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l(f)ڣ[2011-3-8]    [5123]ΡЇ늚ЈُW(wng)[EM39.com]{(bio)pԄ(dng)L}
      2009(ni)ýwF(xin)P(gun)ښWҪ۵xҕĈ(bo)Wҕa(chn)I(y)оf(xi)(hu)ؓ(f)؟(z)Paul GrayJ(rn)@һfͬr(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_(d)

ԿMܚWĿǰδҪֹN۵xҕhnjԓa(chn)ƷĹC(j)ĺƽȻ_ơ@ʹ҂횻ν͹ġ߹(sh)߰l(f)ЧM(jn)виظо

ôЩM(jn)Ѓ(yu)͸ЧPDPC(j)Ĺأ҂M(jn)жԵķ

1 Դ֡ԴPDPҪMɲҪЧʸweС܉ṩ^˲B(ti)ݔʣҾбo(h)ܺͲͬݔ늉򆢄(dng)Ĺ

y(tng)PDPԴһÃɼ(j)(sh)У(PFC)(j)DC/DC׃Q·?f)Y(ji)(gu)քeиԵ_P(gun)Ϳ·M܉@úܺõܣwe^ɱ·^(f)sM(jn)Ѓ(yu)ҲPDPԴg(sh)оһ(g)֪܏ĂݔǶ߀ǏռweĽǶȣPFCģK͒(q)(dng)늘ODC/DC׃QģKռஔ(dng)ıˣ@ɲֵĸͳɞPDP_P(gun)Դ(yu)һ(g)c(din)

Ŀǰă(yu)ƒɷN

μ(j)(sh)У·(SSPFC)D1ʾSSPFCweС·εc(din)ʹɞPDP_P(gun)ԴСͻһ(g)xԭǣÆμ(j)(sh)У׃Q·?f)Y(ji)(gu)ཻ늽(jng)ȫͨ^“(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)^ȫֱ늉(jng)։ݔоƬ(ni)˷һ(g)ݔ`Ŵݔ늉ӵ˷һ(g)ݔ^(dng)B(ti)(ni)˷Ăݔ龀˷ݔ늉ȡӱ^T늉(dng)늉ڴT늉r(sh)늸ጷT늉cݔ늉c늽(jng)^ȫֱ늉ƳP(gun)ϵ(dng)늸㣬˕r(sh)늸_ʼ(ch)ƽʬF(xin)c늉ͬλҲʹù(sh)ӽڡ1

2 (q)(dng)·֡PDPĿֻКw늹?yn)PDP(q)(dng)·УҪʡl_P(gun)·PDPṩwҪĸN߉}_mȻPDP@ʾļݲijc늌(do)·輰늘Oеēp

PDP(q)(dng)·늉ֵؓ(f)ʮװٷңl100233kHz(q)(dng)·O(sh)Ӌ(j)x͌PDPC(j)ϵy(tng)Į|(zh)ЧʵȞҪ

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

AwDַͬr(sh)@ʾַS}_Mһʩӣɽַ͌늉Ķ͟oùġͬr(sh)ھS֕r(sh)gռ(j)һ(g)ӈĴ󲿷֕r(sh)gʾS}_lʿԽ

ַʼM(jn)Sְl(f)AҶȵȼ(j)_(d)Ҫͨ^ַʹ@ЩԪϨˣÿІ΂(g)صČַֻһң^͵IJ늉Чؽַ͌

׃}_·Ĺʽʹ_P(gun)ԪM_P(gun)늉ӽr(sh)_ͨP(gun)(ZVSZCS)B(ti)ɽ_P(gun)p

ڴߴPDP@ʾУ(q)(dng)ICĺܶࡣ书Ĵ·֣֞߉݋ƽλĴ͸߉(q)(dng)r߉݋ֹ20mWƽλĴ200mW£ݲֵij늶a(chn)ĸ߉(q)(dng)·ğoЧҪڻ·еļؓ(f)dēp@NĴDzɱݳ늵ܣ(q)(dng)ICͨ^(ni)·ķʽO(sh)һ

˝M߉ܵ󣬽͸߉(q)(dng)ֵğoùPDP(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)

ڃ(ni)ԪY(ji)(gu)ͲֵȽo̎Ã(ni)ƿ߉_P(gun)r(sh)Ĵ͸

3 MOSܵx͡x񅢔(sh)mĹʈЧ(yng)w(MOSFET)ʹ(q)(dng)·܉Ч(wn)ع҉MҪҪMOSFET^Ҫ죬Աp_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)ͨյЧPDPĹġtrrCissQgӰMOSFET_P(gun)ٶ͵ą(sh)ֵ܉ӿMOSFETD(zhun)Q^ڜpM(fi)OSFET_P(gun)p͵CissQg(sh)܉pM(fi)OSFETŘO(q)(dng)ŘO(q)(dng)·O(sh)Ӌ(j)

ŘO(q)(dng)·ӰMOS_P(gun)pĵ(yu)ĖŘO(q)(dng)·cܵMOSFETY(ji)ϣܵPDP(q)(dng)·

4 ɹ۲ϡPDPßɹۺ͟ɹßɹ۷dzƣPDPҪʹõğɹY2O3Eut(Gd,Y)BO3EutۡZn2SiO4MnBaAl12O19MnGԼBaMgAl14O23EuMgBaAl10O17Eu{(ln)(Gd,Y)BO3EuۺBaAl12O19Mn۵˥pr(sh)gƫLZn2SiO4Mn˥pr(sh)g(sh)H(yng)öԾ͸Lˣо_l(f)µİl(f)ɹ۲ֱӰPDPҕİl(f)ЧʺC(j)ͨxҕĉָ(bio)ָȽһr(sh)ĕr(sh)gĿǰһLȵPDPßɹѽ(jng)(sh)F(xin)Ʒ

5 늘OY(ji)(gu)ͨ^늘Og϶PDPȺͰl(f)Чһ(xing)dzЧĴʩ늘Og϶Ĺ늉(hu)S֮Q@һ}ھSֺ͒늘O(X늘OY늘O)gһ(g)(dng)늘OF(dng)늘OچԪg늉̖(ho)چ΂(g)S늉}_gϕ(hu)a(chn)һĸБ(yng)늄ݡF늘Ocɂ(c)XY늘OgС@ɂ(g)g϶̎Ȯa(chn)Č(do)XY֮gLg϶ĶɽPDPľS늉

6 ߉݋ƲоҪֿ]͟oùĵĆ}߉݋ƲֲTؕr(sh)犵ķʽC(j)B(ti)P(gun)]һЃ(ni)ĴĄ(dng)Դ_(d)oùĵĿ

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

dֻfϢվ^c(din)C(sh)ϢHD(zhun)dՈע̎




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