{"id":27432,"date":"2025-04-20T09:01:24","date_gmt":"2025-04-20T01:01:24","guid":{"rendered":"https:\/\/techclass.wfjydl.com\/?p=27432"},"modified":"2025-11-13T16:50:25","modified_gmt":"2025-11-13T08:50:25","slug":"%e7%ba%bf%e6%80%a7%e7%a8%b3%e5%8e%8b%e5%99%a8ic%e7%9a%84%e7%94%b5%e6%ba%90%e7%94%b5%e8%b7%af%e7%a4%ba%e4%be%8b","status":"publish","type":"post","link":"https:\/\/techclass.wfjydl.com\/knowledge\/dcdc\/18599","title":{"rendered":"\u7ebf\u6027\u7a33\u538b\u5668IC\u7684\u7535\u6e90\u7535\u8def\u793a\u4f8b"},"content":{"rendered":"\\(\\)\n<h2 id=\"toc1\">\u7ebf\u6027\u7a33\u538b\u5668IC\u7684\u793a\u4f8b<\/h2>\n<p>\u672c\u6587\u8bb2\u89e3\u4e2d\u4f7f\u7528\u7684\u7ebf\u6027\u7a33\u538b\u5668IC\u662f\u8f93\u51fa\u7535\u6d41\u4e3a1.0A\u7684\u201cBDxxIC0\u7cfb\u5217\u201d\uff0c\u662f\u4ea7\u54c1\u9635\u5bb9\u5e7f\u6cdb\u7684\u7ebf\u6027\u7a33\u538b\u5668IC\u5bb6\u65cf\u4e2d\u7684\u4e00\u4e2a\u7cfb\u5217\u3002BDxxIC0\u7cfb\u5217\u5206\u4e3a\u53ef\u53d8\u8f93\u51fa\u578b\u548c\u56fa\u5b9a\u8f93\u51fa\u578b\uff0c\u6bcf\u79cd\u7c7b\u578b\u90fd\u6709\u4e24\u79cd\u5c01\u88c5\u3002HTSOP-J8\u5c01\u88c5\u63d0\u4f9b\u6d88\u8d39\u7535\u5b50\u3001\u5de5\u4e1a\u548c\u8f66\u8f7d\u4e09\u79cd\u7b49\u7ea7\u3002\u578b\u53f7\u540d\u79f0\u4e2d\u7684\u201cxx\u201d\u4e3a\u201c00\u201d\u65f6\u8868\u793a\u53ef\u53d8\u8f93\u51fa\u578b\uff0c\u56fa\u5b9a\u8f93\u51fa\u578b\u5219\u7528\u4e24\u4f4d\u6570\u7684\u4ee3\u7801\u8868\u793a\u8bbe\u5b9a\u7684\u8f93\u51fa\u7535\u538b\u3002\u5982\u9700\u4e86\u89e3\u66f4\u591a\u4fe1\u606f\uff0c\u8bf7\u70b9\u51fb\u578b\u53f7\u94fe\u63a5\u67e5\u9605\u4ea7\u54c1\u89c4\u683c\u4e66\u3002\u672c\u6587\u4e3b\u8981\u4ee5\u6d88\u8d39\u7535\u5b50\u7ea7\u53ef\u53d8\u8f93\u51fa\u578b\u548c\u56fa\u5b9a\u8f93\u51fa\u578b\u4e3a\u4f8b\u8fdb\u884c\u4ecb\u7ecd\u3002<\/p>\n<div class=\"tbl_wrap\">\n<table class=\"tbl_nml\">\n<tbody>\n<tr>\n<td>\u5c01\u88c5<\/td>\n<td>\u53ef\u53d8\u8f93\u51fa\u578b<\/td>\n<td>\u56fa\u5b9a\u8f93\u51fa\u578b<\/td>\n<\/tr>\n<tr>\n<td>HTSOP-J8<br \/>\n<img decoding=\"async\" class=\"small_size\" src=\"https:\/\/techweb.rohm.co.jp\/wp-content\/uploads\/2024\/12\/d13-2-01.webp\" alt=\"HTSOP-J8\" \/><\/td>\n<td class=\"base\" style=\"text-align: left;\"><a href=\"https:\/\/www.wfjydl.com\/products\/power-management\/linear-regulators\/single-output-ldo-regulators\/bd00ic0wefj-product\" target=\"_blank\" rel=\"noopener\">BD00IC0WEFJ<\/a>\uff08\u6d88\u8d39\u7535\u5b50\uff09<br \/>\nBD00IC0MEFJ-LB\uff08\u5de5\u4e1a\uff09<br \/>\n<a href=\"https:\/\/www.wfjydl.com\/products\/power-management\/linear-regulators\/single-output-ldo-regulators\/bd00ic0mefj-m-product\" target=\"_blank\" rel=\"noopener\">BD00IC0MEFJ-M<\/a>\uff08\u8f66\u8f7d\uff09<\/td>\n<td class=\"base\" style=\"text-align: left;\"><a href=\"https:\/\/www.wfjydl.com\/products\/power-management\/linear-regulators\/single-output-ldo-regulators\/bd00ic0wefj-product\" target=\"_blank\" rel=\"noopener\">BDxxIC0WEFJ<\/a>\uff08\u6d88\u8d39\u7535\u5b50\uff09<br \/>\nBDxxIC0MEFJ-LB\uff08\u5de5\u4e1a\uff09<br \/>\n<a href=\"https:\/\/www.wfjydl.com\/products\/power-management\/linear-regulators\/single-output-ldo-regulators\/bd00ic0mefj-m-product\" target=\"_blank\" rel=\"noopener\">BDxxIC0MEFJ-M<\/a>\uff08\u8f66\u8f7d\uff09<\/td>\n<\/tr>\n<tr>\n<td>HVSOF6<br \/>\n<img decoding=\"async\" class=\"small_size\" src=\"https:\/\/techweb.rohm.co.jp\/wp-content\/uploads\/2024\/12\/d13-2-01-2.webp\" alt=\"HVSOF6\" \/><\/td>\n<td class=\"base\" style=\"text-align: left;\"><a href=\"https:\/\/www.wfjydl.com\/products\/power-management\/linear-regulators\/single-output-ldo-regulators\/bd00ic0wefj-product\" target=\"_blank\" rel=\"noopener\">BD00IC0WHFV<\/a>\uff08\u6d88\u8d39\u7535\u5b50\uff09<\/td>\n<td class=\"base\" style=\"text-align: left;\"><a href=\"https:\/\/www.wfjydl.com\/products\/power-management\/linear-regulators\/single-output-ldo-regulators\/bd00ic0wefj-product\" target=\"_blank\" rel=\"noopener\">BDxxIC0WHFV<\/a>\uff08\u6d88\u8d39\u7535\u5b50\uff09<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\u25a0\u6846\u56fe<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2025\/04\/d13-2-02.png\" \/><\/p>\n<p>\u25a0\u57fa\u672c\u5e94\u7528\u7535\u8def<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2025\/04\/d13-2-03.png\" \/><\/p>\n<p>BDxxIC0\u7cfb\u5217\u5177\u6709\u5f88\u9ad8\u7684\u901a\u7528\u6027\uff0c\u5982\u4e0a\u8ff0\u7684\u57fa\u672c\u5e94\u7528\u7535\u8def\u6240\u793a\uff0c\u901a\u5e38\u7531\u8f93\u5165\u3001\u8f93\u51fa\u3001FB\/VO_S\uff08\u53ef\u53d8\u578b\/\u56fa\u5b9a\u578b\uff09\u3001EN\uff08\u8f93\u51fa\u5f00\/\u5173\u5207\u6362\uff09\u5f15\u811a\u7ec4\u6210\u3002\uff08\u203bFIN\u8868\u793a\u5e95\u90e8\u88f8\u9732\u710a\u76d8\uff09<\/p>\n<p>LDO\uff08\u4f4e\u9971\u548c\u578b\uff09\u4f7f\u7528Pch\u7684MOSFET\u4f5c\u4e3a\u8f93\u51fa\u7ea7\u6676\u4f53\u7ba1\uff0c\u8f93\u51fa\u7535\u6d41\u4e3a1A\uff0c\u57fa\u51c6\u7535\u538b\uff08\u53ef\u53d8\u578b\uff09\u548c\u8f93\u51fa\u7535\u538b\uff08\u56fa\u5b9a\u578b\uff09\u7684\u7cbe\u5ea6\u9ad8\u8fbe\u00b11%\u3002\u53ef\u53d8\u8f93\u51fa\u578b\u53ef\u901a\u8fc7\u5916\u63a5\u7535\u963b\u5668R1\u548cR2\u8bbe\u5b9a0.8V\uff5e4.5V\u4e4b\u95f4\u7684\u4efb\u610f\u8f93\u51fa\u7535\u538b\uff0c\u56fa\u5b9a\u8f93\u51fa\u578b\u5219\u63d0\u4f9b\u4e861.0V\uff5e3.3V\u76849\u79cd\u7535\u538b\u9009\u62e9\u3002<\/p>\n<p>\u8be5\u7cfb\u5217\u5185\u7f6e\u6709\u9632\u6b62IC\u635f\u574f\u7684\u8fc7\u6d41\u4fdd\u62a4\u7535\u8def\u548c\u6e29\u5ea6\u4fdd\u62a4\u7535\u8def\uff0c\u5e76\u914d\u5907\u4e86\u63a7\u5236\u8f93\u51fa\u5f00\/\u5173\u7684EN\u5f15\u811a\u3002\u8f93\u51fa\u7535\u5bb9\u53ef\u4ee5\u4f7f\u7528\u9676\u74f7\u7535\u5bb9\u3002<\/p>\n<p>\u4ee5\u4e0b\u662fBDxxIC0\u7cfb\u5217\u7684\u7279\u70b9\uff1a<\/p>\n<table class=\"tbl_simple\">\n<tbody>\n<tr>\n<td width=\"395\">\n<ul class=\"nml_li\">\n<li>\u8f93\u5165\u7535\u6e90\u7535\u538b\u8303\u56f4\uff1a2.4V\uff5e5.5V<\/li>\n<li>\u6700\u5927\u8f93\u51fa\u7535\u6d41\uff1a1.0A\uff08Max.\uff09<\/li>\n<li>\u5185\u7f6e\u9ad8\u7cbe\u5ea6\u57fa\u51c6\u7535\u538b\u7535\u8def\uff1a\u00b11%<\/li>\n<li>\u53ef\u53d8\u578b\u8f93\u51fa\u7535\u538b\u7684\u8bbe\u5b9a\u8303\u56f4\uff1a0.8V\uff5e4.5V<\/li>\n<li>\u56fa\u5b9a\u578b\u8f93\u51fa\u7535\u538b\uff1a1.0V\/1.2V\/1.25V\/1.5V\/1.8V\/2.5V\/2.6V\/3.0V\/3.3V<br \/>\n\u203b1.25V\/2.6V\u4ec5\u9650HVSOF6\u5c01\u88c5\u7684\u4ea7\u54c1<\/li>\n<li>\u5173\u65ad\u65f6\u7535\u8def\u7535\u6d41\uff1a0\u00b5A\uff08Typ.\uff09<\/li>\n<\/ul>\n<\/td>\n<td>\n<ul class=\"nml_li\">\n<li>\u5185\u7f6e\u8fc7\u6d41\u4fdd\u62a4\u7535\u8def\uff08OCP\uff09<\/li>\n<li>\u5185\u7f6e\u6e29\u5ea6\u4fdd\u62a4\u7535\u8def\uff08TSD\uff09<\/li>\n<li>\u914d\u5907\u8f93\u51fa\u5f00\/\u5173\u5f15\u811a\uff08EN\uff09<\/li>\n<li>\u7b26\u5408\u65e0\u5364\u7d20\u6807\u51c6\uff08HVSOF6\u5c01\u88c5\uff09<\/li>\n<li>\u5de5\u4f5c\u6e29\u5ea6\u8303\u56f4\uff1a-25\uff5e+85\u2103<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<h2 id=\"toc2\">\u7ebf\u6027\u7a33\u538b\u5668IC\u7684\u5178\u578b\u5e94\u7528\u7535\u8def\u793a\u4f8b<\/h2>\n<p>\u4f7f\u7528\u4e0a\u8ff0\u7ebf\u6027\u7a33\u538b\u5668IC\u7684\u5178\u578b\u5e94\u7528\u7535\u8def\u793a\u4f8b\u5982\u4e0b\u3002<\/p>\n<h3 id=\"toc3\">\u53ef\u53d8\u8f93\u51fa\u578b<\/h3>\n<p>\u9996\u5148\u4ecb\u7ecd\u53ef\u53d8\u8f93\u51fa\u578b\u7684\u5e94\u7528\u7535\u8def\u793a\u4f8b\uff0c\u5305\u62ec\u4e24\u79cd\u5c01\u88c5\u7684\u5f15\u811a\u914d\u7f6e\u548c\u5f15\u811a\u529f\u80fd\u3002\u53ef\u53d8\u8f93\u51fa\u578b\u7684\u5916\u7f6e\u5143\u5668\u4ef6\u4e2d\uff0c\u9664\u4e86\u8f93\u5165\u7535\u5bb9\u548c\u8f93\u51fa\u7535\u5bb9\u5916\uff0c\u8fd8\u9700\u8981\u5916\u63a5\u5206\u538b\u7535\u963b\u5668\u6765\u8bbe\u7f6e\u8f93\u51fa\u7535\u538b\u3002<br \/>\n\u53e6\u5916\uff0c\u5373\u4f7f\u5c01\u88c5\u548c\u5f15\u811a\u914d\u7f6e\u4e0d\u540c\uff0c\u540c\u540d\u5f15\u811a\u7684\u529f\u80fd\u4e5f\u662f\u76f8\u540c\u7684\u3002\u4e0e\u4e0b\u8ff0\u56fa\u5b9a\u8f93\u51fa\u578b\u4e0d\u540c\u7684\u662fFB\u5f15\u811a\u3002<\/p>\n<div class=\"tbl_wrap\">\n<table class=\"tbl_nml\">\n<tbody>\n<tr>\n<th><strong>\u53ef\u53d8\u8f93\u51fa\u578bHTSOP-J8\u5c01\u88c5<\/strong><br \/>\nBD00IC0WEFJ, BD00IC0MEFJ-LB, BD00IC0MEFJ-M<\/th>\n<th><strong>\u53ef\u53d8\u8f93\u51fa\u578bHVSOF6\u5c01\u88c5<\/strong><br \/>\nBD00IC0WHFV<\/th>\n<\/tr>\n<tr>\n<td><img decoding=\"async\" src=\"https:\/\/techweb.rohm.co.jp\/wp-content\/uploads\/2024\/12\/d13-3-01.webp\" alt=\"\u30ea\u30cb\u30a2\u30ec\u30ae\u30e5\u30ec\u30fc\u30bf\u3092\u4f7f\u3063\u305f\u96fb\u6e90\u8a2d\u8a08\u306e\u30dd\u30a4\u30f3\u30c8\uff1aBDxxIC0\u30b7\u30ea\u30fc\u30ba\u53ef\u5909\u51fa\u529b\u578bHTSOP-J8\u30d1\u30c3\u30b1\u30fc\u30b8\u54c1\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u56de\u8def\u4f8b\" \/><\/td>\n<td><img decoding=\"async\" src=\"https:\/\/techweb.rohm.co.jp\/wp-content\/uploads\/2024\/12\/d13-3-02.webp\" alt=\"\u30ea\u30cb\u30a2\u30ec\u30ae\u30e5\u30ec\u30fc\u30bf\u3092\u4f7f\u3063\u305f\u96fb\u6e90\u8a2d\u8a08\u306e\u30dd\u30a4\u30f3\u30c8\uff1aBDxxIC0\u30b7\u30ea\u30fc\u30ba\u53ef\u5909\u51fa\u529b\u578bHVSOF6\u30d1\u30c3\u30b1\u30fc\u30b8\u54c1\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u56de\u8def\u4f8b\" \/><\/td>\n<\/tr>\n<tr>\n<td><img decoding=\"async\" src=\"https:\/\/techweb.rohm.co.jp\/wp-content\/uploads\/2024\/12\/d13-3-03.webp\" alt=\"\u30ea\u30cb\u30a2\u30ec\u30ae\u30e5\u30ec\u30fc\u30bf\u3092\u4f7f\u3063\u305f\u96fb\u6e90\u8a2d\u8a08\u306e\u30dd\u30a4\u30f3\u30c8\uff1aBDxxIC0\u30b7\u30ea\u30fc\u30ba\u53ef\u5909\u51fa\u529b\u578bHTSOP-J8\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u30d4\u30f3\u914d\u7f6e\" \/><\/td>\n<td><img decoding=\"async\" src=\"https:\/\/techweb.rohm.co.jp\/wp-content\/uploads\/2024\/12\/d13-3-04.webp\" alt=\"\u30ea\u30cb\u30a2\u30ec\u30ae\u30e5\u30ec\u30fc\u30bf\u3092\u4f7f\u3063\u305f\u96fb\u6e90\u8a2d\u8a08\u306e\u30dd\u30a4\u30f3\u30c8\uff1aBDxxIC0\u30b7\u30ea\u30fc\u30ba\u53ef\u5909\u51fa\u529b\u578bHVSOF6\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u30d4\u30f3\u914d\u7f6e\" \/><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<ul class=\"nml_li\">\n<li>\u203bHTSOP-J8\u5c01\u88c5\u7684\u7535\u8def\u793a\u4f8b\u4e2d\u4f7f\u7528EN\u5f15\u811a\u63a7\u5236\u8f93\u51fa\u5f00\/\u5173\uff0c\u800cHVSOF6\u5c01\u88c5\u7684\u793a\u4f8b\u4e2d\u662f\u5c06EN\u5f15\u811a\u8fde\u63a5\u5230V<sub>CC<\/sub>\u4e14\u4e0d\u4f7f\u7528\u5f00\/\u5173\u529f\u80fd\u3002\u4e24\u79cd\u5c01\u88c5\u4e2dEN\u5f15\u811a\u7684\u529f\u80fd\u662f\u76f8\u540c\u7684\u3002<\/li>\n<li>\u203b\u5f15\u811a\u914d\u7f6e\u56fe\u4e3a\u9876\u89c6\u56fe\u3002<\/li>\n<\/ul>\n<div class=\"tbl_wrap\">\n<table class=\"tbl_nml\">\n<tbody>\n<tr>\n<th>HTSOP-J8<br \/>\n\u5f15\u811a\u7f16\u53f7<\/th>\n<th>HVSOF6<br \/>\n\u5f15\u811a\u7f16\u53f7<\/th>\n<th>\u5f15\u811a\u540d\u79f0<\/th>\n<th>\u529f\u80fd<\/th>\n<\/tr>\n<tr>\n<td>1<\/td>\n<td>1<\/td>\n<td>V<sub>O<\/sub><\/td>\n<td class=\"al_left\" style=\"text-align: left;\"><strong>\u8f93\u51fa\u5f15\u811a<\/strong><br \/>\n\u7ed9\u8d1f\u8f7d\u4f9b\u7535\u3002\u9700\u5728V<sub>O<\/sub>\u548cGND\u4e4b\u95f4\u8fde\u63a5\u7535\u5bb9\u4ee5\u9632\u6b62\u632f\u8361\u3002<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>2<\/td>\n<td>FB<\/td>\n<td class=\"al_left\" style=\"text-align: left;\"><strong>\u8f93\u51fa\u7535\u538b\u8bbe\u5b9a\u5f15\u811a<\/strong><br \/>\n\u8f93\u51fa\u7535\u538b\u53cd\u9988\u5f15\u811a\u3002\u7531\u4e8e\u8be5\u5f15\u811a\u5de5\u4f5c\u7535\u538b\u4e3a0.8V\uff0c\u56e0\u6b64\u9700\u8fde\u63a5\u7535\u963b\u5206\u538b\u7535\u8def\u4ee5\u83b7\u5f97\u76f8\u5e94\u7684\u8f93\u51fa\u7535\u538b\u3002\u8f93\u51fa\u7535\u538b\u8bbe\u5b9a\u8303\u56f4\u4e3a0.8V\uff5e4.5V\u3002<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>3<\/td>\n<td>GND<\/td>\n<td class=\"al_left\" style=\"text-align: left;\"><strong>\u63a5\u5730\u5f15\u811a<\/strong><br \/>\n\u7a33\u538b\u5668\u7535\u8def\u7684\u63a5\u5730\u3002<\/td>\n<\/tr>\n<tr>\n<td>4<\/td>\n<td>\u2013<\/td>\n<td>N.C<\/td>\n<td class=\"al_left\" style=\"text-align: left;\"><strong>\u672a\u8fde\u63a5\u5f15\u811a<\/strong><br \/>\nN.C\u5f15\u811a\u672a\u8fde\u63a5\u5230\u5185\u90e8\u7535\u8def\uff0c\u800c\u662f\u8fde\u63a5\u81f3GND\u6216\u60ac\u7a7a\u3002<\/td>\n<\/tr>\n<tr>\n<td>5<\/td>\n<td>4<\/td>\n<td>EN<\/td>\n<td class=\"al_left\" style=\"text-align: left;\"><strong>\u4f7f\u80fd\u5f15\u811a<\/strong><br \/>\n\u8be5\u5f15\u811a\u4e3a\u9ad8\u7535\u5e73\u65f6\u8f93\u51fa\u5f00\u542f\uff0c\u4f4e\u7535\u5e73\u65f6\u8f93\u51fa\u5173\u95ed\u3002<\/td>\n<\/tr>\n<tr>\n<td>6, 7<\/td>\n<td>5<\/td>\n<td>N.C<\/td>\n<td class=\"al_left\" style=\"text-align: left;\"><strong>\u672a\u8fde\u63a5\u5f15\u811a<\/strong><br \/>\nN.C\u5f15\u811a\u672a\u8fde\u63a5\u5230\u5185\u90e8\u7535\u8def\uff0c\u800c\u662f\u8fde\u63a5\u81f3GND\u6216\u60ac\u7a7a\u3002<\/td>\n<\/tr>\n<tr>\n<td>8<\/td>\n<td>6<\/td>\n<td>V<sub>CC<\/sub><\/td>\n<td class=\"al_left\" style=\"text-align: left;\"><strong>\u8f93\u5165\u5f15\u811a<\/strong><br \/>\n\u7ed9IC\u8f93\u5165\u7535\u6e90\u3002\u4e3a\u4fdd\u6301\u8f93\u5165\u7684\u7a33\u5b9a\u6027\uff0c\u9700\u5728V<sub>CC<\/sub>\u548cGND\u4e4b\u95f4\u8fde\u63a5\u9676\u74f7\u7535\u5bb9\uff0c\u4e14\u7535\u5bb9\u9760\u8fd1\u5f15\u811a\u653e\u7f6e\u3002<\/td>\n<\/tr>\n<tr>\n<td>E-Pad<\/td>\n<td>E-Pad<\/td>\n<td>FIN<\/td>\n<td class=\"al_left\" style=\"text-align: left;\"><strong>\u88f8\u9732\u710a\u76d8<\/strong><br \/>\n\u5e95\u90e8\u88f8\u9732\u710a\u76d8\u901a\u8fc7\u5f15\u7ebf\u6846\u67b6\u8fde\u63a5\u5230\u82af\u7247\uff0c\u5efa\u8bae\u710a\u63a5\u5230\u94dc\u7b94\u9762\u79ef\u8f83\u5927\u7684\u63a5\u5730\u5e73\u9762\u4e0a\u4ee5\u63d0\u9ad8\u6563\u70ed\u6548\u7387\u3002\u88f8\u9732\u710a\u76d8\u901a\u8fc7\u5c01\u88c5\u5185\u7684\u57fa\u677f\u4e0eGND\u5b9e\u73b0\u7535\u6c14\u8fde\u63a5\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<\/div>\n<h3 id=\"toc4\">\u56fa\u5b9a\u8f93\u51fa\u578b<\/h3>\n<p>\u63a5\u4e0b\u6765\u4ecb\u7ecd\u56fa\u5b9a\u8f93\u51fa\u578b\u7684\u5e94\u7528\u7535\u8def\u793a\u4f8b\uff0c\u5305\u542b\u4e24\u79cd\u5c01\u88c5\u7684\u5f15\u811a\u914d\u7f6e\u53ca\u5f15\u811a\u529f\u80fd\u3002\u56fa\u5b9a\u8f93\u51fa\u578b\u4e0d\u9700\u8981\u5916\u63a5\u5206\u538b\u7535\u963b\u5668\u6765\u8bbe\u7f6e\u7535\u538b\uff0c\u6240\u9700\u7684\u5916\u7f6e\u5143\u5668\u4ef6\u4ec5\u6709\u8f93\u5165\u7535\u5bb9\u548c\u8f93\u51fa\u7535\u5bb9\u3002\u5c06\u53ef\u53d8\u8f93\u51fa\u578b\u4e2d\u7528\u4e8e\u8bbe\u5b9a\u8f93\u51fa\u7535\u538b\u7684FB\u5f15\u811a\u6539\u4e3a \\(V_{O\uff3fS}\\) \u5f15\u811a\uff0c\u7528\u4e8e\u68c0\u6d4b\u8d1f\u8f7d\u7aef\u7684\u8f93\u51fa\u7535\u538b\u3002\u8be6\u60c5\u5c06\u5728\u540e\u7eed\u7684\u201c\u5f00\u5c14\u6587\u8fde\u63a5\u201d\u4e00\u6587\u4e2d\u5355\u72ec\u8bf4\u660e\u3002\u56fa\u5b9a\u8f93\u51fa\u578b\u4e0e\u53ef\u53d8\u8f93\u51fa\u578b\u4e00\u6837\uff0c\u5373\u4f7f\u5c01\u88c5\u548c\u5f15\u811a\u914d\u7f6e\u4e0d\u540c\uff0c\u540c\u540d\u5f15\u811a\u7684\u529f\u80fd\u662f\u76f8\u540c\u7684\u3002<\/p>\n<div class=\"tbl_wrap\">\n<table class=\"tbl_nml\">\n<tbody>\n<tr>\n<th><strong>\u56fa\u5b9a\u8f93\u51fa\u578bHTSOP-J8\u5c01\u88c5<\/strong><br \/>\nBDxxIC0WEFJ, BDxxIC0MEFJ-LB, BDxxIC0MEFJ-M<\/th>\n<th><strong>\u56fa\u5b9a\u8f93\u51fa\u578bHVSOF6\u5c01\u88c5<\/strong><br \/>\nBDxxIC0WHFV<\/th>\n<\/tr>\n<tr>\n<td><img decoding=\"async\" src=\"https:\/\/techweb.rohm.co.jp\/wp-content\/uploads\/2024\/12\/d13-3-05.webp\" alt=\"\u30ea\u30cb\u30a2\u30ec\u30ae\u30e5\u30ec\u30fc\u30bf\u3092\u4f7f\u3063\u305f\u96fb\u6e90\u8a2d\u8a08\u306e\u30dd\u30a4\u30f3\u30c8\uff1aBDxxIC0\u30b7\u30ea\u30fc\u30ba\u56fa\u5b9a\u51fa\u529b\u578bHTSOP-J8\u30d1\u30c3\u30b1\u30fc\u30b8\u54c1\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u56de\u8def\u4f8b\" \/><\/td>\n<td><img decoding=\"async\" src=\"https:\/\/techweb.rohm.co.jp\/wp-content\/uploads\/2024\/12\/d13-3-06.webp\" alt=\"\u30ea\u30cb\u30a2\u30ec\u30ae\u30e5\u30ec\u30fc\u30bf\u3092\u4f7f\u3063\u305f\u96fb\u6e90\u8a2d\u8a08\u306e\u30dd\u30a4\u30f3\u30c8\uff1aBDxxIC0\u30b7\u30ea\u30fc\u30ba\u56fa\u5b9a\u51fa\u529b\u578bHVSOF6\u30d1\u30c3\u30b1\u30fc\u30b8\u54c1\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u56de\u8def\u4f8b\" \/><\/td>\n<\/tr>\n<tr>\n<td><img decoding=\"async\" src=\"https:\/\/techweb.rohm.co.jp\/wp-content\/uploads\/2024\/12\/d13-3-07.webp\" alt=\"\u30ea\u30cb\u30a2\u30ec\u30ae\u30e5\u30ec\u30fc\u30bf\u3092\u4f7f\u3063\u305f\u96fb\u6e90\u8a2d\u8a08\u306e\u30dd\u30a4\u30f3\u30c8\uff1aBDxxIC0\u30b7\u30ea\u30fc\u30ba\u56fa\u5b9a\u51fa\u529b\u578bHTSOP-J8\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u30d4\u30f3\u914d\u7f6e\" \/><\/td>\n<td><img decoding=\"async\" src=\"https:\/\/techweb.rohm.co.jp\/wp-content\/uploads\/2024\/12\/d13-3-08.webp\" alt=\"\u30ea\u30cb\u30a2\u30ec\u30ae\u30e5\u30ec\u30fc\u30bf\u3092\u4f7f\u3063\u305f\u96fb\u6e90\u8a2d\u8a08\u306e\u30dd\u30a4\u30f3\u30c8\uff1aBDxxIC0\u30b7\u30ea\u30fc\u30ba\u56fa\u5b9a\u51fa\u529b\u578bHVSOF6\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u30d4\u30f3\u914d\u7f6e\" \/><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<ul class=\"nml_li\">\n<li>\u203bHTSOP-J8\u5c01\u88c5\u7684\u7535\u8def\u793a\u4f8b\u4e2d\u4f7f\u7528EN\u5f15\u811a\u63a7\u5236\u8f93\u51fa\u5f00\/\u5173\uff0c\u800cHVSOF6\u5c01\u88c5\u7684\u793a\u4f8b\u4e2d\u662f\u5c06EN\u5f15\u811a\u8fde\u63a5\u5230\\(V_{CC}\\)\u4e14\u4e0d\u4f7f\u7528\u5f00\/\u5173\u529f\u80fd\u3002\u4e24\u79cd\u5c01\u88c5\u4e2dEN\u5f15\u811a\u7684\u529f\u80fd\u662f\u76f8\u540c\u7684\u3002<\/li>\n<li>\u203b\u5f15\u811a\u914d\u7f6e\u56fe\u4e3a\u9876\u89c6\u56fe\u3002<\/li>\n<\/ul>\n<div class=\"tbl_wrap\">\n<table class=\"tbl_nml\">\n<tbody>\n<tr>\n<th>HTSOP-J8 \u5f15\u811a\u7f16\u53f7<\/th>\n<th>HVSOF6 \u5f15\u811a\u7f16\u53f7<\/th>\n<th>\u5f15\u811a\u540d\u79f0<\/th>\n<th>\u529f\u80fd<\/th>\n<\/tr>\n<tr>\n<td>1<\/td>\n<td>1<\/td>\n<td>V<sub>O<\/sub><\/td>\n<td class=\"al_left\" style=\"text-align: left;\"><strong>\u8f93\u51fa\u5f15\u811a<\/strong><br \/>\n\u7ed9\u8d1f\u8f7d\u4f9b\u7535\u3002\u9700\u5728<span class=\"u-ff-mathjax\">V<sub>O<\/sub><\/span>\u548cGND\u4e4b\u95f4\u8fde\u63a5\u7535\u5bb9\u4ee5\u9632\u6b62\u632f\u8361\u3002<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>2<\/td>\n<td>V<sub>O_S<\/sub><\/td>\n<td class=\"al_left\" style=\"text-align: left;\"><strong>\u8f93\u51fa\u7535\u538b\u68c0\u6d4b\u5f15\u811a<\/strong><br \/>\n\u8be5\u5f15\u811a\u7528\u4e8e\u6d88\u9664\u7a33\u538b\u5668\u8f93\u51fa\u7aef\u548c\u8d1f\u8f7d\u4e4b\u95f4\u7684\u8d70\u7ebf\u7535\u963b\u9020\u6210\u7684\u7535\u538b\u964d\u3002<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>3<\/td>\n<td>GND<\/td>\n<td class=\"al_left\" style=\"text-align: left;\"><strong>\u63a5\u5730\u5f15\u811a<\/strong><br \/>\n\u7a33\u538b\u5668\u7535\u8def\u7684\u63a5\u5730\u3002<\/td>\n<\/tr>\n<tr>\n<td>4<\/td>\n<td>\u2013<\/td>\n<td>N.C<\/td>\n<td class=\"al_left\" style=\"text-align: left;\"><strong>\u672a\u8fde\u63a5\u5f15\u811a<\/strong><br \/>\nN.C\u5f15\u811a\u672a\u8fde\u63a5\u5230\u5185\u90e8\u7535\u8def\uff0c\u800c\u662f\u8fde\u63a5\u81f3GND\u6216\u60ac\u7a7a\u3002<\/td>\n<\/tr>\n<tr>\n<td>5<\/td>\n<td>4<\/td>\n<td>EN<\/td>\n<td class=\"al_left\" style=\"text-align: left;\"><strong>\u4f7f\u80fd\u5f15\u811a<\/strong><br \/>\n\u8be5\u5f15\u811a\u4e3a\u9ad8\u7535\u5e73\u65f6\u8f93\u51fa\u5f00\u542f\uff0c\u4f4e\u7535\u5e73\u65f6\u8f93\u51fa\u5173\u95ed\u3002<\/td>\n<\/tr>\n<tr>\n<td>6, 7<\/td>\n<td>5<\/td>\n<td style=\"text-align: left;\">N.C<\/td>\n<td class=\"al_left\" style=\"text-align: left;\"><strong>\u672a\u8fde\u63a5\u5f15\u811a<\/strong><br \/>\nN.C\u5f15\u811a\u672a\u8fde\u63a5\u5230\u5185\u90e8\u7535\u8def\uff0c\u800c\u662f\u8fde\u63a5\u81f3GND\u6216\u60ac\u7a7a\u3002<\/td>\n<\/tr>\n<tr>\n<td>8<\/td>\n<td>6<\/td>\n<td>V<sub>CC<\/sub><\/td>\n<td class=\"al_left\" style=\"text-align: left;\"><strong>\u8f93\u5165\u5f15\u811a<\/strong><br \/>\n\u7ed9IC\u8f93\u5165\u7535\u6e90\u3002\u4e3a\u4fdd\u6301\u8f93\u5165\u7684\u7a33\u5b9a\u6027\uff0c\u9700\u5728<span class=\"u-ff-mathjax\">V<sub>CC<\/sub><\/span>\u548cGND\u4e4b\u95f4\u8fde\u63a5\u9676\u74f7\u7535\u5bb9\uff0c\u4e14\u7535\u5bb9\u9760\u8fd1\u5f15\u811a\u653e\u7f6e\u3002<\/td>\n<\/tr>\n<tr>\n<td>E-Pad<\/td>\n<td>E-Pad<\/td>\n<td>FIN<\/td>\n<td class=\"al_left\" style=\"text-align: left;\"><strong>\u88f8\u9732\u710a\u76d8<\/strong><br \/>\n\u5e95\u90e8\u88f8\u9732\u710a\u76d8\u901a\u8fc7\u5f15\u7ebf\u6846\u67b6\u8fde\u63a5\u5230\u82af\u7247\uff0c\u5efa\u8bae\u710a\u63a5\u5230\u94dc\u7b94\u9762\u79ef\u8f83\u5927\u7684\u63a5\u5730\u5e73\u9762\u4e0a\u4ee5\u63d0\u9ad8\u6563\u70ed\u6548\u7387\u3002\u88f8\u9732\u710a\u76d8\u901a\u8fc7\u5c01\u88c5\u5185\u7684\u57fa\u677f\u4e0eGND\u5b9e\u73b0\u7535\u6c14\u8fde\u63a5\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<\/div>\n<h2 id=\"toc5\">\u53ef\u53d8\u8f93\u51fa\u578b\u7ebf\u6027\u7a33\u538b\u5668IC\u7684\u8f93\u51fa\u7535\u538b\u8bbe\u5b9a\u65b9\u6cd5<\/h2>\n<p>\u4ee5\u4e0b\u5185\u5bb9\u662f\u8bbe\u8ba1\u65f6\u9700\u8981\u4e86\u89e3\u7684\u4e8b\u9879\u3002\u867d\u7136\u8fd9\u4e9b\u5185\u5bb9\u5e76\u4e0d\u590d\u6742\uff0c\u4f46\u76f8\u5173\u6ce8\u610f\u4e8b\u9879\u4ecd\u9700\u638c\u63e1\u3002\u672c\u8282\u5c06\u4ecb\u7ecd\u53ef\u53d8\u8f93\u51fa\u578b\u7684\u8f93\u51fa\u7535\u538b\u8bbe\u5b9a\u65b9\u6cd5\u3002\u56fa\u5b9a\u8f93\u51fa\u578b\u7684\u8f93\u51fa\u7535\u538b\u662f\u8bbe\u5b9a\u597d\u7684\uff0c\u53ea\u9700\u9009\u62e9\u5bf9\u5e94\u7535\u538b\u7684IC\u5373\u53ef\u3002<\/p>\n<p>\u9996\u5148\u4ecb\u7ecd\u53ef\u53d8\u8f93\u51fa\u578b\u7684\u5e94\u7528\u7535\u8def\u793a\u4f8b\uff0c\u5305\u62ec\u4e24\u79cd\u5c01\u88c5\u7684\u5f15\u811a\u914d\u7f6e\u548c\u5f15\u811a\u529f\u80fd\u3002<\/p>\n<p><span class=\"mathjax-text\">\\(V_{out} = 0.8 \\times \\frac{R_1 + R_2}{R_2} \\, [\\text{V}]\\)<\/span><\/p>\n<p>\u5efa\u8bae\u5c06\\(R_1\\)\u548c\\(R_2\\)\u7684\u603b\u548c\u8bbe\u5b9a\u57281k\u03a9\uff5e90k\u03a9\u4e4b\u95f4\u3002<\/p>\n<p class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/techweb.rohm.co.jp\/wp-content\/uploads\/2024\/12\/d13-4-01.webp\" alt=\"\u30ea\u30cb\u30a2\u30ec\u30ae\u30e5\u30ec\u30fc\u30bf\u3092\u4f7f\u3063\u305f\u96fb\u6e90\u8a2d\u8a08\u306e\u30dd\u30a4\u30f3\u30c8\uff1a\u53ef\u5909\u51fa\u529b\u578b\u30ea\u30cb\u30a2\u30ec\u30ae\u30e5\u30ec\u30fc\u30bfIC\u306e\u51fa\u529b\u96fb\u5727\u8a2d\u5b9a\u306b\u304a\u3051\u308b\u3001\u57fa\u6e96\u96fb\u5727\u3001\u5206\u5727\u62b5\u6297\u3001\u30d0\u30a4\u30a2\u30b9\u96fb\u6d41\u306e\u95a2\u4fc2\" \/><\/p>\n<p>\u5982\u4e0a\u56fe\u6240\u793a\uff0c\u8be5IC\u662f\u5411\\(V_O\\)\u5f15\u811a\u8f93\u51fa\u7535\u538b\uff0c\u4f7fFB\u5f15\u811a\u5bf9\u5730\u7535\u538b\u4e3a0.8V\u3002\\(R_2\\)\u7684\u7535\u6d41\\(I_2\\)\u53ef\u901a\u8fc70.8V\/\\(R_2\\)\u8ba1\u7b97\u5f97\u51fa\uff0c\\(R_1\\)\u7684\u7535\u6d41\u4e3a\\(R_2\\)\u7684\u7535\u6d41\u52a0\u4e0aFB\u5f15\u811a\u7684\u504f\u7f6e\u7535\u6d41\\(I_{FB}\\)\u3002\u4f46\u662f\u7531\u4e8eFB\u5f15\u811a\u7684\u5185\u90e8\u7535\u8def\uff08\u8bef\u5dee\u653e\u5927\u5668\uff09\u4e3aMOSFET\u6805\u6781\u8f93\u5165\uff0c\u504f\u7f6e\u7535\u6d41\\(I_{FB}\\)\u6781\u5c0f\uff0c\u53ef\u4ee5\u5ffd\u7565\u4e0d\u8ba1\u3002\u8f93\u51fa\u7535\u538b\\(V_{OUT}\\)\u4e3a0.8V\u52a0\u4e0a\\(R_1\\)\u548c\\(I_2\\)\u7684\u4e58\u79ef\uff0c\u5982\u4e0b\u5f0f\u6240\u793a\uff1a<\/p>\n<p><span class=\"mathjax-text\">\\(V_{out} = 0.8 + R_1 I_2 = 0.8 + R_1 \\frac{0.8}{R_2} = 0.8 \\times \\left(1 + \\frac{R_1}{R_2}\\right)\\)<\/span><\/p>\n<p>\u9700\u6ce8\u610f\u7684\u662f\uff0cPCB\uff08\u5370\u5237\u7535\u8def\u677f\uff09\u8d70\u7ebf\u65f6\uff0c\u8f93\u51fa\u7535\u538b\u8bbe\u5b9a\u7535\u963b\u5668\\(R_2\\)\u7684\u5e95\u90e8\u5e94\u76f4\u63a5\u8fde\u63a5\u5230GND\u5f15\u811a\uff0c\u4ee5\u5b9e\u73b0\u66f4\u4f18\u7684\u8d1f\u8f7d\u8c03\u8282\u6027\u80fd\u3002<\/p>\n<p>\u4e0b\u8868\u5217\u51fa\u4e86\u5178\u578b\u7684\u8f93\u51fa\u7535\u538b\u8bbe\u5b9a\u7535\u963b\u503c\u3002\u5f53\u7136\uff0c\u7535\u963b\u503c\u53ef\u4ee5\u901a\u8fc7\u4e0a\u8ff0\u516c\u5f0f\u8ba1\u7b97\u5f97\u51fa\uff0c\u4f46\u4e5f\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\u8fd9\u4e9b\u8868\u683c\u3002\u672c\u4f8b\u4e2d\u4f7f\u7528\u7684\u662fE24\u7cfb\u5217\u7684\u6807\u79f0\u7535\u963b\u503c\u3002\u201c\u4ee5\u6700\u5c11\u5143\u5668\u4ef6\u6570\u91cf\u8bbe\u5b9a\u201d\u662f\u4eceE24\u7cfb\u5217\u6807\u79f0\u503c\u4e2d\u9009\u53d6\u6700\u63a5\u8fd1\u8ba1\u7b97\u503c\u7684\u7535\u963b\uff0c\u6bcf\u7c7b\u54041\u4e2a\u51712\u4e2a\u7535\u963b\uff0c\u5141\u8bb8\u4e00\u5b9a\u7684\u8f93\u51fa\u7535\u538b\u8bef\u5dee\u3002\u201c\u9ad8\u7cbe\u5ea6\u8bbe\u5b9a\u201d\u5219\u662f\u901a\u8fc7\u7ec4\u5408\u591a\u4e2a\u7535\u963b\u6765\u5339\u914d\u8ba1\u7b97\u503c\uff0c\u4ee5\u5b9e\u73b0\u66f4\u9ad8\u7684\u8f93\u51fa\u7535\u538b\u7cbe\u5ea6\u3002<\/p>\n<p>\u7535\u963b\u5668\\(R_1\\)\u548c\\(R_2\\)\u5e94\u4f7f\u7528\u76f8\u540c\u7c7b\u578b\u7684\u4ea7\u54c1\u3002\u4e0d\u540c\u7c7b\u578b\u7684\u7535\u963b\u5668\u53ef\u80fd\u4f1a\u56e0\u516c\u5dee\u548c\u6e29\u5ea6\u7279\u6027\u7684\u5dee\u5f02\u5bfc\u81f4\\(R_1\\)\u548c\\(R_2\\)\u7684\u6bd4\u4f8b\u53d1\u751f\u53d8\u5316\uff0c\u4ece\u800c\u964d\u4f4e\u8f93\u51fa\u7535\u538b\u7cbe\u5ea6\u3002\u6b64\u5916\uff0c\u4f7f\u75280402mm\uff0801005inch\uff09\u5c3a\u5bf8\u4ee5\u4e0b\u7684\u8d34\u7247\u7535\u963b\u5668\u65f6\uff0c\u9700\u6ce8\u610f\u7535\u963b\u5668\u7684\u989d\u5b9a\u529f\u7387\u3001\u989d\u5b9a\u7535\u538b\u53ca\u6700\u5927\u5de5\u4f5c\u7535\u538b\u3002<\/p>\n<p class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2025\/04\/d13-4-02.png\" \/><\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"toc6\">\u7ebf\u6027\u7a33\u538b\u5668IC\u7684\u5f00\u5c14\u6587\u8fde\u63a5<\/h2>\n<p>\u672c\u8282\u5c06\u4ecb\u7ecd\u53ef\u4ee5\u8865\u507f\u8f93\u51fa\u7535\u538b\u8d1f\u8f7d\u7aef\u7535\u538b\u964d\u7684\u5f00\u5c14\u6587\u8fde\u63a5\u3002\u9700\u6ce8\u610f\u7684\u662f\uff0c\u6709\u4e9b\u56fa\u5b9a\u8f93\u51fa\u578bIC\uff08\u5f15\u811a\u529f\u80fd\uff09\u53ef\u80fd\u4e0d\u652f\u6301\u5f00\u5c14\u6587\u8fde\u63a5\u3002<\/p>\n<p>\u901a\u8fc7\u5bf9\u7ebf\u6027\u7a33\u538b\u5668IC\u7684\u8f93\u51fa\u4f7f\u7528\u5f00\u5c14\u6587\u8fde\u63a5\uff0c\u53ef\u4ee5\u8865\u507f\u8f93\u51fa\u5f15\u811a\u5230\u8d1f\u8f7d\u4e4b\u95f4\u7684\u7535\u538b\u964d\uff0c\u4ece\u800c\u5411\u8d1f\u8f7d\u63d0\u4f9b\u8bbe\u5b9a\u597d\u7684\u8f93\u51fa\u7535\u538b\u503c\uff0c\u8fd9\u79cd\u65b9\u5f0f\u6709\u65f6\u88ab\u79f0\u4e3a\u201c\u8fdc\u7aef\u611f\u6d4b\u201d\u3002\u53ef\u53d8\u8f93\u51fa\u578b\u548c\u56fa\u5b9a\u8f93\u51fa\u578b\u7684\u65b9\u6cd5\u4e0d\u540c\uff0c\u56e0\u6b64\u4e0b\u9762\u5206\u522b\u8fdb\u884c\u4ecb\u7ecd\u3002<\/p>\n<h3 id=\"toc7\">\u53ef\u53d8\u8f93\u51fa\u578b\u7684\u5f00\u5c14\u6587\u8fde\u63a5<\/h3>\n<p>\u901a\u5e38\uff0c\u8f93\u51fa\u7535\u538b\u8bbe\u5b9a\u7535\u963b\u5668\u8fde\u63a5\u5230\\(V_O\\)\u5f15\u811a\u65f6\u53ef\u4ee5\u83b7\u5f97\u66f4\u4f73\u7684\u8c03\u8282\u6027\u80fd\u3002\u4f46\u5982\u679c\u8d1f\u8f7d\u7535\u6d41\u8f83\u5927\u3001\u5230\u8d1f\u8f7d\u7684\u8d70\u7ebf\u5bbd\u5ea6\u8f83\u7a84\u6216\u5230\u8d1f\u8f7d\u7684\u8ddd\u79bb\u8f83\u8fdc\u65f6\uff0c\u53ef\u80fd\u4f1a\u56e0PCB\u4e0a\u8584\u819c\u8d70\u7ebf\u7684\u7535\u963b\u800c\u4ea7\u751f\u7535\u538b\u964d\uff0c\u5bfc\u81f4\u8d1f\u8f7d\u7aef\u7684\u5b9e\u9645\u7535\u538b\u4f4e\u4e8e\u8bbe\u5b9a\u7535\u538b\u3002<\/p>\n<p>\u901a\u8fc7\u5c06\u8f93\u51fa\u7535\u538b\u8bbe\u5b9a\u7535\u963b\u5206\u538b\u5668\u7684\u9876\u90e8\u5c3d\u53ef\u80fd\u9760\u8fd1\u8d1f\u8f7d\u8fde\u63a5\uff0c\u53ef\u4ee5\u8865\u507f\u8be5\u7535\u538b\u964d\u3002\u5c06\u9ad8\u963b\u6297\u7535\u963b\u5206\u538b\u5668\u9760\u8fd1IC\u653e\u7f6e\uff0c\u5e76\u5c06\u4f4e\u963b\u6297\u7535\u963b\u5668\u9876\u90e8\u7684\u8d70\u7ebf\u5ef6\u4f38\u5230\u8d1f\u8f7d\uff0c\u53ef\u63d0\u9ad8\u6297\u566a\u58f0\u6027\u80fd\u3002IC\u7684GND\u4fa7\u4e5f\u5e94\u901a\u8fc7\u72ec\u7acb\u7684\u63a5\u5730\u7ebf\u8fde\u63a5\u81f3\u8d1f\u8f7d\uff0c\u4ee5\u907f\u514d\u53d7\u5230\u8d1f\u8f7d\u7535\u6d41\u9020\u6210\u7684\u7535\u538b\u964d\u5f71\u54cd\uff08\u89c1\u4e0b\u56fe\uff09\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2025\/04\/d13-5-01.png\" \/><br \/>\n\u203b\\(I_{LARGE}\\)\u8868\u793a\u6d41\u7ecf\u7535\u8def\u677f\u8d70\u7ebf\u7684\u5927\u7535\u6d41\uff0c\\(V_O\\)\u548cGND\u7ebf\u4e0a\u7684\u7535\u963b\u5668\u7b26\u53f7\u8868\u793a\u8d70\u7ebf\u7535\u963b\u3002<\/p>\n<p>\u6b64\u5916\uff0cIC\u7684\u8f93\u51fa\u7535\u5bb9\\(C_{OUT}\\)\u5e94\u9760\u8fd1\u8d1f\u8f7d\u653e\u7f6e\uff0c\u5f53\u9700\u8981\u5bf9\u6025\u5267\u7684\u8d1f\u8f7d\u53d8\u5316\u8fc5\u901f\u4f5c\u51fa\u54cd\u5e94\u65f6\uff0c\u53ef\u989d\u5916\u914d\u7f6e\u5927\u5bb9\u91cf\u7535\u5bb9\\(C_{BULK}\\)<\/p>\n<h3 id=\"toc8\">\u56fa\u5b9a\u8f93\u51fa\u578b\u7684\u5f00\u5c14\u6587\u8fde\u63a5<\/h3>\n<p>\u56fa\u5b9a\u8f93\u51fa\u578b\u5185\u7f6e\u6709\u8f93\u51fa\u7535\u538b\u8bbe\u5b9a\u7535\u963b\u5668\uff0c\u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u6807\u51c6\u7684\u4e09\u7aef\u7a33\u538b\u5668\u4e2d\uff0c\u7535\u963b\u5206\u538b\u5668\u7684\u9876\u90e8\u662f\u5728IC\u5185\u90e8\u8fde\u63a5\u5230\u8f93\u51fa\u7aef\u7684\uff08\u6ca1\u6709\u4e0b\u9762\u6846\u56fe\u4e2d\u7684 \\(V_{O\uff3fS}\\) \u5f15\u811a\uff0c\u800c\u662f\u5185\u90e8\u8fde\u63a5\u5230\\(V_O\\)\uff09\uff0c\u8fd9\u79cd\u7ed3\u6784\u7684IC\u65e0\u6cd5\u5b9e\u73b0\u5f00\u5c14\u6587\u8fde\u63a5\u3002BDxxIC0\u7cfb\u5217\u7684\u7535\u963b\u5206\u538b\u5668\u7684\u9876\u90e8\u662f\u8fde\u63a5\u5230 \\(V_{O\uff3fS}\\) \u5f15\u811a\u7684\uff0c\u56e0\u6b64\u53ef\u4ee5\u50cf\u53ef\u53d8\u8f93\u51fa\u578b\u4e00\u6837\u5b9e\u73b0\u5f00\u5c14\u6587\u8fde\u63a5\uff08\u89c1\u4e0b\u56fe\uff09\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2025\/04\/d13-5-02.png\" \/><br \/>\n\u203b<span class=\"u-ff-mathjax\">I<sub>LARGE<\/sub><\/span>\u8868\u793a\u6d41\u7ecfPCB\u8d70\u7ebf\u7684\u5927\u7535\u6d41\uff0c\\(V_O\\)\u548cGND\u7ebf\u4e0a\u7684\u7535\u963b\u5668\u7b26\u53f7\u8868\u793a\u8d70\u7ebf\u7535\u963b\u3002<\/p>\n<p>\u5982\u679c\u5230\u8d1f\u8f7d\u7684\u7535\u538b\u964d\u95ee\u9898\u662f\u7531\u4e8e\u7a33\u538b\u5668IC\u6ca1\u6709 \\(V_{O\uff3fS}\\) \u5f15\u811a\u6216\u7c7b\u4f3c\u529f\u80fd\u7684\u5f15\u811a\u9020\u6210\u7684\uff0c\u53ef\u4ee5\u901a\u8fc7\u66f4\u6362\u4e3a\u5177\u6709\u6b64\u7c7b\u5f15\u811a\u7684\u7a33\u538b\u5668IC\u6765\u89e3\u51b3\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"toc9\">\u7ebf\u6027\u7a33\u538b\u5668IC\u7684\u8f93\u51fa\u7535\u538b\u8bef\u5dee<\/h2>\n<p>\u8f93\u51fa\u7535\u538b\u5fc5\u7136\u5b58\u5728\u8bef\u5dee\u3002\u4f8b\u5982\u5bf9\u4e8e\u56fa\u5b9a\u8f93\u51fa\u578b\uff0c\u8bef\u5dee\u770b\u4f3c\u662f\u8f93\u51fa\u7535\u538b\u89c4\u683c\u7684\u6700\u5927\u503c\u548c\u6700\u5c0f\u503c\uff0c\u4f46\u5176\u5b9e\u8fd8\u9700\u8003\u8651\u5176\u4ed6\u76f8\u5173\u53c2\u6570\u7684\u5bb9\u5dee\u3002<\/p>\n<p>\u56fa\u5b9a\u8f93\u51fa\u578b\u7684\u6700\u5927\u8f93\u51fa\u7535\u538b\u8bef\u5dee\u662f\u8f93\u51fa\u7535\u538b\u5bb9\u5dee\u3001\u8f93\u5165\u7a33\u5b9a\u6027\u5bb9\u5dee\u548c\u8d1f\u8f7d\u7a33\u5b9a\u6027\u5bb9\u5dee\u7684\u603b\u548c\u3002\u7531\u4e8e\u9700\u8981\u57fa\u4e8e\u4e09\u4e2a\u53c2\u6570\u7684\u6700\u5927\u503c\u548c\u6700\u5c0f\u503c\u8fdb\u884c\u7ec4\u5408\u8ba1\u7b97\uff0c\u8fc7\u7a0b\u7a0d\u663e\u590d\u6742\uff0c\u4f46\u8fd9\u662f\u9884\u4f30\u6700\u574f\u60c5\u51b5\u65f6\u5fc5\u987b\u8003\u8651\u7684\u56e0\u7d20\u3002<\/p>\n<p>\u53ef\u53d8\u8f93\u51fa\u7c7b\u578b\u7684\u8bef\u5dee\u662f\u57fa\u51c6\u7535\u538b\uff08&lt;\\(V_{FB}\\)\uff09\u5bb9\u5dee\u4e58\u4ee5\u7528\u4e8e\u8bbe\u5b9a\u8f93\u51fa\u7535\u538b\u7684\u5916\u63a5\u7535\u963b\u5668\u5bb9\u5dee\u7684\u503c\uff08\u89c1\u4e0b\u5217\u516c\u5f0f\uff09\u52a0\u4e0a\u8f93\u5165\u7a33\u5b9a\u6027\u5bb9\u5dee\u548c\u8d1f\u8f7d\u7a33\u5b9a\u6027\u5bb9\u5dee\u7684\u603b\u548c\u3002<\/p>\n<p>\u53ef\u53d8\u8f93\u51fa\u578b\u7684\u8f93\u51fa\u7535\u538b\u5bb9\u5dee\uff1a<\/p>\n<p>\u6700\u5c0f\u503c<\/p>\n<p><span class=\"mathjax-text\">\\( V_{{OUT(MIN)}} = V_{{C(MIN)}} \\times \\frac{R_{{1(MIN)}} + R_{{2(MAX)}}}{R_{{2(MAX)}}} \\, [\\text{V}] \\)<\/span><\/p>\n<p>\u6700\u5927\u5024<\/p>\n<p><span class=\"mathjax-text\">\\( V_{{OUT(MAX)}} = V_{{C(MAX)}} \\times \\frac{R_{{1(MAX)}} + R_{{2(MIN)}}}{R_{{2(MIN)}}} \\, [\\text{V}] \\)<\/span><\/p>\n<p class=\"aligncenter\">\n<style>\n    .img_inline img{<br \/>    display: inline!important;<br \/>  }<br \/>ul.nml_li li{<br \/>\t\tlist-style-type: none;<br \/>\t\ttext-indent: -1.4em;<br \/>\t\tline-height: 1.6;<br \/>\t\tmargin: 0 0 10px 40px;<br \/>\t}<br \/>  table.tbl_simple td{<br \/>    vertical-align: top;<br \/>    padding: 10px;<br \/>  }<br \/>  table.tbl_simple td ul{<br \/>    margin-bottom: 0!important;<br \/>  }<br \/>  .tbl_nml .highlight{<br \/>    background: #DEEAF6!important;<br \/>  }<br \/>  .tbl_nml .al_left{<br \/>    text-align: left!important;<br \/>  }<br \/>  .tbl_nml .main_th{<br \/>    background: #7F7F7F!important;<br \/>   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