{"id":6057,"date":"2019-01-10T00:00:48","date_gmt":"2019-01-09T15:00:48","guid":{"rendered":"https:\/\/micro.wfjydl.com\/techweb\/?p=6057"},"modified":"2022-09-16T15:20:18","modified_gmt":"2022-09-16T07:20:18","slug":"%e5%8f%98%e5%8e%8b%e5%99%a8t1%e7%9a%84%e8%ae%be%e8%ae%a1%e3%80%80%e5%85%b61","status":"publish","type":"post","link":"https:\/\/techclass.wfjydl.com\/knowledge\/acdc\/acdc_pwm\/acdc_pwm05\/6734","title":{"rendered":"\u53d8\u538b\u5668T1\u7684\u8bbe\u8ba1\u3000\u51761"},"content":{"rendered":"<p>\u4ece\u672c\u6587\u5f00\u59cb\u8fdb\u5165\u5177\u4f53\u7684\u8bbe\u8ba1\uff0c\u6bd4\u5982\u8ba1\u7b97\u76f8\u5173\u7535\u8def\u5e38\u6570\u7b49\u3002\u9996\u5148\u662f\u53d8\u538b\u5668T1\u7684\u8bbe\u8ba1\u3002\u8ba1\u7b97\u6b65\u9aa4\u5982\u4e0b\u3002\u8fd9\u4e0e\u201c<a href=\"\/knowledge\/acdc\/acdc_pwm\/acdc_pwm01\/940\" target=\"_blank\" rel=\"noopener noreferrer\">\u9694\u79bb\u578b\u53cd\u6fc0\u5f0f\u8f6c\u6362\u5668\u7535\u8def\u8bbe\u8ba1\uff1a\u53d8\u538b\u5668\u8bbe\u8ba1\uff08\u6570\u503c\u8ba1\u7b97\uff09<\/a>\u201d\u4e2d\u7684\u601d\u8def\u57fa\u672c\u76f8\u540c\uff0c\u53ef\u4ee5\u53c2\u8003\u8fd9\u7bc7\u6587\u7ae0\u4e2d\u7684\u5185\u5bb9\u3002<\/p>\n<div class=\"fBox\">\n<div class=\"fl\" style=\"width: 450px;\">\n<ul class=\"line-none disc-none\">\n<li>\u2460\u53cd\u6fc0\u5f0f\u7535\u538bVOR\u7684\u8bbe\u5b9a<\/li>\n<li>\u2461\u4e00\u6b21\u4fa7\u7ed5\u7ec4\u7535\u611f\u503cLp\u3001\u4e00\u6b21\u4fa7\u7684\u6700\u5927\u7535\u6d41Ippk\u7684\u8ba1\u7b97<\/li>\n<li>\u2462\u53d8\u538b\u5668\u5c3a\u5bf8\u7684\u51b3\u5b9a<\/li>\n<li>\u2463\u4e00\u6b21\u4fa7\u7ed5\u7ec4\u6570Np\u7684\u8ba1\u7b97<\/li>\n<li>\u2464\u4e8c\u6b21\u4fa7\u7ed5\u7ec4\u6570Ns\u7684\u8ba1\u7b97<\/li>\n<li>\u2465VCC\u7ed5\u7ec4\u6570Nd\u7684\u8ba1\u7b97<\/li>\n<\/ul>\n<\/div>\n<div class=\"fr\" style=\"width:250px; \">\n <img loading=\"lazy\" decoding=\"async\" src=\"\/upload\/2017\/08\/20170817_graf_05.gif\" alt=\"20170817_graf_05\" width=\"240\" height=\"283\" class=\"aligncenter size-full wp-image-6737\"><\/div>\n<\/div>\n<p>\u4e3a\u8fdb\u884c\u53d8\u538b\u5668\u8bbe\u8ba1\uff0c\u5fc5\u987b\u63a8\u5bfc\u51fa\u6765\u7684\u53c2\u6570\u6709\uff1a\u201c\u94c1\u82af\u5c3a\u5bf8\u201d\u3001\u201cLp\u7535\u611f\u503c\u201d\u3001\u201cNp\/Ns\/Nd\u7684\u531d\u6570\u201d\u3002<\/p>\n<p>\u53e6\u5916\uff0c\u8d4b\u4e88T1\u7684\u6761\u4ef6\u4e3a\uff1a\u8f93\u51fa24V1A\uff0cVIN(DC)\uff1d300V\uff5e900V\u3002<\/p>\n<p><a href=\"\/upload\/2017\/07\/20170711_graf_03b.jpg\" target=\"_blank\" rel=\"noopener noreferrer\">\u7535\u8def\u56fe<\/a>\u8bf7\u968f\u65f6\u53c2\u8003\u4e0a\u4e00\u7bc7\u6587\u7ae0\u7ed9\u51fa\u7684\u7535\u8def\u56fe\u3002<\/p>\n<p><strong>\u2460\u53cd\u6fc0\u5f0f\u7535\u538bVOR\u7684\u8bbe\u5b9a<\/strong><\/p>\n<p>\u53cd\u6fc0\u5f0f\u7535\u538bVOR\u662fVO\uff08\u4e8c\u6b21\u4fa7Vout\u52a0\u4e0a\u4e8c\u6b21\u4fa7\u4e8c\u6781\u7ba1DN1\u7684VF\uff09\u4e58\u4ee5\u53d8\u538b\u5668\u7684\u531d\u6bd4Np\uff1aNs\u5f97\u5230\u7684\u503c\u3002\u786e\u5b9aVOR\u540e\uff0c\u6c42\u531d\u6bd4Np\uff1aNs\u548c\u5360\u7a7a\u6bd4\u3002\u57fa\u672c\u516c\u5f0f\u548c\u793a\u4f8b\u5982\u4e0b\u3002\uff08\u7535\u8def\u56fe\u4e2d\u7f3a\u5c11DN1\u7684\u63cf\u8ff0\uff0c\u5b9e\u9645\u4e0a\u5728T1\u7684\u4e8c\u6b21\u4fa7\u8fde\u63a5\u76842\u4e2a\u4e8c\u6781\u7ba1\u5c31\u662fDN1\uff09<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/upload\/2017\/08\/20170817_graf_06.gif\" alt=\"20170817_graf_06\" width=\"699\" height=\"284\" class=\"aligncenter size-full wp-image-6738\"><\/p>\n<p>\u8bbe\u7f6eVOR\u503c\u65f6\uff0c\u8bf7\u8003\u8651\u5230MOSFET\u7684\u635f\u8017\u7b49\uff0c\u4f7fDuty\u8fbe\u52300.5\u4ee5\u4e0b\u3002\u56fe\u4e2d\u662fMOSFET\u7684Vds\u6ce2\u5f62\u3002<\/p>\n<p><strong>\u2461\u4e00\u6b21\u4fa7\u7ed5\u7ec4\u7535\u611f\u503cLp\u3001\u4e00\u6b21\u4fa7\u7684\u6700\u5927\u7535\u6d41Ippk\u7684\u8ba1\u7b97<\/strong><\/p>\n<div class=\"fBox\" style=\"padding-left: 0px; 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