ(g)ӈ(chng)Ĵ󲿷֕r(sh)gʾS}_lʿԽ͡

ַʼM(jn)Sְl(f)AҶȵȼ(j)_(d)Ҫͨ^(gu)ַʹ@ЩԪϨÿ(chng)І΂(g)صČַֻһ^͵IJ늉Чؽַ͌

׃}_·Ĺʽʹ_(ki)P(gun)ԪM_(ki)P(gun)늉ӽr(sh)_(ki)ͨP(gun)(ZVSZCS)B(ti)ɽ_(ki)P(gun)pġ

ڴߴPDP@ʾ(q)(dng)ICĺܶ书Ĵ·֣֞߉݋ƽλĴ͸߉(q)(dng)֡r߉݋ֹ20mWƽλĴ200mWݲֵij늶a(chn)ĸ߉(q)(dng)·ğo(w)ЧҪ(li)ڻ·еļؓ(f)dēpġ@NĴDzɱ(du)ݳ늵(q)(dng)ICͨ^(gu)(ni)·ķʽO(sh)һ

˝M(mn)߉ܵ󣬽͸߉(q)(dng)ֵğo(w)ùPDP(q)(dng)ICO(sh)Ӌ(j)͹ˇȡ±ͨļ·(yn)Ŀƴʩ

SOIˇY(ji)(gu)cҎ(gu)ģKpĿɴ󽵵

ý|(zh)xʹ(q)(dng)IC(ni)ݔǶλOܿɱ⴮?dng)_F(xin)

(du)ڃ(ni)ԪY(ji)(gu)ͲֵȽo̎Ã(ni)ƿ߉_(ki)P(gun)r(sh)Ĵ͸

3 MOSܵx͡x񅢔(sh)mĹʈ(chng)Ч(yng)w(MOSFET)ʹ(q)(dng)·܉Чʡ(wn)ع҉M(mn)ҪҪMOSFET^(gu)Ҫ죬Աp_(ki)P(gun)p(do)ͨСԱpٌ(do)ͨpP(gun)Ա߸x

У©Դ(do)ͨRds(on)֏(f)r(sh)gtrrݔCiss͖ŘO늺QgJ(rn)濼]͵Č(do)ͨڜpٌ(do)ͨp؄ec·P(gun)MOS͵Č(do)ͨյЧPDPĹtrrCissQgӰMOSFET_(ki)P(gun)ٶ͵ą(sh)ֵ܉ӿMOSFETD(zhun)Q^(gu)ڜpM(fi)OSFET_(ki)P(gun)p͵CissQg(sh)܉pM(fi)OSFETŘO(q)(dng)ʣ(jin)ŘO(q)(dng)·O(sh)Ӌ(j)

ŘO(q)(dng)·ӰMOS_(ki)P(gun)pĵ(yu)ĖŘO(q)(dng)·cܵMOSFETY(ji)ܵPDP(q)(dng)·

4 ɹ۲ϡPDPßɹۺ͟ɹßɹ۷dzPDPҪʹõğɹY2O3Eut(Gd,Y)BO3EutZn2SiO4MnBaAl12O19MnGԼBaMgAl14O23EuMgBaAl10O17Eu{(ln)ۡ(Gd,Y)BO3EuۺBaAl12O19Mn۵˥pr(sh)gƫL(zhng)Zn2SiO4Mn˥pr(sh)g(du)(sh)H(yng)öԾ͸L(zhng)ˣо_(ki)l(f)µİl(f)ɹ۲ֱӰPDPҕİl(f)ЧʺC(j)ͨxҕĉָ(bio)ָȽһr(sh)ĕr(sh)gĿǰһL(zhng)ȵPDP(zhun)ßɹѽ(jng)(sh)F(xin)Ʒ

5 늘OY(ji)(gu)ͨ^(gu)늘Og϶(li)PDPȺͰl(f)Чһ(xing)dzЧĴʩ늘Og϶Ĺ늉(hu)S֮Q@һ(wn)}ھSֺ͒늘O(X늘OY늘O)gһ(g)(dng)늘OF(dng)늘OچԪg늉̖(ho)چ΂(g)S늉}_gϕ(hu)a(chn)һĸБ(yng)늄(sh)F늘Ocɂ(c)XY늘OgС@ɂ(g)g϶̎Ȯa(chn)Č(do)£XY֮gL(zhng)g϶늣ĶɽPDPľS늉

6 ߉݋Ʋ֡оȣҪֿ]͟o(w)ùĵĆ(wn)}߉݋ƲֲT(mn)ؕr(sh)犵ķʽC(j)B(ti)P(gun)]һЃ(ni)ĴĄ(dng)Դ_(d)o(w)ùĵĿ

CϷԿPDPĿԏĶ(g)Ƕȿ]_ǶRR^M(jn)Դ(q)(dng)ʽɹ۲ҽY(ji)(gu)͸߉ˇȶ෽_(d)̶ȵЧ

dֻfϢվ^c(din)C(sh)ϢHD(zhun)dՈ(qng)ע̎




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