{"id":28327,"date":"2025-10-20T09:02:11","date_gmt":"2025-10-20T01:02:11","guid":{"rendered":"https:\/\/techclass.rohm.com.cn\/?p=28327"},"modified":"2025-11-14T14:41:35","modified_gmt":"2025-11-14T06:41:35","slug":"%e7%ba%bf%e6%80%a7%e7%a8%b3%e5%8e%8b%e5%99%a8%e7%9a%84%e7%83%ad%e4%bb%bf%e7%9c%9f%e7%94%b5%e8%b7%af%e4%b8%8e%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/techclass.rohm.com.cn\/knowledge\/simulation-guide\/16146","title":{"rendered":"\u7ebf\u6027\u7a33\u538b\u5668\u7684\u70ed\u4eff\u771f\u7535\u8def\u4e0e\u65b9\u6cd5"},"content":{"rendered":"<div class=\"wysiwyg\">\n<p>&nbsp;<\/p>\n<div class=\"toc\">\n<ul class=\"toc-list\">\n<li><a href=\"#toc1\"><span class=\"contentstable-number\">1<\/span> \u7ebf\u6027\u7a33\u538b\u5668\u7684\u70ed\u4eff\u771f\u7535\u8def\u4e0e\u65b9\u6cd5<\/a><\/li>\n<li><a href=\"#toc2\"><span class=\"contentstable-number\">2<\/span> \u70ed\u4eff\u771f\u7535\u8def\u4e00\u89c8\u8868<\/a><\/li>\n<li><a href=\"#toc4\"><span class=\"contentstable-number\">3<\/span> \u4eff\u771f\u65b9\u6cd5<\/a><\/li>\n<\/ul>\n<div class=\"toc-nav\">\n<div class=\"\"><a href=\"\/knowledge\/simulation-guide\/16146\">\u3010\u4e0a\u4e00\u7bc7\u3011\u7ebf\u6027\u7a33\u538b\u5668\u7684\u70ed\u4eff\u771f<\/a><\/div>\n<div class=\"\"><a href=\"\/knowledge\/simulation-guide\/16149\">\u3010\u4e0b\u4e00\u7bc7\u3011\u53c2\u6570\u8bbe\u7f6e\u4e0e\u70ed\u4eff\u771f\u6a21\u578b<\/a><\/div>\n<\/div>\n<\/div>\n<p>&nbsp;<\/p>\n<h2 id=\"toc1\">\u7ebf\u6027\u7a33\u538b\u5668\u7684\u70ed\u4eff\u771f\u7535\u8def\u4e0e\u65b9\u6cd5<\/h2>\n<p>\u4e0b\u9762\u4ecb\u7ecd\u7b2c\u4e00\u9879\u5185\u5bb9\u201c\u7ebf\u6027\u7a33\u538b\u5668\u7684\u70ed\u4eff\u771f\u7535\u8def\u4e0e\u65b9\u6cd5\u201d\u3002<\/p>\n<ul class=\"nml_li\">\n<li><strong>\u7ebf\u6027\u7a33\u538b\u5668\u7684\u70ed\u4eff\u771f\u7535\u8def\u4e0e\u65b9\u6cd5<\/strong><\/li>\n<li><a href=\"\/knowledge\/simulation-guide\/16149\">\u53c2\u6570\u8bbe\u7f6e\u4e0e\u70ed\u4eff\u771f\u6a21\u578b<\/a><\/li>\n<li><a href=\"\/knowledge\/simulation-guide\/16150\">\u70ed\u4eff\u771f\u6a21\u578b\u7684\u7535\u8def\u677f\u6761\u4ef6<\/a><\/li>\n<\/ul>\n<p>\u53e6\u5916\uff0c\u672c\u6587\u7684\u6570\u636e\u6765\u6e90\u2014\u2014\u300a\u7ebf\u6027\u7a33\u538b\u5668BD4xxMx\u7cfb\u5217\u7684\u70ed\u4eff\u771f\u7528\u6237\u6307\u5357\u300b\u53ef\u4ece\u4ee5\u4e0b\u94fe\u63a5\u4e0b\u8f7d\uff1a<br \/>\n<a href=\"https:\/\/rohmfs-rohm-com-cn.oss-cn-shanghai.aliyuncs.com\/en\/products\/databook\/applinote\/ic\/power\/linear_regulator\/bd4xxmx_thermal_simulation_ug-e.pdf\" target=\"_blank\" rel=\"noopener\">https:\/\/rohmfs-rohm-com-cn.oss-cn-shanghai.aliyuncs.com\/en\/products\/databook\/applinote\/ic\/power\/linear_regulator\/bd4xxmx_thermal_simulation_ug-e.pdf<\/a><\/p>\n<h2 id=\"toc2\">\u70ed\u4eff\u771f\u7535\u8def\u4e00\u89c8\u8868<\/h2>\n<p>\u9996\u5148\uff0c\u4e0b\u9762\u5217\u51fa\u4e86\u76ee\u524d\u53ef\u7528\u7684\u7ebf\u6027\u7a33\u538b\u5668Solution Circuit\u7684\u70ed\u4eff\u771f\u7535\u8def\u4e00\u89c8\u8868\u3002\u5176\u4e2d\u5305\u62ec3.3V\/5.0V\u8f93\u51fa\u7535\u538b\u3001200mA\/500mA\u8f93\u51fa\u7535\u6d41\u7684\u4e0d\u540c\u89c4\u683c\u3002<\/p>\n<div class=\"tbl_wrapa\">\n<table class=\"tbl_nml\">\n<caption>BD4xxMx\u7cfb\u5217 \u70ed\u4eff\u771f\u5217\u8868<\/caption>\n<tbody>\n<tr>\n<th>\u4ea7\u54c1\u540d\u79f0<\/th>\n<th>\u8f93\u51fa\u7535\u538b<\/th>\n<th>\u8f93\u51fa\u7535\u6d41<\/th>\n<th>\u5c01\u88c5\u540d<\/th>\n<th>\u4eff\u771f\u7535\u8def<\/th>\n<\/tr>\n<tr>\n<td>BD433M2EFJ-C<\/td>\n<td>3.3V<\/td>\n<td>200mA<\/td>\n<td>HTSOP-J8<\/td>\n<td><a href=\"https:\/\/www.rohm.com.cn\/solution-simulator\/thermal_simulation-bd433m2efj\">BD433M2EFJ-C_\u70ed\u4eff\u771f<\/a><\/td>\n<\/tr>\n<tr>\n<td>BD450M2EFJ-C<\/td>\n<td>5.0V<\/td>\n<td>200mA<\/td>\n<td>HTSOP-J8<\/td>\n<td><a href=\"https:\/\/www.rohm.com.cn\/solution-simulator\/thermal_simulation-bd450m2efj\">BD450M2EFJ-C_\u70ed\u4eff\u771f<\/a><\/td>\n<\/tr>\n<tr>\n<td>BD433M5FP-C<\/td>\n<td>3.3V<\/td>\n<td>500mA<\/td>\n<td>TO252-3<\/td>\n<td><a href=\"https:\/\/www.rohm.com.cn\/solution-simulator\/thermal_simulation-bd433m5fp\">BD433M5FP-C_\u70ed\u4eff\u771f<\/a><\/td>\n<\/tr>\n<tr>\n<td>BD450M5FP-C<\/td>\n<td>5.0V<\/td>\n<td>500mA<\/td>\n<td>TO252-3<\/td>\n<td><a href=\"https:\/\/www.rohm.com.cn\/solution-simulator\/thermal_simulation-bd450m5fp\">BD450M5FP-C_\u70ed\u4eff\u771f<\/a><\/td>\n<\/tr>\n<tr>\n<td>BD433M5FP2-C<\/td>\n<td>3.3V<\/td>\n<td>500mA<\/td>\n<td>TO263-3<\/td>\n<td><a href=\"https:\/\/www.rohm.com.cn\/solution-simulator\/thermal_simulation-bd433m5fp2\">BD433M5FP2-C_\u70ed\u4eff\u771f<\/a><\/td>\n<\/tr>\n<tr>\n<td>BD450M5FP2-C<\/td>\n<td>5.0V<\/td>\n<td>500mA<\/td>\n<td>TO263-3<\/td>\n<td><a href=\"https:\/\/www.rohm.com.cn\/solution-simulator\/thermal_simulation-bd450m5fp2\">BD450M2FP2-C_\u70ed\u4eff\u771f<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\u5176\u7279\u70b9\u662f\u8f93\u5165\u7535\u538b\u8303\u56f4\u5bbd\u8fbe3V\uff5e42V\uff0c\u5de5\u4f5c\u6e29\u5ea6\u8303\u56f4\u5bbd\u8fbe-40\u2103\uff5e+150\u2103\uff0c\u4e14\u7b26\u5408\u8f66\u8f7d\u5e94\u7528\u6807\u51c6\uff0c\u53ef\u76f4\u63a5\u8fde\u63a5\u8f66\u8f7d\u7535\u6c60\u4f7f\u7528\u3002\u5176\u8f93\u51fa\u7535\u538b\u7cbe\u5ea6\u8fbe\u00b12%\uff0c\u6697\u7535\u6d41\u4f4e\u81f338\u03bcA\uff5e40\u03bcA\uff08Typ.\uff09\uff0c\u662f\u9ad8\u6027\u80fd\u4ea7\u54c1\u3002\u53e6\u5916\uff0c\u6240\u9700\u7684\u5916\u7f6e\u5143\u4ef6\u4ec5\u8f93\u5165\u7535\u5bb9\uff080.1\u03bcF\u4ee5\u4e0a\u3000Typ.\uff09\u548c\u8f93\u51fa\u7535\u5bb9\uff0810\u03bcF\u4ee5\u4e0a Typ.\uff092\u4e2a\u3002<\/p>\n<h3 id=\"toc3\">\u4eff\u771f\u7535\u8def\u56fe\u793a\u4f8b<\/h3>\n<p class=\"txt-al-center\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/techclass.rohm.com.cn\/wp-content\/uploads\/2025\/10\/SIM_RSS_1-1-f01.png\" alt=\"ROHM Solution Simulator\uff08RSS\uff09\u3092\u4f7f\u3063\u305f\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u3002\u30ea\u30cb\u30a2\u30ec\u30ae\u30e5\u30ec\u30fc\u30bf\u306e\u71b1\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\uff1a\u4eff\u771f\u7535\u8def\uff08BD433M2EFJ-C\uff09\" width=\"564\" height=\"315\" \/>\u4eff\u771f\u7535\u8def(BD433M2EFJ-C)<\/p>\n<p>\u4e0a\u56fe\u4e2d\u7eff\u8272\u6846\u6240\u5305\u56f4\u7684\u533a\u57df\u8868\u793a\u70ed\u4eff\u771f\u7535\u8def\uff0c\u5176\u4f59\u90e8\u5206\u5219\u4e3a\u7535\u6c14\u4eff\u771f\u7535\u8def\u3002\u70ed\u4eff\u771f\u7535\u8def\u901a\u8fc7\u5c06\u7535\u6c14\u4eff\u771f\u8ba1\u7b97\u5f97\u51fa\u7684\u5668\u4ef6\u635f\u8017\u548c\u642d\u8f7d\u5728\u7535\u8def\u677f\u4e0a\u7684\u7ebf\u6027\u7a33\u538b\u5668\u8fdb\u884c\u70ed\u4eff\u771f\u5efa\u6a21\uff0c\u4ece\u800c\u8ba1\u7b97\u51fa\u7ebf\u6027\u7a33\u538b\u5668\u7684\u6e29\u5ea6\u3002\u53f3\u4e0a\u65b9\u7684\u84dd\u8272\u66f2\u7ebf\u8868\u793a\u7ebf\u6027\u7a33\u538b\u5668\u7684\u7ed3\u6e29\uff08Tj\uff09\u3002\u542f\u52a8\u540e\uff0c\u7ed3\u6e29\u968f\u65f6\u95f4\u9010\u6e10\u4e0a\u5347\uff0c\u7ea6600\u79d2\u540e\u8d8b\u4e8e\u7a33\u5b9a\uff0c\u4fdd\u6301\u572866\u2103\u5de6\u53f3\u3002<\/p>\n<h2 id=\"toc4\">\u4eff\u771f\u65b9\u6cd5<\/h2>\n<p class=\"txt-al-center\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/techclass.rohm.com.cn\/wp-content\/uploads\/2025\/10\/SIM_RSS_1-1-f02.png\" alt=\"ROHM Solution Simulator\uff08RSS\uff09\u3092\u4f7f\u3063\u305f\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u3002\u30ea\u30cb\u30a2\u30ec\u30ae\u30e5\u30ec\u30fc\u30bf\u306e\u71b1\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\uff1aSimulation Settings\u3068\u5b9f\u884c\" width=\"268\" height=\"178\" \/>Simulation Settings\u4e0e\u6267\u884c<\/p>\n<p>\u6267\u884c\u70ed\u4eff\u771f\u65f6\uff0c\u4ec5\u9700\u70b9\u51fb\u4e0a\u56fe\u4e2d\u7eff\u8272\u7684Run\uff08\u8fd0\u884c\uff09\u6309\u94ae<span class=\"green_btn\">&#x25b6;<\/span>\u5373\u53ef\u5f00\u59cb\u3002\u70b9\u51fb\u9f7f\u8f6e\u56fe\u6807\u5373\u53ef\u8bbe\u7f6e\u4eff\u771f\u6761\u4ef6\u3002\u521d\u59cb\u72b6\u6001\u4e0b\uff0c\u7cfb\u7edf\u5df2\u9884\u8bbe\u6761\u4ef6\u5e76\u663e\u793a\u4eff\u771f\u7ed3\u679c\u3002\u4fee\u6539\u4eff\u771f\u6761\u4ef6\u540e\u6267\u884c\u70ed\u4eff\u771f\uff0c\u6e29\u5ea6\u66f2\u7ebf\u56fe\u7b49\u5c06\u968f\u4e4b\u66f4\u65b0\u3002<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"&nbsp; 1 \u7ebf\u6027\u7a33\u538b\u5668\u7684\u70ed\u4eff\u771f\u7535\u8def\u4e0e\u65b9\u6cd5 2 \u70ed\u4eff\u771f\u7535\u8def\u4e00\u89c8\u8868 3 \u4eff\u771f\u65b9\u6cd5 \u3010\u4e0a\u4e00\u7bc7\u3011\u7ebf\u6027\u7a33\u538b\u5668\u7684\u70ed\u4eff [&hellip;]","protected":false},"author":4,"featured_media":28328,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[2704],"tags":[2581,2582,28,2699,32,2700,834,2701,1175,2702,1206,2703,1506,1946,2186,2187,2464,2577,2578,2579,2580],"acf":[],"wps_subtitle":"","_links":{"self":[{"href":"https:\/\/techclass.rohm.com.cn\/wp-json\/wp\/v2\/posts\/28327"}],"collection":[{"href":"https:\/\/techclass.rohm.com.cn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/techclass.rohm.com.cn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/techclass.rohm.com.cn\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/techclass.rohm.com.cn\/wp-json\/wp\/v2\/comments?post=28327"}],"version-history":[{"count":10,"href":"https:\/\/techclass.rohm.com.cn\/wp-json\/wp\/v2\/posts\/28327\/revisions"}],"predecessor-version":[{"id":28501,"href":"https:\/\/techclass.rohm.com.cn\/wp-json\/wp\/v2\/posts\/28327\/revisions\/28501"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/techclass.rohm.com.cn\/wp-json\/wp\/v2\/media\/28328"}],"wp:attachment":[{"href":"https:\/\/techclass.rohm.com.cn\/wp-json\/wp\/v2\/media?parent=28327"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/techclass.rohm.com.cn\/wp-json\/wp\/v2\/categories?post=28327"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/techclass.rohm.com.cn\/wp-json\/wp\/v2\/tags?post=28327"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}