{"id":4670,"date":"2017-08-10T10:00:23","date_gmt":"2017-08-10T01:00:23","guid":{"rendered":"http:\/\/micro.rohm.com\/cn\/techweb\/?p=4670"},"modified":"2022-03-11T16:17:41","modified_gmt":"2022-03-11T08:17:41","slug":"%e6%89%80%e8%b0%93mosfet%ef%bc%8d%e9%98%88%e5%80%bc%e3%80%81id-vgs%e7%89%b9%e6%80%a7%e5%8f%8a%e6%b8%a9%e5%ba%a6%e7%89%b9%e6%80%a7","status":"publish","type":"post","link":"https:\/\/techclass.wfjydl.com\/knowledge\/si\/s-si\/03-s-si\/5277","title":{"rendered":"\u6240\u8c13MOSFET\uff0d\u9608\u503c\u3001ID-VGS\u7279\u6027\u53ca\u6e29\u5ea6\u7279\u6027"},"content":{"rendered":"

\u7ee7\u4e0a\u4e00\u7bc7MOSFET\u7684\u5f00\u5173\u7279\u6027\u4e4b\u540e\uff0c\u672c\u7bc7\u4ecb\u7ecdMOSFET\u7684\u91cd\u8981\u7279\u6027–\u6805\u6781\u9608\u503c\u7535\u538b\u3001ID<\/sub>-VGS<\/sub>\u7279\u6027\u3001\u4ee5\u53ca\u5404\u81ea\u7684\u6e29\u5ea6\u7279\u6027\u3002<\/p>\n

MOSFET\u7684VGS(th)<\/sub>\uff1a\u6805\u6781\u9608\u503c\u7535\u538b<\/strong><\/p>\n

MOSFET\u7684VGS(th)<\/sub>\uff1a\u6805\u6781\u9608\u503c\u7535\u538b\u662f\u4e3a\u4f7fMOSFET\u5bfc\u901a\uff0c\u6805\u6781\u4e0e\u6e90\u6781\u95f4\u5fc5\u9700\u7684\u7535\u538b\u3002\u4e5f\u5c31\u662f\u8bf4\uff0cVGS<\/sub>\u5982\u679c\u662f\u9608\u503c\u4ee5\u4e0a\u7684\u7535\u538b\uff0c\u5219MOSFET\u5bfc\u901a\u3002<\/p>\n

\u53ef\u80fd\u6709\u4eba\u95ee\uff0c\u8fd9\u79cd\u201cMOSFET\u5bfc\u901a\u201d\u7684\u72b6\u6001\uff0c\u5230\u5e95\u662f\u201c\u7535\u6d41ID<\/sub>\u662f\u591a\u5c11\u7684\u72b6\u6001\u5462\uff1f\u201d\u3002\u7684\u786e\uff0cID<\/sub>\u968fVGS<\/sub>\u800c\u53d8\u5316\u3002\u4eceVGS(th)<\/sub>\u7684\u89c4\u683c\u503c\u7684\u89d2\u5ea6\u770b\uff0c\u53ea\u8981\u6761\u4ef6\u6ca1\u6709\u786e\u5b9a\uff0c\u5c31\u65e0\u6cd5\u4fdd\u8bc1VGS(th)<\/sub>\u7684\u503c\uff0c\u56e0\u6b64\u5728MOSFET\u7684\u6280\u672f\u89c4\u683c\u4e2d\u89c4\u5b9a\u4e86\u6761\u4ef6\u3002\u8fd9\u4e2a\u8868\u662f\u4eceN-ch 600V 4A\u7684\u529f\u7387MOSFET\uff1aR6004KNX<\/a>\u7684\u6280\u672f\u89c4\u683c\u4e2d\u6458\u5f55\u7684\u3002<\/p>\n

\"Si_2-4_spec\"<\/p>\n

\u84dd\u7ebf\u6846\u8d77\u6765\u7684\u662fVGS(th)<\/sub>\uff0c\u6761\u4ef6\u680f\u4e2dVDS<\/sub>=10V\u3001ID<\/sub>=1mA\uff0c\u8be5\u6761\u4ef6\u4e0b\u4fdd\u8bc1VGS(th)<\/sub>\u6700\u5c0f3V\u3001\u6700\u59275V\uff08Ta=25\u2103\uff09\u3002<\/p>\n

\u4e5f\u5c31\u662f\u4f7fVGS<\/sub>\u4e0d\u65ad\u4e0a\u5347\uff0c\u5219MOSFET\u5f00\u59cb\u5bfc\u901a\uff08ID<\/sub>\u6d41\u51fa\uff09\uff0cID<\/sub>\u4e3a1mA\u65f6VGS<\/sub>\u4e3a3V\u4ee5\u4e0a5V\u4ee5\u4e0b\u7684\u67d0\u4e2a\u503c\uff0c\u8be5\u503c\u5c31\u662fVGS(th)<\/sub>\u3002\u8868\u8fbe\u7684\u65b9\u6cd5\u6709\u5f88\u591a\uff0c\u53ef\u4ee5\u5c06VDS<\/sub>=10V\u3001ID<\/sub>=1mA\u65f6\u5b9a\u4e49\u4e3aMOSFET\u7684\u5bfc\u901a\u72b6\u6001\uff0c\u5c06\u6b64\u65f6\u7684VGS<\/sub>\u4f5c\u4e3aVGS(th)<\/sub>\uff0c\u503c\u57283V\uff5e5V\u4e4b\u95f4\u3002<\/p>\n

\u987a\u4fbf\u63d0\u4e00\u4e0b\uff0c\u4e0d\u4ec5\u5c40\u9650\u4e8eMOSFET\uff0c\u76f8\u5bf9\u4e8e\u8f93\u5165\uff0c\u8f93\u51fa\u548c\u529f\u80fd\u7684\u5bfc\u901a\/\u5173\u65ad\u7b49\u67d0\u79cd\u72b6\u6001\u6539\u53d8\u7684\u7535\u538b\u548c\u7535\u6d41\u7684\u503c\u79f0\u4e3a\u201c\u9608\u503c\u201d\u3002<\/p>\n

\n
\n\t\tVGS(th)<\/sub>\u3001ID<\/sub>-VGS<\/sub>\u4e0e\u6e29\u5ea6\u7279\u6027<\/strong><\/p>\n

\u9996\u5148\u4ece\u8868\u793aID<\/sub>-VGS<\/sub>\u7279\u6027\u7684\u56fe\u8868\u4e2d\uff0c\u8bfb\u53d6\u8fd9\u4e2aMOSFET\u7684VGS(th)<\/sub>\u3002VDS<\/sub>=10V\u7684\u6761\u4ef6\u662f\u4e00\u81f4\u7684\u3002ID<\/sub>\u4e3a1mA\u65f6\u7684VGS<\/sub>\u4e3aVGS(th)<\/sub>\uff0c\u56e0\u6b64Ta=25\u2103\u7684\u66f2\u7ebf\u4e0e1mA\uff080.001A\uff09\u7684\u7ebf\u4ea4\u754c\u5904\u7684VGS<\/sub>\u7ea63.8V\u3002\u6280\u672f\u89c4\u683c\u4e2d\u867d\u672a\u7ed9\u51fa\u4ee3\u8868\u503c\uff08Typ\uff09\uff0c\u4f46\u4ece\u56fe\u8868\u4e2d\u53ef\u4ee5\u770b\u51fa\uff0cVGS(th)<\/sub>\u7684Typ\u503c\u4e3a3.8V\u5de6\u53f3\u3002\u56fe\u8868\u7684\u503c\u57fa\u672c\u4e0a\u53ef\u7406\u89e3\u4e3aTyp\u503c\u3002<\/p>\n

\u7136\u540e\u662fID<\/sub>-VGS<\/sub>\u7279\u6027\uff0c\u4f5c\u4e3aVGS(th)<\/sub>\u7684\u89c4\u683c\u503c\uff0cID<\/sub>=1mA\u5373\u53ef\uff0c\u4f46\u5b9e\u9645\u4f7f\u7528\u65f6\uff0c\u6ca1\u6709\u4f7f\u75284A\u7684MOSFET\u3001ID<\/sub>\u4e3a1mA\u7684\u4f7f\u7528\u65b9\u6cd5\u3002\u4f8b\u5982Ta=25\u2103\uff0c\u9700\u89811A\u7684ID<\/sub>\u65f6\uff0c\u4ece\u8fd9\u5f20\u56fe\u8868\u4e2d\u53ef\u4ee5\u770b\u51fa\uff0c\u6240\u9700\u7684VGS<\/sub>\u4e3a5.3V\u5de6\u53f3\u3002<\/p>\n<\/p><\/div>\n

\n\t\t\"Si_2-4_idvgs\"\n\t<\/div>\n<\/div>\n

\u7531\u56fe\u53ef\u77e5\uff0cID<\/sub>-VGS<\/sub>\u7684\u6e29\u5ea6\u7279\u6027\u662f\u968f\u7740\u6e29\u5ea6\u5347\u9ad8\uff0cVGS<\/sub>\u6052\u5b9a\u7684\u8bdd\uff0cID<\/sub>\u5448\u5897\u52a0\u8d8b\u52bf\u3002\u4ee5\u524d\u9762\u7684Ta=25\u2103\u3001ID<\/sub>=1A\u7684\u6761\u4ef6\u4e3a\u4f8b\uff0cTa=75\u2103\u65f6ID<\/sub>\u7ea61.5A\u5de6\u53f3\uff0c\u6709\u4e9b\u4f7f\u7528\u6761\u4ef6\u4e0b\u9700\u8981\u6ce8\u610f\u3002<\/p>\n

\n
\n

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\n\t\t\"Si_2-4_gvthjt\"\n\t<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"\u7ee7\u4e0a\u4e00\u7bc7MOSFET\u7684\u5f00\u5173\u7279\u6027\u4e4b\u540e\uff0c\u672c\u7bc7\u4ecb\u7ecdMOSFET\u7684\u91cd\u8981\u7279\u6027–\u6805\u6781\u9608\u503c\u7535\u538b\u3001ID-VGS\u7279\u6027\u3001\u4ee5\u53ca\u5404\u81ea\u7684\u6e29\u5ea6\u7279\u6027\u3002 MOSFET\u7684VGS(th)\uff1a\u6805\u6781\u9608\u503c\u7535\u538b MOSFET\u7684VGS(th)\uff1a\u6805\u6781\u9608\u503c\u7535\u538b […]","protected":false},"author":1,"featured_media":18402,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[265],"tags":[175,389,390,391,392,393],"class_list":["post-4670","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-03-s-si","tag-mosfet","tag-id","tag-id-vgs","tag-vgs","tag-vgsth","tag-393"],"acf":[],"wps_subtitle":"","_links":{"self":[{"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/posts\/4670","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/comments?post=4670"}],"version-history":[{"count":12,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/posts\/4670\/revisions"}],"predecessor-version":[{"id":18404,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/posts\/4670\/revisions\/18404"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/media\/18402"}],"wp:attachment":[{"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/media?parent=4670"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/categories?post=4670"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/tags?post=4670"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}