{"id":356,"date":"2021-02-19T22:23:53","date_gmt":"2021-02-19T14:23:53","guid":{"rendered":"https:\/\/dt9025a.xyz\/?p=356"},"modified":"2021-02-20T00:14:54","modified_gmt":"2021-02-19T16:14:54","slug":"%e5%8d%87%e5%8e%8b%e6%96%a9%e6%b3%a2boost%e7%94%b5%e8%b7%af","status":"publish","type":"post","link":"https:\/\/dt9025a.top\/?p=356","title":{"rendered":"\u5347\u538b\u65a9\u6ce2BOOST\u7535\u8def"},"content":{"rendered":"\n<p>BOOST\u7535\u8def\u5c5e\u4e8e\u65a9\u6ce2\u7535\u8def\u7684\u4e00\u79cd\uff0c\u4e3b\u8981\u7528\u6765\u8fdb\u884c\u5347\u538b\u53d8\u6362\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u57fa\u672c\u539f\u7406<\/h3>\n\n\n\n<figure class=\"wp-block-image size-large is-style-default\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"344\" src=\"https:\/\/dt9025a.top\/wp-content\/uploads\/2021\/02\/image-4-1024x344.png\" alt=\"\" class=\"wp-image-357\" srcset=\"https:\/\/dt9025a.top\/wp-content\/uploads\/2021\/02\/image-4-1024x344.png 1024w, https:\/\/dt9025a.top\/wp-content\/uploads\/2021\/02\/image-4-300x101.png 300w, https:\/\/dt9025a.top\/wp-content\/uploads\/2021\/02\/image-4-768x258.png 768w, https:\/\/dt9025a.top\/wp-content\/uploads\/2021\/02\/image-4.png 1177w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption>\u57fa\u672c\u7535\u8def\u7ed3\u6784<\/figcaption><\/figure>\n\n\n\n<p>\u53ef\u4ee5\u901a\u8fc7MOS\u7ba1\u7684\u901a\u65ad\u72b6\u6001\u6765\u8fdb\u884c\u7535\u8def\u5de5\u4f5c\u60c5\u51b5\u7684\u5206\u6790\uff0c\u5047\u8bbe\u7535\u8def\u5728Q1\u8fdb\u884c\u5f00\u5173\u52a8\u4f5c\u524d\u4e3a\u96f6\u72b6\u6001\uff1a<\/p>\n\n\n\n<p>\u5f53Q\u5bfc\u901a\u65f6\uff0cVin\u901a\u8fc7\u5de6\u534a\u8fb9\u56de\u8def\u5411L\u5145\u7535\u3002\u540c\u65f6\u7531\u4e8e\u4e8c\u6781\u7ba1\u7684\u5355\u5411\u5bfc\u7535\u6027\uff0cC\u4e2d\u50a8\u5b58\u7684\u7535\u80fd\u65e0\u6cd5\u901a\u8fc7\u5de6\u534a\u8fb9\u56de\u8def\uff0c\u6545\u901a\u8fc7RL\u8fdb\u884c\u4e86\u653e\u7535\uff0c\u5411RL\u63d0\u4f9b\u80fd\u91cf\uff08\u7b2c\u4e00\u6b21\u7531\u4e8eC\u4e3a\u96f6\u72b6\u6001\u6545\u6ca1\u6709\u8f93\u51fa\uff09\u3002\u6b64\u65f6\uff0cVin\u7aef\u7535\u6d41\u57fa\u672c\u6052\u5b9a\u4e3aL\u7684\u5145\u7535\u7535\u6d41\u3002\u7531\u4e8eC\u5f88\u5927\uff0cQ\u5bfc\u901a\u65f6\u95f4\u5f88\u5c0f\uff0cVout\u57fa\u672c\u6052\u5b9a\u3002<\/p>\n\n\n\n<p>\u5f53Q\u5173\u95ed\u65f6\uff0cVin\u4e0eL\u5171\u540c\u5411C\u8fdb\u884c\u5145\u7535\uff0c\u5e76\u5411RL\u63d0\u4f9b\u80fd\u91cf\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5b9a\u91cf\u5206\u6790<\/h3>\n\n\n\n<p>$$\\begin{equation}<br>\\begin{split}<br>&amp;\u7406\u60f3\u6761\u4ef6\u4e0b\uff1a\\newline<br>&amp;\u8bbeQ\u5bfc\u901a\u65f6\u95f4\u4e3aT_{on} \uff0c\u5173\u65ad\u65f6\u95f4\u4e3aT_{off}\uff0c\u5468\u671f\u4e3aT\uff0c\u7535\u611f\u5145\u7535\u7535\u6d41\u4e3aI_{L} :\\newline<br>&amp;\u5728Q\u5bfc\u901a\u9636\u6bb5\uff0cL\u5438\u6536\u80fd\u91cf\u4e3aP_{abs} = U_{i} \\times I_{L}\\times T_{on}\\newline<br>&amp;\u5728Q\u5173\u95ed\u9636\u6bb5\uff0cL\u91ca\u653e\u80fd\u91cf\u4e3aP_{rel} = (U_{o} &#8211; U_{i}) \\times I_{L}\\times T_{off}\\newline<br>&amp;\u7535\u8def\u8fbe\u5230\u7a33\u6001\u65f6\uff0c\u6709P_{abs} = P_{rel}\uff0c\u5373U_{i} \\times I_{L}\\times T_{on} = (U_{o} &#8211; U_{i}) \\times I_{L}\\times T_{off}\\newline<br>&amp;\u5316\u7b80\u5f97U_{o}=\\frac{ U_{i} \\times (T_{on}+T_{off})}{T_{off}}=\\frac{T}{T_{off}} U_{i}\\newline<br>&amp;\u663e\u7136\\frac{T}{T_{off}}\\ge1\uff0cU_{o} \\ge U_{i}<br>\\end{split}<br>\\end{equation}$$<\/p>\n\n\n\n<p>\u6240\u4ee5\uff0c\u53ef\u4ee5\u901a\u8fc7\u66f4\u6539PWM\u4fe1\u53f7\u7684\u5360\u7a7a\u6bd4\u6765\u8fdb\u884c\u8f93\u51fa\u7535\u538b\u7684\u8c03\u8282\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5b9e\u7269\u4f53\u9a8c<\/h3>\n\n\n\n<p>\u8be5\u7535\u8def\u4f7f\u7528\u7684\u5143\u4ef6\u53c2\u6570\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>\u5143\u4ef6\u6807\u53f7<\/td><td>\u578b\u53f7<\/td><td>\u53c2\u6570\u503c<\/td><\/tr><tr><td>Q1<\/td><td>WST3400S<\/td><td>30V@5.6A<\/td><\/tr><tr><td>D1<\/td><td>ES1G-T R3G<\/td><td>400V<\/td><\/tr><tr><td>L1<\/td><td>&#8211;<\/td><td>47uH<\/td><\/tr><tr><td>C1<\/td><td>&#8211;<\/td><td>8.2\u03bcF@250V<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"480\" src=\"https:\/\/dt9025a.top\/wp-content\/uploads\/2021\/02\/image-6.png\" alt=\"\" class=\"wp-image-361\" srcset=\"https:\/\/dt9025a.top\/wp-content\/uploads\/2021\/02\/image-6.png 800w, https:\/\/dt9025a.top\/wp-content\/uploads\/2021\/02\/image-6-300x180.png 300w, https:\/\/dt9025a.top\/wp-content\/uploads\/2021\/02\/image-6-768x461.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption>\u9a71\u52a8\u6ce2\u5f62<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"766\" height=\"1024\" src=\"https:\/\/dt9025a.top\/wp-content\/uploads\/2021\/02\/image-5-766x1024.png\" alt=\"\" class=\"wp-image-360\" srcset=\"https:\/\/dt9025a.top\/wp-content\/uploads\/2021\/02\/image-5-766x1024.png 766w, https:\/\/dt9025a.top\/wp-content\/uploads\/2021\/02\/image-5-225x300.png 225w, https:\/\/dt9025a.top\/wp-content\/uploads\/2021\/02\/image-5-768x1026.png 768w, https:\/\/dt9025a.top\/wp-content\/uploads\/2021\/02\/image-5-1150x1536.png 1150w, https:\/\/dt9025a.top\/wp-content\/uploads\/2021\/02\/image-5.png 1455w\" sizes=\"auto, (max-width: 766px) 100vw, 766px\" \/><figcaption>\u5e26\u8f7d\u6d4b\u8bd5<\/figcaption><\/figure>\n\n\n\n<p>\u8be5\u7535\u8def\u6548\u7387\u57fa\u672c\u7ef4\u6301\u572878%\u5de6\u53f3\uff0cVpp\u4ec0\u4e48\u7684\u4e5f\u6ca1\u6d4b\u3002\u6bd5\u7adf\u662f\u968f\u624b\u51d1\u51fa\u6765\u7684\u5b9e\u9a8c\u6027\u7535\u8def\uff0c\u4e0d\u5bd2\u789c\uff08\u7b11<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u8fdb\u4e00\u6b65\u6d4b\u8bd5<\/h3>\n\n\n\n<p>\u4e0b\u6587\u6d4b\u8bd5\u6761\u4ef6\u4e3a\uff1a5V BOOST 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(max-width: 806px) 100vw, 806px\" \/><\/figure>\n\n\n\n<p> \u5f53\u524dPWM\u9891\u7387\u4e3a62.5KHz\uff0c\u4f46\u611f\u89c9\u8fd8\u53ef\u4ee5\u518d\u9ad8\u3002\u8be5\u62d3\u6251\u6548\u7387\u5728\u5f53\u524d\u9891\u7387\u4e0b\u968f\u7740\u9891\u7387\u7684\u589e\u9ad8\u800c\u63d0\u9ad8\uff0cVpp\u51cf\u5c0f<sup>[1]<\/sup> \uff08\u5f53\u9891\u7387\u4e3a980HZ\u65f6\uff0cVpp\u8fbe\u52306V\uff0c\u6548\u7387\u964d\u81f356%\uff09\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>[1]\uff1a\u7531\u4e8e\u7535\u5bb9\u7535\u611f\u5145\u653e\u7535\u4f7f\u5f97\u7535\u538b\u5448\u7ebf\u6027\u53d8\u5316\uff0c\u6545\u5145\u653e\u7535\u65f6\u957f\u4f1a\u6539\u53d8\u7535\u5bb9\u7535\u611f\u7684\u5145\u653e\u7535\u91cf\uff0c\u4f7f\u7535\u538b\u53d8\u5316\u91cf\u51cf\u5c0f\uff0c\u8f93\u51fa\u8d8b\u4e8e\u5e73\u7a33\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>BOOST\u7535\u8def\u5c5e\u4e8e\u65a9\u6ce2\u7535\u8def\u7684\u4e00\u79cd\uff0c\u4e3b\u8981\u7528\u6765\u8fdb\u884c\u5347\u538b\u53d8\u6362\u3002 \u57fa\u672c\u539f\u7406 \u57fa\u672c\u7535\u8def\u7ed3\u6784 \u53ef\u4ee5\u901a\u8fc7MOS\u7ba1\u7684\u901a\u65ad\u72b6\u6001\u6765&#8230; <\/p>\n<div class=\"read-more navbutton\"><a href=\"https:\/\/dt9025a.top\/?p=356\">\u9605\u8bfb\u66f4\u591a<i class=\"fa fa-angle-double-right\"><\/i><\/a><\/div>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9],"tags":[],"class_list":["post-356","post","type-post","status-publish","format-standard","hentry","category-9"],"_links":{"self":[{"href":"https:\/\/dt9025a.top\/index.php?rest_route=\/wp\/v2\/posts\/356","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dt9025a.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dt9025a.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dt9025a.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/dt9025a.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=356"}],"version-history":[{"count":0,"href":"https:\/\/dt9025a.top\/index.php?rest_route=\/wp\/v2\/posts\/356\/revisions"}],"wp:attachment":[{"href":"https:\/\/dt9025a.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=356"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dt9025a.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=356"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dt9025a.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=356"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}