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<head> <style type="text/css"> .auto-style1 { text-align: center; } </style> </head> <div class=WordSection1> <h1>&#32511;能原生自适&#24212;&#30005;&#21387;定位架构 (G-NAVP&#8482;) 的 CPU &#30005;源解&#20915;方案</h1> <br><br> <h2 id="__Bookmark__0">摘要</h2> <p class=Richtek>&#38543;&#30528;中央&#22788;理&#21333;元(CPU)的&#21457;展,其&#23545;&#30005;源供&#24212;的要求也越&#26469;越&#20005;格。&#20026;了&#28385;足每一代 CPU &#23545;&#30005;源的需求,立&#38172;&#38271;期投入于 CPU &#30005;源供&#24212;的&#24212;用&#24320;&#21457;,提出了&#35768;多全新的&#30005;源解&#20915;方案。本文介&#32461;一种&#23646;于立&#38172;&#19987;利的 CPU &#30005;源解&#20915;方案,即&#32511;能原生自适&#24212;&#30005;&#21387;定位 (G-NAVP&#8482;) 控制架构,&#35813;架构具有&#21709;&#24212;速度快、&#36716;&#25442;效率高的特色,几乎可&#28385;足所有 CPU &#30005;源&#35268;格的要求,目前已被&#19994;界&#24191;泛采用。</p> <br><br> <h2 id="__Bookmark__1">1. CPU &#30005;源&#35268;格之&#31616;介</h2> <p class=MsoNormal>1.1.微&#22788;理器 (中央&#22788;理&#21333;元: CPU)</p> <p class=Richtek11>微&#22788;理器(中央&#22788;理&#21333;元:CPU)被&#24191;泛地使用于&#35768;多&#24212;用中,如&#35745;算机、嵌入式系&#32479;和手持&#35013;置等。&#20026;了不&#26029;提升微&#22788;理器的性能,往往要&#23558;更多的晶体管整合在微&#22788;理器里,而&#38543;&#30528;半&#23548;体制造技&#26415;的提高,芯片尺寸反而不&#26029;降低。自&#20174;英特&#23572; (Intel) 微&#22788;理器 4004 在1971年首次&#21457;布以&#26469;,集成的晶体管&#25968;量大致是按照摩&#23572;定律 (Moore’s Law) [1] 不&#26029;增&#38271;。&#24403;英特&#23572;的&#21452;核 Itanium 2 &#22788;理器于2006年&#21457;布&#26102;,它的&#20869;部已&#32463;集成了超&#36807;十&#20159;&#20010;晶体管,&#36825;&#20010;&#25968;量大&#32422;是4004的一百万倍 [2]。2011年,英特&#23572;推出了革命性的、被&#31216;&#20026;三&#26629;极 (Tri-Gate) 的3-D晶体管&#35774;&#35745;以提高性能、&#33410;省&#30005;力 [3],&#36825;又是CPU&#21457;展&#36807;程中的一&#20010;里程碑。</p> <p class=Richtek11>CPU性能的充分&#21457;&#25381;是高度倚&#36182;于作&#20026;平衡&#36755;入和功率消耗的&#30005;&#21387;&#35843;&#33410;器 (VR) 的。&#20026;此,立&#38172;已&#32463;提出了&#25968;种 VR 控制器以&#28385;足每一代CPU的需求。</p> <br> <p class=MsoNormal>1.2. &#30005;&#21387;&#35843;&#33410;器 (VR)</p> <p class=MsoNormal>&#38543;&#30528;微&#22788;理器&#21464;得越&#26469;越&#24378;大,其功耗也&#26174;著地增加。&#20026;了&#28385;足微&#22788;理器&#23545;高&#30005;流和低&#30005;&#21387;的&#30005;源需求,&#19994;界引入了多相位的&#30005;&#21387;&#35843;&#33410;器 (VR)。&#22270;一是立&#38172;&#38024;&#23545;不同CPU的模&#25311;板,&#22270;一 (a) &#26174;示的是 AMD SVI2 &#22788;理器的CPU&#30005;源解&#20915;方案,而&#22270;一 (b) &#26174;示的是英特&#23572; VR12.5&#22788;理器的CPU&#30005;源解&#20915;方案。</p> <br> <div class="tb-system"> <table class=MsoTableGrid border=1 cellspacing=0 cellpadding=0 style='margin-left:26.7pt;border-collapse:collapse;border:none'> <tr> <td width=312 valign=top style='width:233.85pt;border:none;padding:0cm 5.4pt 0cm 5.4pt'> <p class=InsertPicture><a class="fancybox" href="/content/dam/richtek-eds/resources/application-notes/an020/html-images-zh-cn/image001_zh-cn.jpg" ><img width=293 height=261 src="/content/dam/richtek-eds/resources/application-notes/an020/html-images-zh-cn/image001_zh-cn.jpg" alt="Technical Document Image Preview"></a></p> </td> <td width=303 valign=top style='width:227.55pt;border:none;padding:0cm 5.4pt 0cm 5.4pt'> <p class=InsertPicture><a class="fancybox" href="/content/dam/richtek-eds/resources/application-notes/an020/html-images-zh-cn/image002_zh-cn.jpg" ><img width=256 height=266 id="圖片 5" src="/content/dam/richtek-eds/resources/application-notes/an020/html-images-zh-cn/image002_zh-cn.jpg" alt="Technical Document Image Preview"></a></p> </td> </tr> <tr> <td width=312 valign=top style='width:233.85pt;border:none;padding:0cm 5.4pt 0cm 5.4pt'> <p class=auto-style1>(a)</p> </td> <td width=303 valign=top style='width:227.55pt;border:none;padding:0cm 5.4pt 0cm 5.4pt'> <p class=auto-style1>(b)</p> </td> </tr> </table> </div> <p class=MsoNormal>&#22270;一、立&#38172;的CPU模&#25311;板。 (a) AMD SVI2 &#22788;理器, (b) 英特&#23572; VR12.5&#22788;理器。</p> <br> <p class=Richtek11>一般&#26469;&#35828;,VR是采用&#30005;&#21387;模式控制的交插式多相位同步降&#21387;&#36716;&#25442;器。不&#36807;,&#29616;今VR面&#20020;&#30528;更&#20005;苛的挑&#25112;,不&#20165;需要高&#30005;流,&#36824;有&#20005;格的瞬&#24577;&#21709;&#24212;要求。&#20026;了使系&#32479;能有更快速的&#21709;&#24212;,并且也&#20026;了&#20943;少尺寸和成本,立&#38172;提出了 G-NAVP&#8482; 架构的多相位 VR。表一至表四所示&#20026;立&#38172;的 VR 控制器与不同 CPU功率&#35268;格之&#38388;的&#23545;&#24212;表。</p> <br> <p class=MsoNormal>表一、立&#38172;的 VR 控制器,用于 AMD K8/K8_M2 / 英特&#23572; VR10.x &amp; VR11.x 的CPU&#30005;源解&#20915;方案</p> <div> <table class=MsoNormalTable border=1 cellspacing=0 cellpadding=0 width=415 style='width:311.6pt;border-collapse:collapse;border:none'> <tr style='height:17.0pt'> <td width=123 style='width:92.1pt;border:solid #009EB8 1.0pt;padding:.75pt .75pt .75pt .75pt; height:17.0pt'> <p class=MsoNormal>控制器型&#21495;</p> </td> <td width=143 style='width:107.4pt;border:solid #009EB8 1.0pt;border-left: none;padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>RT8857A</p> </td> <td width=149 style='width:112.1pt;border:solid #009EB8 1.0pt;border-left: none;padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>RT8862</p> </td> </tr> <tr style='height:17.0pt'> <td width=123 style='width:92.1pt;border:solid #009EB8 1.0pt;border-top:none; padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>相位&#25968;</p> </td> <td width=143 style='width:107.4pt;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>4/3/2/1 相位</p> </td> <td width=149 style='width:112.1pt;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>4/3/2/1 相位</p> </td> </tr> <tr style='height:17.0pt'> <td width=123 style='width:92.1pt;border:solid #009EB8 1.0pt;border-top:none; padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>&#20869;建&#39537;&#21160;器&#25968;量</p> </td> <td width=143 style='width:107.4pt;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>2</p> </td> <td width=149 style='width:112.1pt;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>2</p> </td> </tr> <tr style='height:17.0pt'> <td width=123 style='width:92.1pt;border:solid #009EB8 1.0pt;border-top:none; padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>控制架构</p> </td> <td width=143 style='width:107.4pt;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>&#30005;&#21387;模式</p> </td> <td width=149 style='width:112.1pt;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>&#30005;&#21387;模式</p> </td> </tr> <tr style='height:17.0pt'> <td width=123 style='width:92.1pt;border:solid #009EB8 1.0pt;border-top:none; padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>封&#35013;</p> </td> <td width=143 style='width:107.4pt;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>WQFN-48L 7x7</p> </td> <td width=149 style='width:112.1pt;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>WQFN-48L 7x7</p> </td> </tr> </table> </div> <br> <p class=MsoNormal>表二、立&#38172;的 VR 控制器,用于英特&#23572; VR12 的CPU&#30005;源解&#20915;方案</p> <div> <table class=MsoNormalTable border=1 cellspacing=0 cellpadding=0 width=406 style='width:304.8pt;border-collapse:collapse;border:none'> <tr style='height:17.0pt'> <td width=123 style='width:92.4pt;border:solid #009EB8 1.0pt;padding:.75pt .75pt .75pt .75pt; height:17.0pt'> <p class=MsoNormal>控制器型&#21495;</p> </td> <td width=134 style='width:100.8pt;border:solid #009EB8 1.0pt;border-left: none;padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>RT8859A/M</p> </td> <td width=149 style='width:111.6pt;border:solid #009EB8 1.0pt;border-left: none;padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>RT8876A</p> </td> </tr> <tr style='height:17.0pt'> <td width=123 style='width:92.4pt;border:solid #009EB8 1.0pt;border-top:none; padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>相位&#25968;</p> </td> <td width=134 style='width:100.8pt;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>4/3/2/1 + 1相位</p> </td> <td width=149 style='width:111.6pt;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>3/2/1 + 1相位</p> </td> </tr> <tr style='height:17.0pt'> <td width=123 style='width:92.4pt;border:solid #009EB8 1.0pt;border-top:none; padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>&#20869;建&#39537;&#21160;器&#25968;量</p> </td> <td width=134 style='width:100.8pt;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>0 + 0</p> </td> <td width=149 style='width:111.6pt;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>3 + 0</p> </td> </tr> <tr style='height:17.0pt'> <td width=123 style='width:92.4pt;border:solid #009EB8 1.0pt;border-top:none; padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>控制架构</p> </td> <td width=134 style='width:100.8pt;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>G-NAVP&#8482;</p> </td> <td width=149 style='width:111.6pt;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>G-NAVP&#8482;</p> </td> </tr> <tr style='height:17.0pt'> <td width=123 style='width:92.4pt;border:solid #009EB8 1.0pt;border-top:none; padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>封&#35013;</p> </td> <td width=134 style='width:100.8pt;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>WQFN-56L 7x7</p> </td> <td width=149 style='width:111.6pt;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>WQFN-56L 7x7</p> </td> </tr> </table> </div> <br> <p class=MsoNormal>表三、立&#38172;的 VR 控制器用于英特&#23572; VR12.5 的CPU&#30005;源解&#20915;方案</p> <div> <table class=MsoNormalTable border=1 cellspacing=0 cellpadding=0 width=529 style='width:396.65pt;border-collapse:collapse;border:none'> <tr style='height:17.0pt'> <td width=123 style='width:92.15pt;border:solid #009EB8 1.0pt;padding:.75pt .75pt .75pt .75pt; height:17.0pt'> <p class=MsoNormal>控制器型&#21495;</p> </td> <td width=132 style='width:99.2pt;border:solid #009EB8 1.0pt;border-left: none;padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>RT8883A</p> </td> <td width=133 style='width:99.8pt;border:solid #009EB8 1.0pt;border-left: none;padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>RT8889A</p> </td> <td width=141 style='width:105.5pt;border:solid #009EB8 1.0pt;border-left: none;padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>RT8884A</p> </td> </tr> <tr style='height:17.0pt'> <td width=123 style='width:92.15pt;border:solid #009EB8 1.0pt;border-top: none;padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>相位&#25968;</p> </td> <td width=132 style='width:99.2pt;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>2/1相位</p> </td> <td width=133 style='width:99.8pt;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>3/2/1相位</p> </td> <td width=141 style='width:105.5pt;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>4/3/2/1相位</p> </td> </tr> <tr style='height:17.0pt'> <td width=123 style='width:92.15pt;border:solid #009EB8 1.0pt;border-top: none;padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>&#20869;建&#39537;&#21160;器&#25968;量</p> </td> <td width=132 style='width:99.2pt;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>2</p> </td> <td width=133 style='width:99.8pt;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>3</p> </td> <td width=141 style='width:105.5pt;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>0</p> </td> </tr> <tr style='height:17.0pt'> <td width=123 style='width:92.15pt;border:solid #009EB8 1.0pt;border-top: none;padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>控制架构</p> </td> <td width=132 style='width:99.2pt;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>G-NAVP&#8482;</p> </td> <td width=133 style='width:99.8pt;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>G-NAVP&#8482;</p> </td> <td width=141 style='width:105.5pt;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>G-NAVP&#8482;</p> </td> </tr> <tr style='height:17.0pt'> <td width=123 style='width:92.15pt;border:solid #009EB8 1.0pt;border-top: none;padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>封&#35013;</p> </td> <td width=132 style='width:99.2pt;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>WQFN-32L 4x4</p> </td> <td width=133 style='width:99.8pt;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>WQFN-40L 5x5</p> </td> <td width=141 style='width:105.5pt;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>WQFN-32L 4x4</p> </td> </tr> </table> </div> <br> <p class=MsoNormal>表四、立&#38172;的 VR 控制器用于AMD SVI2 的CPU&#30005;源解&#20915;方案</p> <div> <table class=MsoNormalTable border=1 cellspacing=0 cellpadding=0 width=680 style='width:510.2pt;border-collapse:collapse;border:none'> <tr style='height:17.0pt'> <td width=115 style='width:86.45pt;border:solid #009EB8 1.0pt;padding:.75pt .75pt .75pt .75pt; height:17.0pt'> <p class=MsoNormal>控制器型&#21495;</p> </td> <td width=140 style='width:104.7pt;border:solid #009EB8 1.0pt;border-left: none;padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>RT8877C/D</p> </td> <td width=142 style='width:106.3pt;border:solid #009EB8 1.0pt;border-left: none;padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>RT8878A/B</p> </td> <td width=142 style='width:106.8pt;border:solid #009EB8 1.0pt;border-left: none;padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>RT8881A</p> </td> <td width=141 style='width:105.95pt;border:solid #009EB8 1.0pt;border-left: none;padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>RT8894A</p> </td> </tr> <tr style='height:17.0pt'> <td width=115 style='width:86.45pt;border:solid #009EB8 1.0pt;border-top: none;padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>相位&#25968;</p> </td> <td width=140 style='width:104.7pt;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>4/3/2/1 + 2/1/0相位</p> </td> <td width=142 style='width:106.3pt;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>4/3/2/1 + 2/1/0相位</p> </td> <td width=142 style='width:106.8pt;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>4/3/2/1 + 2/1/0相位</p> </td> <td width=141 style='width:105.95pt;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>4/3/2/1 + 2/1/0相位</p> </td> </tr> <tr style='height:17.0pt'> <td width=115 style='width:86.45pt;border:solid #009EB8 1.0pt;border-top: none;padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>&#20869;建&#39537;&#21160;器&#25968;量</p> </td> <td width=140 style='width:104.7pt;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>0 + 0</p> </td> <td width=142 style='width:106.3pt;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>2 + 0</p> </td> <td width=142 style='width:106.8pt;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>2 + 0</p> </td> <td width=141 style='width:105.95pt;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>3 + 0</p> </td> </tr> <tr style='height:17.0pt'> <td width=115 style='width:86.45pt;border:solid #009EB8 1.0pt;border-top: none;padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>I<sup>2</sup>C 界面</p> </td> <td width=140 style='width:104.7pt;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>N/A</p> </td> <td width=142 style='width:106.3pt;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>N/A</p> </td> <td width=142 style='width:106.8pt;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>支援</p> </td> <td width=141 style='width:105.95pt;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>支援</p> </td> </tr> <tr style='height:17.0pt'> <td width=115 style='width:86.45pt;border:solid #009EB8 1.0pt;border-top: none;padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>控制架构</p> </td> <td width=140 style='width:104.7pt;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>G-NAVP&#8482;</p> </td> <td width=142 style='width:106.3pt;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>G-NAVP&#8482;</p> </td> <td width=142 style='width:106.8pt;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>G-NAVP&#8482;</p> </td> <td width=141 style='width:105.95pt;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>G-NAVP&#8482;</p> </td> </tr> <tr style='height:17.0pt'> <td width=115 style='width:86.45pt;border:solid #009EB8 1.0pt;border-top: none;padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>封&#35013;</p> </td> <td width=140 style='width:104.7pt;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>WQFN-52L 6x6</p> </td> <td width=142 style='width:106.3pt;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>WQFN-52L 6x6</p> </td> <td width=142 style='width:106.8pt;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>WQFN-52L 6x6</p> </td> <td width=141 style='width:105.95pt;border-top:none;border-left:none; border-bottom:solid #009EB8 1.0pt;border-right:solid #009EB8 1.0pt; padding:.75pt .75pt .75pt .75pt;height:17.0pt'> <p class=MsoNormal>WQFN-56L 7x7</p> </td> </tr> </table> </div> <br><br> <h2 id="__Bookmark__2">2. G-NAVP&#8482; 架构之&#31616;介</h2> <p class=Richtek11>G-NAVP&#8482; 架构是一种具有&#30005;流斜坡和AVP功能的&#32441;波型恒定&#23548;通&#26102;&#38388;的控制架构。恒定&#23548;通&#26102;&#38388;控制的特&#28857;是在保持重&#36733;的高效率&#26102;也提高&#36731;&#36733;的效率以&#28385;足越&#26469;越&#20005;格的&#36731;&#36733;效率&#35268;格。增&#24378;的&#36731;&#36733;效率能提高便&#25658;&#20135;品的&#30005;池使用&#26102;&#38388;,&#36825;&#23545;使用者&#26469;&#35828;是非常重要的特&#28857;。AVP功能&#21017;是&#20026;了&#33410;省能源和降低 BOM 成本,而&#36825;也是由CPU芯片制造商如英特&#23572;和AMD所&#35268;定的功能。<br> <br> </p> <p class=MsoNormal>G-NAVP&#8482; 是「&#32511;能原生适&#24212;性&#30005;&#21387;定位」的&#32553;&#20889;,&#36825;种架构具有&#35768;多值得注意的特&#28857;:</p> <ul> <li>&#23545;所有VR之AVP的要求,很容易&#35774;定其&#36127;&#36733;&#32447;(下垂)</li> <li>快速的瞬&#24577;&#21709;&#24212;,&#20174;而降低了&#36755;出&#30005;容值和成本</li> <li>&#36731;&#36733;&#26102;的高效率</li> <li>&#23545;所有VR之DC的要求,都有高&#36755;出&#30005;&#21387;准确度</li> <li>&#23545;所有VR之&#32441;波的要求,都能使用固定&#30005;流&#32441;波</li> </ul> <br> <p class=Richtek11>&#22270;二&#20026; G-NAVP&#8482; 架构的&#30005;路示意&#22270;。G-NAVP&#8482; 架构是具有外部斜坡 (ramp) 和DC偏移消除的一种恒定&#23548;通&#26102;&#38388;之&#30005;流模式控制。具有有限DC增益的&#35823;差放大器 (EA) 可用&#26469;&#35843;整AVP&#36127;&#36733;&#32447;,并&#23545;极&#28857;和零&#28857;&#36827;行&#34917;&#20607;。&#30005;流信&#21495;是透&#36807; DCR &#30005;流&#26816;&#27979;网&#32476;,并用外部斜坡 (ramp) 和 comp信&#21495;&#26469;&#35843;&#21464;,其中加上外部斜坡 (ramp) 是&#20026;了增加噪&#22768;抑制能力。&#23548;通&#26102;&#38388;&#20135;生器 (on-time generator) &#23558;&#38543;&#36755;入和&#36755;出&#30005;&#21387;自&#21160;改&#21464;&#23548;通&#26102;&#38388;,以使&#30005;感器&#30005;流&#32441;波在整&#20010;&#36755;入 / &#36755;出范&#22260;&#20869;都保持恒定。&#20026;能有更精确的&#36755;出&#30005;&#21387;,在回路中加上DC偏移消除功能以消除&#32441;波偏移&#30005;&#21387;。上述提及的功能不&#20165;增加CPU&#30005;源控制器的&#31283;健性和精确度,而且能保有良好的瞬&#24577;&#21709;&#24212;性能。</p> <p><a class="fancybox" href="/content/dam/richtek-eds/resources/application-notes/an020/html-images-zh-cn/image003_zh-cn.png" ><img width=380 height=261 src="/content/dam/richtek-eds/resources/application-notes/an020/html-images-zh-cn/image003_zh-cn.png" alt="Technical Document Image Preview"></a></p> <p class=MsoNormal>&#22270;二、G-NAVP&#8482; 控制架构之&#30005;路&#22270;</p> <br> <p class=MsoNormal>2.1. 恒定&#23548;通&#26102;&#38388;控制的&#35843;&#21464;</p> <p class=MsoNormal>由于恒定&#23548;通&#26102;&#38388;控制有&#36739;快的瞬&#24577;&#21709;&#24212;、良好的&#36731;&#36733;效率和更小的&#32452;件尺寸,使得它已被&#24191;泛采用。&#23545;于&#26102;下的&#30005;池供&#30005;&#20135;品,&#36739;&#38271;的使用&#26102;&#38388;&#23545;使用者是很重要的特性之一。因此,恒定&#23548;通&#26102;&#38388;控制所具有的良好的&#36731;&#36733;效率能非常好地&#28385;足&#30005;池供&#30005;&#20135;品&#35774;&#35745;者的需求。</p> <p class=Richtek11>恒定&#23548;通&#26102;&#38388;控制也是一种&#21464;&#39057;控制。PWM是在&#36830;&#32493;&#30005;流模式(CCM)下,透&#36807;&#30005;流反&#39304;信&#21495;和 comp信&#21495;&#26469;&#35843;&#21464;的,如&#22270;三所示。&#24403;comp 信&#21495;上升碰到&#30005;流反&#39304;信&#21495;&#26102;,控制&#24320;&#20851;打&#24320;,&#32463;&#36807;&#20869;部&#21333;次触&#21457;定&#26102;器&#35774;定的&#26102;&#38388;以后才&#20851;&#38381;。</p> <p><a class="fancybox" href="/content/dam/richtek-eds/resources/application-notes/an020/html-images-zh-cn/image004_zh-cn.png" ><img width=372 height=239 src="/content/dam/richtek-eds/resources/application-notes/an020/html-images-zh-cn/image004_zh-cn.png" alt="Technical Document Image Preview"></a></p> <p class=MsoNormal>&#22270;三、在CCM&#26102;,基本 G-NAVP&#8482; &#35843;&#21464;波形示意&#22270;</p> <br> <p class=Richtek11>在&#36127;&#36733;&#21457;生瞬&#24577;&#21464;化的&#26102;候,恒定&#23548;通&#26102;&#38388;控制&#20250;自&#21160;改&#21464;&#24320;&#20851;&#39057;率以加快瞬&#24577;&#21709;&#24212;。&#24403;&#36127;&#36733;增大&#26102;,&#20851;&#38381;&#26102;&#38388;&#20943;少,&#36825;相&#24403;于提高了&#24320;&#20851;&#39057;率,所以能&#23558;更多的能量&#20256;送&#32473;&#36127;&#36733;,如&#22270;四。&#24403;&#36127;&#36733;下降&#26102;,&#20851;&#38381;&#26102;&#38388;增加,相&#24403;于降低&#24320;&#20851;&#39057;率,也同&#26102;&#32531;和了&#36807;&#20914;&#29616;象。</p> <p><a class="fancybox" href="/content/dam/richtek-eds/resources/application-notes/an020/html-images-zh-cn/image005_zh-cn.png" ><img width=372 height=268 src="/content/dam/richtek-eds/resources/application-notes/an020/html-images-zh-cn/image005_zh-cn.png" alt="Technical Document Image Preview"></a></p> <p class=MsoNormal>&#22270;四、在&#36127;&#36733;上升&#26102;,G-NAVP&#8482; 的&#35843;&#21464;示意&#22270;</p> <br> <p class=Richtek11>恒定&#23548;通&#26102;&#38388;控制的主要优&#28857;是它的&#36731;&#36733;效率高。在非&#36830;&#32493;&#30005;流模式(DCM)下,恒定&#23548;通&#26102;&#38388;控制的&#24320;&#20851;&#39057;率与&#36127;&#36733;&#30005;流的大小成正比,如&#22270;五所示。&#36731;&#36733;&#26102;的&#24320;&#20851;&#25439;耗&#20026;主要的&#25439;耗,所以&#36731;&#36733;效率可藉由降低&#24320;&#20851;&#39057;率而得到改善,在&#22270;六可以看到在&#36731;&#36733;&#26465;件下使用恒定&#23548;通&#26102;&#38388;控制可比使用定&#39057;控制&#36798;到更高的效率。<br> <br> 在 DCM 操作中,低&#20391;MOSFET 如同一&#20010;二极管;在&#30005;感器&#30005;流&#36798;到零&#26102;,低&#20391; MOSFET 才&#20250;&#20851;&#38381;。低&#20391; MOSFET 被&#20851;&#38381;之后,&#36755;出&#30005;容的放&#30005;&#26102;&#38388;就取&#20915;于&#36127;&#36733;&#30005;流。</p> <p><a class="fancybox" href="/content/dam/richtek-eds/resources/application-notes/an020/html-images-zh-cn/image006_zh-cn.png" ><img width=483 height=163 src="/content/dam/richtek-eds/resources/application-notes/an020/html-images-zh-cn/image006_zh-cn.png" alt="Technical Document Image Preview"></a></p> <p class=MsoNormal>(a) &#36127;&#36733;&#36739;&#36731;&#26102;,&#30005;容放&#30005;斜率&#36739;&#22270;五 (b) 低。</p> <br> <p><a class="fancybox" href="/content/dam/richtek-eds/resources/application-notes/an020/html-images-zh-cn/image007_zh-cn.png" ><img width=500 height=160 src="/content/dam/richtek-eds/resources/application-notes/an020/html-images-zh-cn/image007_zh-cn.png" alt="Technical Document Image Preview"></a></p> <p class=MsoNormal>(b) &#36127;&#36733;&#36739;重&#26102;,&#30005;容放&#30005;斜率&#36739;&#22270;五 (a) 高。</p> <p>&#22270;五、在 DCM 下,G-NAVP&#8482; 控制的波形示意&#22270;:(a) &#36127;&#36733;&#36739;&#36731;&#26102;,(b) &#36127;&#36733;&#36739;重&#26102;。</p> <br> <p><a class="fancybox" href="/content/dam/richtek-eds/resources/application-notes/an020/html-images-zh-cn/image008_zh-cn.jpg" ><img width=602 height=550 id="圖表 1" src="/content/dam/richtek-eds/resources/application-notes/an020/html-images-zh-cn/image008_zh-cn.jpg"></a></p> <p class=MsoNormal>&#22270;六、定&#39057;控制与&#21464;&#39057;控制的效率比&#36739;&#22270;。</p> <br> <p class=MsoNormal>2.2. 固定&#30005;流&#32441;波</p> <p class=MsoNormal>由于在&#23548;通&#26102;&#38388;&#20869;,&#30005;感&#30005;流&#32441;波正比于&#36755;入&#30005;&#21387;和&#36755;出&#30005;&#21387;之差,&#30005;感&#30005;流&#32441;波&#20250;&#38543;&#36755;入&#30005;&#21387;和&#36755;出&#30005;&#21387;而&#21464;化,并&#36827;一步影&#21709;&#36755;出&#30005;&#21387;&#32441;波。</p> <p class=MsoNormal><a class="fancybox" href="/content/dam/richtek-eds/resources/application-notes/an020/html-images-zh-cn/image009_zh-cn.png" ><img width=146 height=46 id="圖片 8" src="/content/dam/richtek-eds/resources/application-notes/an020/html-images-zh-cn/image009_zh-cn.png" alt="Technical Document Image Preview"></a> (1)</p> <p class=Richtek11>固定&#30005;流&#32441;波之恒定&#23548;通&#26102;&#38388;(CCRCOT)机制&#20250;&#26816;&#27979;&#36755;入和&#36755;出&#30005;&#21387;并自&#21160;使&#23548;通&#26102;&#38388;与&#36755;入和&#36755;出&#30005;&#21387;之差成反比。以此&#23548;通&#26102;&#38388;控制法,G-NAVP&#8482; 架构可以在&#23485;&#36755;入 / &#36755;出操作范&#22260;&#20869;提供&#32477;佳的&#36755;出&#30005;&#21387;&#32441;波,并能符合&#36755;出&#32441;波TOB&#35268;格要求,也可以&#36827;一步降低&#36755;出&#30005;容的尺寸。<br> <br> <br> <p class=MsoNormal>2.3. 适&#24212;性&#30005;&#21387;定位</p> <p class=MsoNormal>目前消&#36153;性&#30005;子&#20135;品的&#36235;&#21183;是&#23558;&#20135;品&#35774;&#35745;得越&#26469;越小,而&#30005;源供&#24212;器的大小通常&#39035;&#35270;功率&#32423;元件如&#30005;感和&#30005;容之大小而定。&#24403;元件尺寸&#21464;小后,散&#28909;&#38382;&#39064;就更&#20026;突&#26174;。适&#24212;性&#30005;&#21387;定位 (AVP)功能具&#22791;&#33410;省能源和 BOM 成本的特色,于是&#20026;了解&#20915;上述&#38382;&#39064;而被提出。</p> <p class=Richtek11>AVP 的基本方法是&#23558;&#36755;出&#30005;&#21387;控制在比&#28385;&#36733;&#26102;的最小&#30005;&#21387;值略高而比&#36731;&#36733;&#26102;的最大&#30005;&#21387;值略低的水平上,&#36755;出&#30005;&#21387;容&#35768;范&#22260;就成了&#24403;&#36127;&#36733;&#21457;生瞬&#24577;&#21464;化&#26102;的&#30005;&#21387;跳升或下降的范&#22260;了。&#22270;七&#26174;示非 AVP 和 AVP &#35774;&#35745;之&#38388;的瞬&#24577;&#21464;化的比&#36739;&#22270; [4] - [5] 。由于容&#35768;&#30005;&#21387;跳升或下降的幅度&#21464;大了,AVP &#35774;&#35745;容&#35768;使用&#36739;少的&#36755;出&#30005;容,降低 VR 的成本。此外,AVP 控制也使散&#28909;&#35774;&#35745;&#36739;&#20026;容易,因&#20026;在&#28385;&#36733;&#26102; VR 的&#36755;出功率已降低了。</p> <p class=Richtek11>要&#23454;&#29616; AVP 功能&#26102;,必&#39035;&#23558; VR &#36755;出阻抗&#35774;&#35745;&#20026;恒定的,如&#22270;八所示。</p> <p><a class="fancybox" href="/content/dam/richtek-eds/resources/application-notes/an020/html-images-zh-cn/image010_zh-cn.png" ><img width=413 height=202 src="/content/dam/richtek-eds/resources/application-notes/an020/html-images-zh-cn/image010_zh-cn.png" alt="Technical Document Image Preview"></a></p> <p class=MsoNormal>&#22270;七、AVP 的功能示意&#22270;</p> <br> <p><a class="fancybox" href="/content/dam/richtek-eds/resources/application-notes/an020/html-images-zh-cn/image011_zh-cn.png" ><img width=349 height=167 src="/content/dam/richtek-eds/resources/application-notes/an020/html-images-zh-cn/image011_zh-cn.png" alt="Technical Document Image Preview"></a></p> <p class=MsoNormal>&#22270;八、&#36127;&#36733;&#30005;流与&#36755;出&#30005;&#21387;的&#20851;系</p> <br> <p class=Richtek11>G-NAVP&#8482; 架构不采用&#36739;复&#26434;的&#31867;型三 (type-3) &#34917;&#20607;器,反而采用低增益的&#34917;&#20607;器(有一&#20010;极&#28857;和一&#20010;零&#28857;),且借&#30528;低增益&#34917;&#20607;中原生的&#31283;&#24577;&#35823;差&#26469;&#23454;&#29616; AVP 功能,此架构也因此被&#31216;&#20026;原生适&#24212;性&#30005;&#21387;定位(NAVP)控制架构。</p> <p class=Richtek11>在G-NAVP&#8482; 架构中,AVP功能的&#36816;作需&#35774;定&#32463;&#30005;流回路和&#30005;&#21387;回路之&#36127;&#36733;&#32447;(下垂)。&#20026;使用&#25143;能方便使用,立&#38172;在&#36825;些 IC 的&#35268;格&#20070;中都提供了相&#23545;&#24212;的&#31616;要&#36127;&#36733;&#32447;&#35774;定公式。<br> <br> <br> <p class=MsoNormal>2.4. 斜坡&#34917;&#20607;</p> <p class=MsoNormal>G-NAVP&#8482; 架构因考&#34385;到噪&#22768;&#36793;限和抖&#21160;,所以采用了斜坡&#34917;&#20607;,以增加在&#24320;&#20851;&#33410;&#28857;的噪&#22768;抑制能力 (noise immunity) 并&#20943;少抖&#21160; (jitter) 。此外,藉适&#24403;的&#35774;&#35745;,斜坡&#34917;&#20607;也可使模式的切&#25442;&#36739;&#20026;平&#39034;。&#22270;九&#26174;示有和&#26080;斜坡&#34917;&#20607;的噪&#22768;&#36793;限之比&#36739;。</p> <p><a class="fancybox" href="temp.files/image012.png" ><img width=369 height=277 src="temp.files/image012.png" alt="Technical Document Image Preview"></a></p> <p class=MsoNormal>&#22270;九、有和&#26080;斜坡&#34917;&#20607;的噪&#22768;&#36793;限之比&#36739;。</p> <br><br> <h2 id="__Bookmark__3">3. &#32467;&#35770;</h2> <p class=MsoNormal>&#38543;&#30528;移&#21160;&#20135;品市&#22330;的增&#38271;,&#30005;池有限的使用&#26102;&#38388;和散&#28909;等因素使&#30005;源效率&#38382;&#39064;愈&#26469;愈被重&#35270;,立&#38172;所提供的G-NAVP&#8482; 架构&#21017;能兼&#39038;性能和效率的要求,非常符合消&#36153;者的需要。<br> <br> G-NAVP&#8482; 架构采用的是有&#30005;流斜坡和AVP功能的固定&#30005;流&#32441;波型恒定&#23548;通&#26102;&#38388;控制法。恒定&#23548;通&#26102;&#38388;控制具有快速&#21709;&#24212;和高效率的特&#28857;,AVP 能&#33410;省 BOM 的成本,偏移消除&#30005;路和斜坡&#34917;&#20607;&#21017;能提高DC的精确度和噪&#22768;抑制能力。&#32467;合上述功能,以 G-NAVP&#8482; &#20026;控制架构的VR控制器能提供&#32477;佳的性能,且可&#28385;足大多&#25968;英特&#23572;和AMD 之 VR &#30005;源&#35268;格。<br> <br> </p> <br><br> <h2 id="__Bookmark__4">4. &#21442;考&#25968;据</h2> <div class="tb-system"> <table class=MsoNormalTable border=0 cellspacing=0 cellpadding=0 width=682 style='border-collapse:collapse'> <tr style='height:24.0pt'> <td width=20 valign=top style='width:14.95pt;padding:.75pt .75pt .75pt .75pt; height:24.0pt'> <p class=MsoNormal>[1]</p> </td> <td width=662 valign=top style='width:496.75pt;padding:.75pt .75pt .75pt .75pt; height:24.0pt'> <p class=MsoNormal>Intel document, “Moore’s Law Timeline,” Available at <a href="http://download.intel.com/pressroom/kits/events/moores_law_40th/MLTimeline.pdf" class="link">http://download.intel.com/pressroom/kits/events/moores_law_40th/MLTimeline.pdf</a></p> </td> </tr> <tr style='height:12.75pt'> <td width=20 valign=top style='width:14.95pt;padding:.75pt .75pt .75pt .75pt; height:12.75pt'> <p class=MsoNormal>[2]</p> </td> <td width=662 valign=top style='width:496.75pt;padding:.75pt .75pt .75pt .75pt; height:12.75pt'> <p class=MsoNormal>Intel document, “Intel Processor History,” Available at <a href="http://download.intel.com/pressroom/kits/IntelProcessorHistory.pdf" target="_blank" class="link">http://download.intel.com/pressroom/kits/IntelProcessorHistory.pdf</a></p> </td> </tr> <tr> <td width=20 valign=top style='width:14.95pt;padding:.75pt .75pt .75pt .75pt'> <p class=MsoNormal>[3]</p> </td> <td width=662 valign=top style='width:496.75pt;padding:.75pt .75pt .75pt .75pt'> <p class=MsoNormal>Intel document, “Intel&reg;’s 22nm Technologys Moves Transistor Into the 3rd Dimension,” Available at <a href="http://www.intel.com/content/dam/www/public/us/en/documents/backgrounders/standards-22-nanometers-technology-backgrounder.pdf" target="_blank" class="link">http://www.intel.com/content/dam/www/public/us/en/documents/backgrounders/standards-22-nanometers-technology-backgrounder.pdf</a></p> </td> </tr> <tr> <td width=20 valign=top style='width:14.95pt;padding:.75pt .75pt .75pt .75pt'> <p class=MsoNormal>[4]</p> </td> <td width=662 valign=top style='width:496.75pt;padding:.75pt .75pt .75pt .75pt'> <p class=MsoNormal>Kaiwei Yao, Yuancheng Ren, Julu Sun, Kisun Lee, Ming Xu, Jinghai Zhou and Fred C. Lee, “Adaptive Voltage Position Design for Voltage Regulators,” IEEE APEC’04.</p> </td> </tr> <tr style='height:2.25pt'> <td width=20 valign=top style='width:14.95pt;padding:.75pt .75pt .75pt .75pt; height:2.25pt'> <p class=MsoNormal>[5]</p> </td> <td width=662 valign=top style='width:496.75pt;padding:.75pt .75pt .75pt .75pt; height:2.25pt'> <p class=MsoNormal>Jian Rong Huang, Sophia Chien-Hui Wang, Chia Jung Lee, Eddie Kuo-Lung Tseng and Dan Chen, “Native AVP Control Method for Constant Output Impedance of DC Power Converters,” IEEE PESC’07.</p> </td> </tr> </table> </div> <br><br><br> <table style="width: 637.5pt; border-collapse: collapse; border: medium none;" class="3-51" cellspacing="0" cellpadding="0" border="1"> <tbody> <tr style="height: 17pt;"> <td style="border-width: 1pt 1px 1px 1pt; border-style: solid; border-color: #009eb8; background-color: #009eb8; background-image: url(e); background-repeat: repeat; background-attachment: scroll; background-clip: border-box; background-origin: padding-box; background-size: auto auto; padding-right: 5pt; padding-left: 5pt; height: 17pt;" colspan="2"> <span style="color: #ffffff;">相关资源</span> </td> </tr> <tr> <td style="border-width: 1pt 1px 1px 1pt; border-style: solid; border-color: #009eb8; background-color: #ffffff; background-image: url(e); background-repeat: repeat; background-attachment: scroll; background-clip: border-box; background-origin: padding-box; background-size: auto auto; padding-right: 5pt; padding-left: 5pt; height: 17pt;"> 立锜科技电子报 </td> <td style="border-width: 1pt 1px 1px 1pt; border-style: solid; border-color: #009eb8; background-color: #ffffff; background-image: url(e); background-repeat: repeat; background-attachment: scroll; background-clip: border-box; background-origin: padding-box; background-size: auto auto; padding-right: 5pt; padding-left: 5pt; height: 17pt;"> <a class="link" href="http://www.richtek.com/My%20Richtek/Newsletters" target="_blank">订阅立锜科技电子报</a> </td> </tr> <tr> <td style="border-width: 1pt 1px 1px 1pt; border-style: solid; border-color: #009eb8; background-color: #ffffff; background-image: url(e); background-repeat: repeat; background-attachment: scroll; background-clip: border-box; background-origin: padding-box; background-size: auto auto; padding-right: 5pt; padding-left: 5pt; height: 17pt;"> 档案下载 </td> <td style="border-width: 1pt 1px 1px 1pt; border-style: solid; border-color: #009eb8; background-color: #ffffff; background-image: url(e); background-repeat: repeat; background-attachment: scroll; background-clip: border-box; background-origin: padding-box; background-size: auto auto; padding-right: 5pt; padding-left: 5pt; height: 17pt;"> <a class="link" href="http://www.richtek.com/Design%20Support/Technical%20Document/~/media/AN%20PDF/AN020_CN.ashx">PDF 下载</a> </td> </tr> </tbody> </table> <br><br><br>
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