{"id":5873,"date":"2018-09-20T00:00:58","date_gmt":"2018-09-19T15:00:58","guid":{"rendered":"http:\/\/micro.wfjydl.com\/techweb\/?p=5873"},"modified":"2022-09-19T14:01:05","modified_gmt":"2022-09-19T06:01:05","slug":"%e7%94%b5%e6%84%9f%e7%9a%84%e9%85%8d%e7%bd%ae","status":"publish","type":"post","link":"https:\/\/techclass.wfjydl.com\/knowledge\/dcdc\/dcdc_pwm\/dcdc_pwm03\/3254","title":{"rendered":"\u7535\u611f\u7684\u914d\u7f6e"},"content":{"rendered":"<p>\u4e0a\u4e00\u7bc7\u6587\u7ae0\u4ee5\u201c\u6563\u70ed\u5b54\u7684\u914d\u7f6e\u201d\u4e3a\u4e3b\u9898\uff0c\u5bf9\u5229\u7528\u4e86PCB\u677f\u548c\u7ed3\u6784\u7684\u6563\u70ed\u65b9\u5f0f\u8fdb\u884c\u4e86\u4ecb\u7ecd\u3002\u672c\u6587\u5c06\u56de\u5f52\u90e8\u4ef6\u76f8\u5173\u7684\u8bdd\u9898\uff0c\u4ecb\u7ecd\u201c\u7535\u611f\u7684\u914d\u7f6e\u201d\u3002<\/p>\n<div class=\"fBox line-list\">\r\n\t<div class=\"fl\">\r\n\t\t<ul class=\"line-none\">\r\n\t\t\t<li><a 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href=\"https:\/\/techclass.wfjydl.com\/knowledge\/dcdc\/dcdc_pwm\/dcdc_pwm03\/4378\" target=\"_blank\">\u8f93\u51fa\u7535\u5bb9\u5668\u7684\u914d\u7f6e <\/a><\/li>\r\n\t\t\t<li><a href=\"https:\/\/techclass.wfjydl.com\/knowledge\/dcdc\/dcdc_pwm\/dcdc_pwm03\/4682\" target=\"_blank\">\u53cd\u9988\u8def\u5f84\u7684\u5e03\u7ebf<\/a><\/li>\r\n\t\t\t<li><a href=\"https:\/\/techclass.wfjydl.com\/knowledge\/dcdc\/dcdc_pwm\/dcdc_pwm03\/4838\" target=\"_blank\">\u63a5\u5730<\/a><\/li>\r\n\t\t\t<li><a href=\"https:\/\/techclass.wfjydl.com\/knowledge\/dcdc\/dcdc_pwm\/dcdc_pwm03\/5048\" target=\"_blank\">\u94dc\u7b94\u7684\u7535\u963b\u548c\u7535\u611f<\/a><\/li>\r\n\t\t\t<!-- <li><a href=\"https:\/\/techclass.wfjydl.com\/knowledge\/dcdc\/dcdc_pwm\/dcdc_pwm03\/5348\" target=\"_blank\">?<\/a><\/li>-->\r\n\t\t\t<li><a href=\"https:\/\/techclass.wfjydl.com\/knowledge\/dcdc\/dcdc_pwm\/dcdc_pwm03\/5670\" 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src=\"\/upload\/2016\/05\/tw_0510_01.gif\" alt=\"Figure 6-a.\" width=\"700\" height=\"231\"><\/p>\n<p>\u5177\u4f53\u7684\u5e03\u7ebf\u5bbd\u5ea6\u53ef\u53c2\u8003\u7535\u6d41\u8010\u53d7\u7279\u6027\u6765\u51b3\u5b9a\u3002Figure 5\u4e3a\u6d41\u8fc7\u67d0\u7535\u6d41\u65f6\u7684\u5bfc\u4f53\u5bbd\u5ea6\u548c\u81ea\u53d1\u70ed\u5bfc\u81f4\u7684\u6e29\u5347\u56fe\u8868\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u5f532A\u7684\u7535\u6d41\u6d41\u8fc7\u5bfc\u4f53\u539a\u5ea635\u00b5m\u7684\u5e03\u7ebf\u65f6\uff0c\u4e3a\u6291\u523620\u2103\u7684\u6e29\u5ea6\u4e0a\u5347\uff0c0.53mm\u7684\u5bfc\u4f53\u5bbd\u5ea6\u5373\u53ef\u5bf9\u5e94\u3002\u4f46\u662f\uff0c\u7531\u4e8e\u5e03\u7ebf\u53d7\u5916\u56f4\u5143\u5668\u4ef6\u53d1\u70ed\u548c\u73af\u5883\u6e29\u5ea6\u7684\u5f71\u54cd\uff0c\u56e0\u6b64\uff0c\u9700\u8981\u5177\u5907\u5145\u5206\u7684\u4f59\u91cf\u3002\u4f8b\u5982\uff0c\u5efa\u8bae1\u76ce\u53f8\uff081OZ\uff09\uff0835\u00b5m\uff09PCB\u677f\u4e2d\u6bcf1A\u5bfc\u4f53\u5bbd\u5ea61mm\u4ee5\u4e0a\u30012\u76ce\u53f8\uff0870\u00b5m\uff09PCB\u677f\u4e2d\u6bcf1A\u5bfc\u4f53\u5bbd\u5ea60.7mm\u4ee5\u4e0a\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/upload\/2016\/05\/tw_0510_02.gif\" alt=\"Figure 5.\" width=\"700\" 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6-c\uff09\u3002\u8fd9\u6b63\u5982\u524d\u9762\u63d0\u5230\u7684\uff0c\u78c1\u529b\u7ebf\u7a7f\u8fc7\u5bfc\u4f53GND\u5c42\u5e76\u4ea7\u751f\u7535\u6da1\u6d41\uff0c\u4ece\u800c\u53d7\u78c1\u529b\u7ebf\u6d88\u9664\u7684\u5f71\u54cd\uff0c\u4f7f\u7535\u611f\u503c\u4e0b\u964d\u6216Q\u503c\u4e0b\u964d\uff08\u635f\u8017\u589e\u52a0\uff09\u3002<\/p>\n<p>\u975eGND\u7684\u4fe1\u53f7\u7ebf\u4e5f\u6709\u56e0\u7535\u6da1\u6d41\u4f7f\u5f00\u5173\u566a\u58f0\u4f20\u9012\u7ed9\u4fe1\u53f7\u7684\u53ef\u80fd\u6027\uff0c\u56e0\u6b64\u5e94\u907f\u514d\u7535\u611f\u6b63\u4e0b\u65b9\u7684\u5e03\u7ebf\u3002\u4e0d\u5f97\u4e0d\u5e03\u4fe1\u53f7\u7ebf\u65f6\uff0c\u8bf7\u4f7f\u7528\u6f0f\u78c1\u8f83\u5c11\u7684\u95ed\u78c1\u8def\u7535\u611f\u3002\u4f46\u662f\uff0c\u5fc5\u987b\u5b9e\u9645\u6d4b\u8bd5\u5e76\u786e\u8ba4\u662f\u5426\u6709\u95ee\u9898\u3002<\/p>\n<p>\u53e6\u5916\uff0c\u8fd8\u9700\u8981\u6ce8\u610f\u7535\u611f\u5f15\u811a\u5e03\u7ebf\u95f4\u7684\u7a7a\u95f4\u3002\u5982Figure 6-d\u6240\u793a\uff0c\u5f53\u5f15\u811a\u95f4\u7684\u8ddd\u79bb\u8fd1\u65f6\uff0c\u5f00\u5173\u8282\u70b9\u7684\u9ad8\u9891\u4fe1\u53f7\u7ecf\u7531\u6742\u6563\u7535\u5bb9\uff0c\u7535\u5bb9\u91cf\u88ab\u8bf1\u5bfc\u81f3\u8f93\u51fa\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/upload\/2016\/05\/tw_0510_03.gif\" alt=\"Figure 6-c.\" width=\"700\" 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