{"id":86,"date":"2012-01-15T21:55:54","date_gmt":"2012-01-15T13:55:54","guid":{"rendered":"http:\/\/blog.dword1511.info\/?p=86"},"modified":"2012-01-16T17:59:05","modified_gmt":"2012-01-16T09:59:05","slug":"%e6%89%93%e7%ae%97%e5%81%9a%e4%b8%80%e4%b8%aa-boost-led-%e9%a9%b1%e5%8a%a8%e7%94%b5%e8%b7%af","status":"publish","type":"post","link":"http:\/\/blog.dword1511.info\/?p=86","title":{"rendered":"\u6253\u7b97\u505a\u4e00\u4e2a Boost LED \u9a71\u52a8\u7535\u8def"},"content":{"rendered":"<p>\u624b\u4e0a\u6709\u597d\u591a\u7247 MC34063 DC-DC \u82af\u7247 \uff0c\u867d\u7136\u8fd9\u73a9\u610f\u98df\u4e4b\u65e0\u5473\u5427\uff0c\u4f46\u603b\u4e0d\u80fd\u653e\u5728\u90a3\u5360\u5730\u513f\u5427\uff0c\u4e0d\u5982\u6293\u6765\u505a\u5b9e\u9a8c =w=<\/p>\n<p>LED \u9a71\u52a8\u5355\u8def\u7684\u90a3\u5957\u7406\u8bba\u5c31\u4e0d\u591a\u8bb2\u4e86\uff0c\u603b\u4e4b\u5c31\u662f\u8981\u6052\u6d41\u4e0d\u8981\u6052\u538b\u4e4b\u7c7b\u7684\u3002\u5bf9\u4e8e 4 \u4e32\u4ee5\u4e0a\u7684 LED \uff0c\u5176\u6b63\u5e38\u5de5\u4f5c\u7535\u538b\u53ef\u9ad8\u8fbe 13V+ \uff0c\u5982\u679c\u4f60\u662f\u5728\u7528\u7535\u6c60\u7684\u8bdd\u5c31\u5f80\u5f80\u8fd8\u9700\u8981\u4e00\u53ea boost converter \u628a\u7535\u538b\u5347\u4e0a\u53bb\u3002\u4e8e\u662f\u5c31\u6709\u4e86\u4e0b\u9762\u7684\u60f3\u6cd5\uff1a<\/p>\n<p><!--more--><\/p>\n<p style=\"text-align: center;\"><a href=\"http:\/\/blog.dword1511.info\/wp-uploads\/2012\/01\/34063-led1.png\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-101\" title=\"34063-led\" src=\"http:\/\/blog.dword1511.info\/wp-uploads\/2012\/01\/34063-led1.png\" alt=\"\" width=\"640\" height=\"480\" srcset=\"http:\/\/blog.dword1511.info\/wp-uploads\/2012\/01\/34063-led1.png 640w, http:\/\/blog.dword1511.info\/wp-uploads\/2012\/01\/34063-led1-400x300.png 400w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/a><\/p>\n<p>\u5982\u56fe\uff0c\u4ee5 MC34063 datasheet \u91cc\u9762\u6807\u51c6\u7684 boost \u7535\u8def\u4e3a\u57fa\u7840\uff0c\u7a0d\u5fae\u6539\u6539\u53cd\u9988\u7535\u8def\u5c31\u884c\u4e86\u3002D2 \u4ee3\u8868\u7684\u662f\u591a\u4e32 LED \uff0cR2\u662f\u6d4b\u6d41\u7535\u963b\uff0c\u56e0\u4e3a 34063 COMP \u7aef\u7684\u9608\u503c\u662f 1.25V \uff0c\u6240\u4ee5\u7531 R = U\/I \u4ee5\u53ca\u5927\u591a\u6570 LED \u7684\u6b63\u5e38\u5de5\u4f5c\u7535\u6d41 I = 20mA \u77e5 R2 \u2248 51\u03a9 \u3002R3 \u3001R5 \u548c D3 \u5219\u662f\u4e3a\u4e86\u9632\u6b62\u8f93\u51fa\u7aef\u7684\u7535\u538b\u5728 LED \u5f00\u8def\u7684\u60c5\u51b5\u4e0b\u98d9\u5f97\u8fc7\u9ad8\uff0c\u6309\u8ba1\u5212\u56fe\u4e2d\u7684\u53c2\u6570\u5e94\u8be5\u80fd\u628a\u8f93\u51fa\u63a7\u5236\u5728 35V \u4ee5\u4e0b\u3002<\/p>\n<p>\u81f3\u4e8e\u5b9e\u9645\u60c5\u51b5\u600e\u4e48\u6837\uff0c\u53ea\u6709\u710a\u4e86\u677f\u5b50\u624d\u4f1a\u77e5\u9053\uff08\u6a21\u62df\u7535\u8def\u4eff\u771f\u90fd\u662f\u6d6e\u4e91\uff09\u3002PCB layout \u5982\u4e0b\uff0c\u91c7\u7528\u4e86 100mil \u7684\u95f4\u9694\u4ee5\u4fbf\u710a\u5728\u6d1e\u6d1e\u677f\u4e0a\u3002<\/p>\n<p style=\"text-align: center;\"><a href=\"http:\/\/blog.dword1511.info\/wp-uploads\/2012\/01\/pcb.png\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-medium wp-image-102\" title=\"pcb\" src=\"http:\/\/blog.dword1511.info\/wp-uploads\/2012\/01\/pcb-400x219.png\" alt=\"\" width=\"400\" height=\"219\" srcset=\"http:\/\/blog.dword1511.info\/wp-uploads\/2012\/01\/pcb-400x219.png 400w, http:\/\/blog.dword1511.info\/wp-uploads\/2012\/01\/pcb.png 1022w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/a><\/p>\n<p>\u4ee5\u4e0a\u3002\u5bb6\u4f19\u90fd\u5728\u5b66\u6821\uff0c\u8fd9\u5927\u6982\u662f\u6211\u5728\u5b66\u6821\u60f3\u5bb6\uff0c\u5728\u5bb6\u60f3\u5b66\u6821\u7684\u539f\u56e0\u4e4b\u4e00\u5427\uff08\u8fd8\u6709\u4e00\u4e2a\u539f\u56e0\u5c31\u662f\u534e\u519c\u7684\u70c2\u7f51 =\u2227=#\uff09\u3002\u5750\u7b49\u5f00\u5b66\u710a\u677f\u5b50\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u624b\u4e0a\u6709\u597d\u591a\u7247 MC34063 DC-DC \u82af\u7247 \uff0c\u867d\u7136\u8fd9\u73a9\u610f\u98df\u4e4b\u65e0\u5473\u5427\uff0c\u4f46\u603b\u4e0d\u80fd\u653e\u5728\u90a3\u5360\u5730\u513f\u5427\uff0c\u4e0d\u5982\u6293\u6765\u505a\u5b9e\u9a8c &hellip; <a href=\"http:\/\/blog.dword1511.info\/?p=86\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb<span class=\"screen-reader-text\">\u6253\u7b97\u505a\u4e00\u4e2a Boost LED \u9a71\u52a8\u7535\u8def<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false},"categories":[8],"tags":[],"_links":{"self":[{"href":"http:\/\/blog.dword1511.info\/index.php?rest_route=\/wp\/v2\/posts\/86"}],"collection":[{"href":"http:\/\/blog.dword1511.info\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/blog.dword1511.info\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/blog.dword1511.info\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/blog.dword1511.info\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=86"}],"version-history":[{"count":16,"href":"http:\/\/blog.dword1511.info\/index.php?rest_route=\/wp\/v2\/posts\/86\/revisions"}],"predecessor-version":[{"id":103,"href":"http:\/\/blog.dword1511.info\/index.php?rest_route=\/wp\/v2\/posts\/86\/revisions\/103"}],"wp:attachment":[{"href":"http:\/\/blog.dword1511.info\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=86"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/blog.dword1511.info\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=86"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/blog.dword1511.info\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=86"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}