{"id":12494,"date":"2021-09-08T22:08:00","date_gmt":"2021-09-08T14:08:00","guid":{"rendered":"http:\/\/222.73.203.234:9999\/?p=12494"},"modified":"2025-07-11T15:12:02","modified_gmt":"2025-07-11T07:12:02","slug":"%e7%83%ad%e9%98%bb%e6%95%b0%e6%8d%ae%ef%bc%9a%e5%ae%9e%e9%99%85%e7%9a%84%e6%95%b0%e6%8d%ae%e7%a4%ba%e4%be%8b-2","status":"publish","type":"post","link":"https:\/\/techclass.wfjydl.com\/knowledge\/thermal-design\/s-thermal-design\/01-s-thermal-design\/9635","title":{"rendered":"\u70ed\u963b\u6570\u636e\uff1a\u5b9e\u9645\u7684\u6570\u636e\u793a\u4f8b"},"content":{"rendered":"<p><a href=\"\/knowledge\/thermal-design\/s-thermal-design\/01-s-thermal-design\/9617\">\u4e0a\u4e00\u7bc7\u6587\u7ae0<\/a>\u4e2d\u4ecb\u7ecd\u4e86\u4e0e\u70ed\u963b\u6570\u636e\u76f8\u5173\u7684JEDEC\u6807\u51c6\u548c\u6d4b\u8bd5\u73af\u5883\u7b49\u5185\u5bb9\u3002\u672c\u6587\u5c06\u4f1a\u7ed9\u51fa\u5b9e\u9645\u7684\u70ed\u963b\u6570\u636e\u793a\u4f8b\u3002<br \/>\n<strong>\u5b9e\u9645\u7684\u70ed\u963b\u6570\u636e\u793a\u4f8b<\/strong><br \/>\n\u901a\u5e38\u5728IC\u7684\u6280\u672f\u89c4\u683c\u4e66\u4e2d\u90fd\u4f1a\u63d0\u4f9bIC\u70ed\u963b\u76f8\u5173\u7684\u4fe1\u606f\u3002\u4f46\u662f\uff0c\u6240\u63d0\u4f9b\u7684\u70ed\u963b\u7c7b\u578b\u548c\u8bbe\u7f6e\u53ef\u80fd\u4f1a\u56e0IC\u7684\u79cd\u7c7b\uff08\u4f8b\u5982\u7528\u4e8e\u4fe1\u53f7\u5904\u7406\u7684\u4f4e\u529f\u8017\u8fd0\u7b97\u653e\u5927\u5668\u3001\u7528\u4e8e\u4f9b\u7535\u7684\u70ed\u8bbe\u8ba1\u5f88\u91cd\u8981\u7684\u7a33\u538b\u5668\u7b49\uff09\u4e0d\u540c\u800c\u7565\u6709\u4e0d\u540c\u3002\u53e6\u5916\uff0c\u4e5f\u4f1a\u56e0IC\u5236\u9020\u5546\u800c\u5f02\u3002<br \/>\n\u4e0b\u9762\u662f500mA\u8f93\u51faLDO\u7ebf\u6027\u7a33\u538b\u5668\u7684\u6280\u672f\u89c4\u683c\u4e66\u4e2d\u63d0\u4f9b\u7684\u70ed\u963b\u4fe1\u606f\u793a\u4f8b\u3002<\/p>\n<p style=\"text-align: center;\"><img decoding=\"async\" src=\"https:\/\/techclass.wfjydl.com\/upload\/2021\/09\/TD1-7_f1.png\" alt=\"BD18353EFV-M\uff0fBD18353MUF-M\u306e\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u304b\u3089\u629c\u7c8b\u3057\u305f\u5b9f\u969b\u306e\u71b1\u62b5\u6297\u30c7\u30fc\u30bf\" \/><\/p>\n<p>\u8fd9\u6b3eIC\u6709\u4e24\u79cd\u5c01\u88c5\uff0c\u56e0\u6b64\u63d0\u4f9b\u4e86\u6bcf\u79cd\u5c01\u88c5\uff08TO263-5\u3001TO252-J5\uff09\u7684\u70ed\u963b\u3002\u987a\u4fbf\u63d0\u4e00\u4e0b\uff0c\u8fd9\u4e24\u79cd\u5c01\u88c5\u90fd\u662f\u5e26\u6563\u70ed\u7247\u7684\u7535\u6e90\u7cfb\u7edf5\u5f15\u811a\u8868\u8d34\u578b\u5c01\u88c5\u3002<br \/>\n\u4e0b\u9762\u6765\u770b\u4e00\u4e0b\u5177\u4f53\u5185\u5bb9\u3002\u5982Note 1\u6240\u793a\uff0c\u8be5\u70ed\u963b\u6570\u636e\u7b26\u5408\u524d\u6587\u6240\u8ff0\u7684 JESD51-2A\uff08Still-Air\uff09\u6807\u51c6\uff08\u7ea2\u6846\u90e8\u5206\uff09\u3002<br \/>\n\u63d0\u4f9b\u7684\u70ed\u963b\u4e3a\u4ee5\u4e0b\u4e24\u79cd\uff1a<br \/>\n\u30fbJunction to Ambient\uff1a\u03b8<sub>JA<\/sub>\uff08\u2103\/W\uff09<br \/>\n\u30fbJunction to Top Characterization Parameter\uff1a\u03a8<sub>JT<\/sub>\uff08\u2103\/W\uff09<br \/>\n\u6b64\u5916\uff0c\u8fd8\u7ed9\u51fa\u4e86\u6bcf\u79cd\u70ed\u963b\u5728\u4e24\u79cd\u7535\u8def\u677f\u6761\u4ef6\u4e0b\u7684\u503c\uff0c\u4e00\u79cd\u662f\u5b89\u88c5\u4e8e1\u5c42\u7535\u8def\u677f\u4e0a\uff0c\u53e6\u4e00\u79cd\u662f\u5b89\u88c5\u4e8e4\u5c42\u7535\u8def\u677f\u4e0a\u30021\u5c42\u7535\u8def\u677f\u5982Note 3\u6240\u793a\u662f\u7b26\u5408JESD51-3\u7684\u7535\u8def\u677f\uff0c4\u5c42\u7535\u8def\u677f\u662f\u7b26\u5408JESD51-5\u548c7\u7684\u7535\u8def\u677f\uff08Note 4\uff09\u3002\u8868\u4e2d\u5217\u51fa\u4e86\u6bcf\u79cd\u7535\u8def\u677f\u7684\u6761\u4ef6\u3002<br \/>\n<strong>\u70ed\u963b\u4e0e\u5b9e\u88c5\u7535\u8def\u677f\u4e4b\u95f4\u7684\u5173\u7cfb<\/strong><br \/>\n\u5728\u4e0a\u4f8b\u4e2d\uff0c\u4f5c\u4e3a\u70ed\u963b\u6761\u4ef6\uff0c\u660e\u786e\u5217\u51fa\u4e86JESD51\u4e2d\u89c4\u5b9a\u7684\u5b9e\u88c5\u7535\u8def\u677f\u7684\u6761\u4ef6\u3002\u8fd9\u610f\u5473\u7740\u70ed\u963b\u4e0d\u4ec5\u4ec5\u7531IC\u5c01\u88c5\u51b3\u5b9a\uff0c\u5f88\u5927\u7a0b\u5ea6\u4e0a\u8fd8\u53d7\u5230\u5176\u5b9e\u88c5\u7535\u8def\u677f\u6761\u4ef6\u7684\u5f71\u54cd\u3002\u8fd1\u5e74\u6765\uff0c\u8868\u8d34\u578b\u5c01\u88c5\u7684\u5e94\u7528\u975e\u5e38\u5e7f\u6cdb\uff0c\u5728\u8003\u8651IC\u7684\u70ed\u963b\u65f6\uff0c\u5fc5\u987b\u8981\u8003\u8651\u5230\u5b9e\u88c5\u7535\u8def\u677f\u7684\u6563\u70ed\uff08\u964d\u4f4e\u70ed\u963b\uff09\u60c5\u51b5\u3002\u4ec5\u6839\u636e\u5c01\u88c5\u7684\u70ed\u963b\u8fdb\u884c\u70ed\u8ba1\u7b97\u662f\u4e0d\u73b0\u5b9e\u7684\u3002<\/p>\n<div class=\"fbox\">\n<div style=\"width: 240px;\">\n\u8be5\u56fe\u663e\u793a\u4e86\u6bcf\u79cd\u70ed\u963b\uff08\u03b8<sub>JA<\/sub>\u3001\u03a8<sub>JT<\/sub>\uff09\u4e0e\u6563\u70ed\u7528\u7684\u94dc\u7b94\u9762\u79ef\u4e4b\u95f4\u7684\u5173\u7cfb\u3002\u8fd9\u662f\u7528\u4e8e\u6d4b\u8bd5\u7684\u5c01\u88c5\u4e3a\u80cc\u9762\u5e26\u6563\u70ed\u7247\u76848\u5f15\u811aSOP\u578b\u5c01\u88c5\u3001\u94dc\u7b94\u9762\u79ef\u4e3a15.7mm<sup>2<\/sup>\u52301200mm<sup>2<\/sup>\u6761\u4ef6\u4e0b\u7684\u6570\u636e\u3002\u5176\u4ed6\u56e0\u7d20\u8fd8\u5305\u62ec\u7535\u8def\u677f\u5c42\u6570\u3001\u6750\u6599\u548c\u94dc\u7b94\u539a\u5ea6\u7b49\uff0c\u4e0d\u8fc7\u5728\u8fd9\u4e2a\u5173\u7cfb\u793a\u610f\u56fe\u4e2d\uff0c\u8bf7\u5c06\u8fd9\u4e9b\u56e0\u7d20\u89c6\u4e3a\u6761\u4ef6\u76f8\u540c\uff0c\u5728\u6b64\u524d\u63d0\u4e0b\u6765\u770b\u94dc\u7b94\u9762\u79ef\u4e0e\u70ed\u963b\u4e4b\u95f4\u7684\u5173\u7cfb\u3002\n<\/div>\n<div class=\"c-pl20\" style=\"width: 380px;\">\n<img decoding=\"async\" src=\"https:\/\/techclass.wfjydl.com\/upload\/2021\/09\/TD1-7_f2.png\" alt=\"IC\u5b9f\u88c5\u57fa\u677f\u9285\u7b94\u9762\u7a4d\u3068\u71b1\u62b5\u6297\u306e\u95a2\u4fc2\u3092\u793a\u3059\u30b0\u30e9\u30d5\" \/>\n<\/div>\n<\/div>\n<p>\u5728\u672c\u4f8b\u4e2d\uff0c\u4eceIC\u7684\u7ed3\u70b9\uff08\u82af\u7247\uff09\u7ecf\u7531\u5b9e\u88c5\u7535\u8def\u677f\u5230\u73af\u5883\uff08\u5927\u6c14\uff09\u7684\u70ed\u963b\u03b8<sub>JA<\/sub>\u548c\u94dc\u7b94\u9762\u79ef\u7684\u5173\u7cfb\u975e\u5e38\u663e\u8457\u3002\u5b9e\u9645\u4e0a\uff0c\u9700\u8981\u786e\u4fdd\u6563\u70ed\u6240\u9700\uff08\u5373\u9002\u5f53\u7684\u03b8<sub>JA<\/sub>\uff09\u7684\u94dc\u7b94\u9762\u79ef\uff0c\u4ee5\u514d\u5728\u4f7f\u7528\u6761\u4ef6\u4e0b\u8d85\u8fc7Tjmax\u3002<br \/>\n\u53cd\u4e4b\uff0c\u5982\u679c\u672a\u660e\u786e\u8bf4\u660e\u6240\u63d0\u4f9b\u7684\u70ed\u963b\u7684\u6761\u4ef6\uff0c\u5219\u5fc5\u987b\u8981\u786e\u8ba4\u5176\u6761\u4ef6\u3002\u4e0a\u4f8b\u4e2d\u7684\u6570\u503c\u8868\u660e\uff0c\u70ed\u963b\u4f1a\u56e0\u6761\u4ef6\u4e0d\u540c\u800c\u6709\u5f88\u5927\u4e0d\u540c\u3002<\/p>\n<div id=\"keypoint-thermal-design\" class=\"keypoint indent\">\n<h4>\u5173\u952e\u8981\u70b9:<\/h4>\n<p>\u30fbIC\u7684\u6280\u672f\u89c4\u683c\u4e66\u7b49\u8d44\u6599\u4e2d\u901a\u5e38\u4f1a\u63d0\u4f9b\u70ed\u963b\u6570\u636e\uff0c\u4f46\u5185\u5bb9\u53ef\u80fd\u4f1a\u56e0IC\u7684\u7c7b\u578b\u548c\u5236\u9020\u5546\u800c\u5f02\u3002<br \/>\n\u30fb\u70ed\u963b\u56e0\u5b9e\u88c5\u7535\u8def\u677f\u7684\u6761\u4ef6\u4e0d\u540c\u800c\u6709\u5f88\u5927\u5dee\u5f02\uff0c\u56e0\u6b64\u5fc5\u987b\u786e\u8ba4\u6d4b\u8bd5\u6761\u4ef6\u3002\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"\u4e0a\u4e00\u7bc7\u6587\u7ae0\u4e2d\u4ecb\u7ecd\u4e86\u4e0e\u70ed\u963b\u6570\u636e\u76f8\u5173\u7684JEDEC\u6807\u51c6\u548c\u6d4b\u8bd5\u73af\u5883\u7b49\u5185\u5bb9\u3002\u672c\u6587\u5c06\u4f1a\u7ed9\u51fa\u5b9e\u9645\u7684\u70ed\u963b\u6570\u636e\u793a\u4f8b\u3002 \u5b9e\u9645\u7684\u70ed\u963b\u6570\u636e\u793a\u4f8b \u901a\u5e38\u5728IC\u7684\u6280\u672f\u89c4\u683c\u4e66\u4e2d\u90fd\u4f1a\u63d0\u4f9bIC\u70ed\u963b\u76f8\u5173\u7684\u4fe1\u606f\u3002\u4f46\u662f\uff0c\u6240\u63d0\u4f9b\u7684\u70ed\u963b\u7c7b\u578b\u548c\u8bbe\u7f6e\u53ef\u80fd\u4f1a\u56e0IC\u7684\u79cd\u7c7b\uff08 [&hellip;]","protected":false},"author":7,"featured_media":16013,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1194],"tags":[1209,2627,1538,1535,1533,1530,1272,1244,1243,339,1208,1207,1205,1082,715,533,341],"class_list":["post-12494","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-01-s-thermal-design","tag-1209","tag-dc-dc","tag-1538","tag-1535","tag-jedec","tag-jedec-jesd51","tag-1272","tag-1244","tag-1243","tag-tjmax","tag-1208","tag-1207","tag-1205","tag-1082","tag-715","tag-533","tag-341"],"acf":[],"wps_subtitle":"","_links":{"self":[{"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/posts\/12494","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\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/comments?post=12494"}],"version-history":[{"count":1,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/posts\/12494\/revisions"}],"predecessor-version":[{"id":16014,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/posts\/12494\/revisions\/16014"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/media\/16013"}],"wp:attachment":[{"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/media?parent=12494"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/categories?post=12494"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/tags?post=12494"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}