{"id":4539,"date":"2017-06-08T00:00:35","date_gmt":"2017-06-07T15:00:35","guid":{"rendered":"http:\/\/micro.rohm.com\/cn\/techweb\/?p=4539"},"modified":"2022-03-31T16:57:20","modified_gmt":"2022-03-31T08:57:20","slug":"%e6%89%80%e8%b0%93mosfet%ef%bc%8d%e5%af%84%e7%94%9f%e7%94%b5%e5%ae%b9%e5%8f%8a%e5%85%b6%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\/4873","title":{"rendered":"\u6240\u8c13MOSFET\uff0d\u5bc4\u751f\u7535\u5bb9\u53ca\u5176\u6e29\u5ea6\u7279\u6027"},"content":{"rendered":"

\u7ee7\u524d\u7bc7\u7684Si\u6676\u4f53\u7ba1\u7684\u5206\u7c7b\u4e0e\u7279\u5f81\u3001\u57fa\u672c\u7279\u6027\u4e4b\u540e\uff0c\u672c\u7bc7\u5c31\u4f5c\u4e3a\u529f\u7387\u5f00\u5173\u88ab\u5e7f\u4e3a\u5e94\u7528\u7684Si-MOSFET\u7684\u7279\u6027\u4f5c\u8865\u5145\u8bf4\u660e\u3002<\/p>\n

MOSFET\u7684\u5bc4\u751f\u7535\u5bb9<\/strong><\/p>\n

MOSFET\u5728\u7ed3\u6784\u4e0a\u5b58\u5728\u4e0b\u56fe\u6240\u793a\u7684\u5bc4\u751f\u7535\u5bb9\u3002\u4e0b\u56fe\u4e3aN-ch MOSFET\u7684\u4f8b\u5b50\uff0c\u4e0eP-ch\u7684\u601d\u8def\u76f8\u540c\u3002\u8fd9\u91cc\u8c08\u7684\u5904\u7406\u5927\u529f\u7387\u7684\u529f\u7387MOSFET\uff0c\u9700\u8981\u7406\u89e3\u4e3a\u9650\u5236\u4f7f\u7528\u9891\u7387\u548c\u5f00\u5173\u901f\u5ea6\u7684\u53c2\u6570\u3002<\/p>\n

MOSFET\u7684\u6805\u6781\u3001\u6f0f\u6781\u53ca\u6e90\u6781\u901a\u8fc7\u6805\u6781\u6c27\u5316\u819c\u88ab\u7edd\u7f18\u3002\u53e6\u5916\uff0c\u6f0f\u6781\uff0d\u6e90\u6781\u95f4\u501f\u52a9\u886c\u5e95\uff08Body\/PCB\u677f\uff09\u5f62\u6210PN\u7ed3\uff0c\u5b58\u5728\u5bc4\u751f\uff08Body\uff09\u4e8c\u6781\u7ba1\u3002<\/p>\n

\u4e0b\u56fe\u7684\u6805\u6781-\u6e90\u6781\u95f4\u7535\u5bb9Cgs\u53ca\u6805\u6781\uff0d\u6f0f\u6781\u95f4\u7535\u5bb9Cgd\u53d6\u51b3\u4e8e\u6805\u6781\u6c27\u5316\u819c\u7684\u9759\u7535\u7535\u5bb9\u3002\u53e6\u5916\uff0c\u6f0f\u6781\uff0d\u6e90\u6781\u95f4\u7535\u5bb9Cds\u662f\u5bc4\u751f\u4e8c\u6781\u7ba1\u7684\u7ed3\u7535\u5bb9\u3002<\/p>\n

\"si_2-2_capf\"<\/p>\n

\u4e00\u822cMOSFET\u7684\u6280\u672f\u89c4\u683c\u4e2d\u4e0e\u8fd9\u4e9b\u5bc4\u751f\u7535\u5bb9\u76f8\u5173\u7684\u53c2\u6570\u4e3a\u8868\u4e2d\u7684Ciss\u3001Coss\u3001Crss\u4e09\u9879\u3002\u5728\u6309\u9759\u6001\u7279\u6027\u4e0e\u52a8\u6001\u7279\u6027\u5206\u522b\u8bb0\u8ff0\u7684\u6280\u672f\u89c4\u683c\u4e2d\uff0c\u662f\u88ab\u5206\u5230\u52a8\u6001\u7279\u6027\u4e2d\u7684\u3002\u8fd9\u4e9b\u662f\u5f71\u54cd\u5f00\u5173\u7279\u6027\u7684\u91cd\u8981\u53c2\u6570\u3002<\/p>\n

Ciss\u662f\u8f93\u5165\u7535\u5bb9\uff0c\u662f\u6805\u6781-\u6e90\u6781\u95f4\u7535\u5bb9Cgs\u4e0e\u6805\u6781\uff0d\u6f0f\u6781\u95f4\u7535\u5bb9Cgd\u76f8\u52a0\u7684\u7535\u5bb9\uff0c\u662f\u4ece\u8f93\u5165\u7aef\u770b\u7684MOSFET\u6574\u4f53\u7684\u7535\u5bb9\u3002\u8981\u4f7fMOSFET\u5de5\u4f5c\uff0c\u9700\u8981\u9a71\u52a8\uff08\u5145\u7535\uff09\u8be5\u7535\u5bb9\uff0c\u56e0\u6b64\u662f\u63a2\u8ba8\u8f93\u5165\u5143\u4ef6\u7684\u9a71\u52a8\u80fd\u529b\u6216\u635f\u8017\u65f6\u7684\u53c2\u6570\u3002Qg\u662f\u9a71\u52a8\uff08\u5145\u7535\uff09Ciss\u6240\u9700\u7684\u7535\u8377\u91cf\u3002<\/p>\n

Coss\u662f\u8f93\u51fa\u7535\u5bb9\uff0c\u662f\u6f0f\u6781\uff0d\u6e90\u6781\u95f4\u7535\u5bb9Cds\u4e0e\u6805\u6781-\u6f0f\u6781\u95f4\u7535\u5bb9Cgs\u76f8\u52a0\u7684\u7535\u5bb9\uff0c\u662f\u8f93\u51fa\u7aef\u7684\u6574\u4f53\u7535\u5bb9\u3002\u5f53Coss\u8f83\u5927\u65f6\uff0c\u5373\u4f7f\u5173\u65ad\u6805\u6781\uff0c\u8f93\u51fa\u7aef\u4e5f\u4f1a\u6709Coss\u5f15\u8d77\u7684\u7535\u6d41\uff0c\u76f4\u5230\u8f93\u51fa\u5b8c\u5168\u5173\u65ad\u662f\u9700\u8981\u65f6\u95f4\u7684\u3002<\/p>\n

Crss\u662f\u6805\u6781\uff0d\u6f0f\u6781\u95f4\u7535\u5bb9Cgd\u672c\u8eab\uff0c\u88ab\u79f0\u4e3a\u201c\u53cd\u9988\u7535\u5bb9\u201d\u6216\u201c\u53cd\u5411\u4f20\u8f93\u7535\u5bb9\u201d\u3002\u5f53Crss\u8f83\u5927\u65f6\uff0c\u5373\u4f7f\u6805\u6781\u5bfc\u901a\uff0c\u6f0f\u6781\u7535\u6d41\u4e0a\u5347\u6162\uff0c\u5173\u65ad\u65f6\u4e0b\u964d\u53d8\u6162\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u8fd9\u662f\u5bf9\u5f00\u5173\u901f\u5ea6\u5f71\u54cd\u8f83\u5927\u7684\u53c2\u6570\u3002Qgd\u662f\u9a71\u52a8\uff08\u5145\u7535\uff09Crss\u6240\u9700\u7684\u7535\u8377\u91cf\u3002<\/p>\n

\u53e6\u5916\uff0c\u8fd9\u4e9b\u7535\u5bb9\u5bf9\u6f0f\u6781\uff0d\u6e90\u6781\u95f4\u7535\u538bVDS\u5177\u6709\u4f9d\u8d56\u6027\u3002\u5982\u56fe\u6240\u793a\uff0c\u5f53VDS\u589e\u52a0\u65f6\uff0c\u7535\u5bb9\u503c\u5177\u6709\u53d8\u5c0f\u503e\u5411\u3002<\/p>\n

MOSFET\u5bc4\u751f\u7535\u5bb9\u7684\u6e29\u5ea6\u7279\u6027<\/strong><\/p>\n

Ciss\u3001Coss\u3001Crss\u5bf9\u4e8e\u6e29\u5ea6\u5f71\u54cd\u51e0\u4e4e\u6ca1\u6709\u53d8\u5316\u3002\u56e0\u6b64\uff0c\u53ef\u4ee5\u8bf4\u5f00\u5173\u7279\u6027\u51e0\u4e4e\u4e0d\u53d7\u6e29\u5ea6\u53d8\u5316\u7684\u5f71\u54cd\u3002\u4e0b\u9762\u662f\u5b9e\u6d4b\u4f8b\u3002<\/p>\n

\"si_2-2_cap-temp\"<\/p>\n

\u672c\u7bc7\u4ecb\u7ecd\u4e86MOSFET\u7684\u52a8\u6001\u7279\u6027\u4e4b\u4e00\u5bc4\u751f\u7535\u5bb9\u3002\u4e0b\u4e00\u7bc7\u8ba1\u5212\u4ecb\u7ecd\u6709\u5173\u5f00\u5173\u7684\u5185\u5bb9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u7ee7\u524d\u7bc7\u7684Si\u6676\u4f53\u7ba1\u7684\u5206\u7c7b\u4e0e\u7279\u5f81\u3001\u57fa\u672c\u7279\u6027\u4e4b\u540e\uff0c\u672c\u7bc7\u5c31\u4f5c\u4e3a\u529f\u7387\u5f00\u5173\u88ab\u5e7f\u4e3a\u5e94\u7528\u7684Si-MOSFET\u7684\u7279\u6027\u4f5c\u8865\u5145\u8bf4\u660e\u3002 MOSFET\u7684\u5bc4\u751f\u7535\u5bb9 MOSFET\u5728\u7ed3\u6784\u4e0a\u5b58\u5728\u4e0b\u56fe\u6240\u793a\u7684\u5bc4\u751f\u7535\u5bb9\u3002\u4e0b\u56fe\u4e3aN-ch MOSFET\u7684\u4f8b\u5b50\uff0c\u4e0e […]","protected":false},"author":1,"featured_media":18406,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[265],"tags":[175,181,318,319,320,321,322,323,324,325,326],"class_list":["post-4539","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-03-s-si","tag-mosfet","tag-181","tag-ciss","tag-coss","tag-crss","tag-322","tag-323","tag-324","tag-325","tag-326"],"acf":[],"wps_subtitle":"","_links":{"self":[{"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/posts\/4539","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=4539"}],"version-history":[{"count":8,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/posts\/4539\/revisions"}],"predecessor-version":[{"id":11664,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/posts\/4539\/revisions\/11664"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/media\/18406"}],"wp:attachment":[{"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/media?parent=4539"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/categories?post=4539"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/tags?post=4539"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}