{"id":17238,"date":"2026-11-10T17:37:44","date_gmt":"2026-11-10T09:37:44","guid":{"rendered":"http:\/\/www.szryc.com\/?p=17238"},"modified":"2026-11-10T17:37:44","modified_gmt":"2026-11-10T09:37:44","slug":"mp2307dn-%e8%8a%af%e7%89%87%e5%ba%94%e7%94%a8%e6%8c%87%e5%8d%97","status":"publish","type":"post","link":"http:\/\/www.szryc.com\/?p=17238","title":{"rendered":"MP2307DN \u82af\u7247\u5e94\u7528\u6307\u5357"},"content":{"rendered":"<p>MP2307DN \u662f MPS\uff08Monolithic Power Systems\uff09\u63a8\u51fa\u7684\u4e00\u6b3e<strong>\u5355\u7247\u540c\u6b65\u964d\u538b\uff08Buck\uff09\u7a33\u538b\u5668<\/strong>\uff0c\u5185\u90e8\u96c6\u6210\u4e86 100m\u03a9 \u529f\u7387 MOSFET\uff0c\u91c7\u7528 8 \u5f15\u811a SOIC\uff08\u5e26\u6563\u70ed\u88f8\u710a\u76d8\uff09\u5c01\u88c5\uff0c\u662f\u7ecf\u5178\u7684 3A \u7ea7 DC-DC \u964d\u538b\u65b9\u6848\uff08\u5e38\u7528\u4e8e\u6811\u8393\u6d3e\u3001\u5355\u7247\u673a\u677f\u5361\u3001\u7f51\u7edc\u8bbe\u5907\u7b49\u7684\u7535\u6e90\u7ea7\uff09\u3002<\/p>\n<h2>\u4e00\u3001\u6838\u5fc3\u53c2\u6570<\/h2>\n<div class=\"cr-table-block\">\n<div class=\"cr-message-quote-table-menu\" data-message-quote-source-id=\"01a1c4c5-6e14-7f9e-968b-059e1d7b285f-text-4:table:table-9\">\u00a0<\/div>\n<div class=\"cr-table-block__scroller\">\n<div class=\"cr-table-block__inner\">\n<table data-id=\"table-9\" data-content=\"| \u53c2\u6570 | \u6570\u503c |\n|---|---|\n| \u8f93\u5165\u7535\u538b\u8303\u56f4 | 4.75V ~ 23V\uff08\u7edd\u5bf9\u6700\u5927 26V\uff09 |\n| \u8f93\u51fa\u7535\u538b\u8303\u56f4 | 0.925V ~ 20V\uff08FB \u57fa\u51c6 0.925V\uff0c\u53ef\u8c03\uff09 |\n| \u8fde\u7eed\u8f93\u51fa\u7535\u6d41 | 3A\uff08\u5cf0\u503c 4A\uff0c\u5f00\u5173\u9650\u6d41\u5178\u578b 5.8A\uff09 |\n| \u5f00\u5173\u9891\u7387 | \u56fa\u5b9a 340kHz |\n| \u5cf0\u503c\u6548\u7387 | \u6700\u9ad8\u7ea6 95% |\n| \u63a7\u5236\u65b9\u5f0f | \u5cf0\u503c\u7535\u6d41\u6a21\u5f0f\uff0c\u9010\u5468\u671f\u9650\u6d41 |\n| \u8f6f\u542f\u52a8 | SS \u5f15\u811a\u5916\u63a5\u7535\u5bb9\u53ef\u7f16\u7a0b\uff0c\u5173\u65ad\u9759\u6001\u7535\u6d41 &lt;1\u00b5A |\n| \u5de5\u4f5c\u6e29\u5ea6 | -40\u00b0C ~ +85\u00b0C |\n| \u4fdd\u62a4\u529f\u80fd | \u8f93\u5165\u6b20\u538b\u9501\u5b9a\uff08UVLO\uff09\u3001\u9010\u5468\u671f\u8fc7\u6d41\u4fdd\u62a4\u3001\u8fc7\u6e29\u5173\u65ad |\"><\/p>\n<thead>\n<tr>\n<th>\u53c2\u6570<\/th>\n<th>\u6570\u503c<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u8f93\u5165\u7535\u538b\u8303\u56f4<\/td>\n<td>4.75V ~ 23V\uff08\u7edd\u5bf9\u6700\u5927 26V\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u8f93\u51fa\u7535\u538b\u8303\u56f4<\/td>\n<td>0.925V ~ 20V\uff08FB \u57fa\u51c6 0.925V\uff0c\u53ef\u8c03\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u8fde\u7eed\u8f93\u51fa\u7535\u6d41<\/td>\n<td>3A\uff08\u5cf0\u503c 4A\uff0c\u5f00\u5173\u9650\u6d41\u5178\u578b 5.8A\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u5f00\u5173\u9891\u7387<\/td>\n<td>\u56fa\u5b9a 340kHz<\/td>\n<\/tr>\n<tr>\n<td>\u5cf0\u503c\u6548\u7387<\/td>\n<td>\u6700\u9ad8\u7ea6 95%<\/td>\n<\/tr>\n<tr>\n<td>\u63a7\u5236\u65b9\u5f0f<\/td>\n<td>\u5cf0\u503c\u7535\u6d41\u6a21\u5f0f\uff0c\u9010\u5468\u671f\u9650\u6d41<\/td>\n<\/tr>\n<tr>\n<td>\u8f6f\u542f\u52a8<\/td>\n<td>SS \u5f15\u811a\u5916\u63a5\u7535\u5bb9\u53ef\u7f16\u7a0b\uff0c\u5173\u65ad\u9759\u6001\u7535\u6d41 &lt;1\u00b5A<\/td>\n<\/tr>\n<tr>\n<td>\u5de5\u4f5c\u6e29\u5ea6<\/td>\n<td>-40\u00b0C ~ +85\u00b0C<\/td>\n<\/tr>\n<tr>\n<td>\u4fdd\u62a4\u529f\u80fd<\/td>\n<td>\u8f93\u5165\u6b20\u538b\u9501\u5b9a\uff08UVLO\uff09\u3001\u9010\u5468\u671f\u8fc7\u6d41\u4fdd\u62a4\u3001\u8fc7\u6e29\u5173\u65ad<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<h2>\u4e8c\u3001\u5b98\u65b9\u5178\u578b\u5e94\u7528\u573a\u666f<\/h2>\n<ul>\n<li><strong>\u5206\u5e03\u5f0f\u7535\u6e90\u7cfb\u7edf<\/strong>\uff08\u4e2d\u95f4\u6bcd\u7ebf\u964d\u538b\uff0c\u5982 12V\u21923.3V\/1.8V\uff09<\/li>\n<li><strong>\u7f51\u7edc\u901a\u4fe1\u8bbe\u5907<\/strong>\uff08\u8def\u7531\u5668\u3001\u4ea4\u6362\u673a\u677f\u5361\u7535\u6e90\uff09<\/li>\n<li><strong>FPGA \/ DSP \/ ASIC \u4f9b\u7535<\/strong><\/li>\n<li><strong>\u7b14\u8bb0\u672c\u7535\u8111\u3001\u7eff\u8272\u5bb6\u7535<\/strong><\/li>\n<li>\u5b9e\u9645\u4e2d\u5e7f\u6cdb\u7528\u4e8e\uff1a12V \u9002\u914d\u5668\u964d\u538b\u5230 5V\/3.3V \u7ed9\u5355\u7247\u673a\u3001\u6811\u8393\u6d3e\u3001\u4f20\u611f\u5668\u4f9b\u7535<\/li>\n<\/ul>\n<h2>\u4e09\u3001\u5178\u578b\u5e94\u7528\u7535\u8def\uff08\u5b98\u65b9\u8bc4\u4f30\u677f\u65b9\u6848\uff1a12V \u2192 3.3V \/ 3A\uff09<\/h2>\n<div class=\"cr-code-like-box\">\n<div class=\"cr-code-like-box__header\"><span class=\"cr-code-block__language\">plaintext<\/span><button class=\"cr-code-block__copy-button\" type=\"button\" aria-label=\"\u590d\u5236\"><\/button><\/div>\n<div class=\"cr-code-like-box__content\">\n<pre class=\"cr-code-block__pre\"><code data-id=\"code-128\" data-content=\"VIN (4.75~23V) \u2500\u2500\u252c\u2500\u2500 IN \u2524MP2307\u251c SW \u2500\u2500 L1(10\u00b5H\/4A) \u2500\u2500\u252c\u2500\u2500 VOUT 3.3V\/3A\r\n                 \u2502        \u2502                    \u2502\r\n        R1=100k\u03a9 \u2502        BS\u2500C5(10nF)\u2500SW      C2 (22\u00b5F\/6.3V \u9676\u74f7 \u00d72)\r\n                 \u2502        EN\u2500\u4e0a\u62c9\u81f3VIN        \u2502\r\n                          FB\u2500\u2500\u252c\u2500\u2500 GND       \u2534\u2500 GND\r\n                        R1=26.1k\u03a9(1%)\r\n                        R2=10k\u03a9(1%)\r\n                          COMP\u2500C3(3.9nF)\/C4(0.1\u00b5F)\r\n                          SS\u2500\u2500C(10nF \u8f6f\u542f\u52a8)\r\n\">VIN (4.75~23V) \u2500\u2500\u252c\u2500\u2500 IN \u2524MP2307\u251c SW \u2500\u2500 L1(10\u00b5H\/4A) \u2500\u2500\u252c\u2500\u2500 VOUT 3.3V\/3A\r\n                 \u2502        \u2502                    \u2502\r\n        R1=100k\u03a9 \u2502        BS\u2500C5(10nF)\u2500SW      C2 (22\u00b5F\/6.3V \u9676\u74f7 \u00d72)\r\n                 \u2502        EN\u2500\u4e0a\u62c9\u81f3VIN        \u2502\r\n                          FB\u2500\u2500\u252c\u2500\u2500 GND       \u2534\u2500 GND\r\n                        R1=26.1k\u03a9(1%)\r\n                        R2=10k\u03a9(1%)\r\n                          COMP\u2500C3(3.9nF)\/C4(0.1\u00b5F)\r\n                          SS\u2500\u2500C(10nF \u8f6f\u542f\u52a8)\r\n<\/code><\/pre>\n<\/div>\n<\/div>\n<p><strong>\u5173\u952e\u5916\u56f4\u5668\u4ef6\u8bbe\u8ba1\u8981\u70b9\uff1a<\/strong><\/p>\n<div class=\"cr-table-block\">\n<div class=\"cr-message-quote-table-menu\" data-message-quote-source-id=\"01a1c4c5-6e14-7f9e-968b-059e1d7b285f-text-4:table:table-132\">\u00a0<\/div>\n<div class=\"cr-table-block__scroller\">\n<div class=\"cr-table-block__inner\">\n<table data-id=\"table-132\" data-content=\"| \u73af\u8282 | \u8981\u70b9 |\n|---|---|\n| \u8f93\u51fa\u7535\u538b\u8bbe\u5b9a | Vout = 0.925 \u00d7 (1 + R1\/R2)\uff0c3.3V \u7528 26.1k\/10k\uff1b5V \u53ef\u7528 44.2k\/10k |\n| \u7535\u611f | 10\u00b5H ~ 15\u00b5H\uff0c\u9971\u548c\u7535\u6d41\u9700 &gt; 4A\uff08\u5cf0\u503c\u9650\u6d41 5.8A \u4ee5\u4e0a\u66f4\u4fdd\u9669\uff09 |\n| \u8f93\u51fa\u7535\u5bb9 | \u4f4e ESR \u9676\u74f7\u7535\u5bb9\uff08\u226522\u00b5F\uff09\uff0cMP2307 \u5bf9\u9676\u74f7\u7535\u5bb9\u7a33\u5b9a |\n| \u8f93\u5165\u7535\u5bb9 | \u9760\u8fd1 IN \u5f15\u811a\u653e\u7f6e \u226510\u00b5F \u9676\u74f7\u7535\u5bb9\uff0c\u964d\u4f4e\u5f00\u5173\u7eb9\u6ce2 |\n| \u81ea\u4e3e\u7535\u5bb9 | BS\u2013SW \u4e4b\u95f4\u63a5 10nF\uff0c\u9a71\u52a8\u9ad8\u4fa7\u7ba1 |\n| \u8f6f\u542f\u52a8 | SS \u5f15\u811a\u63a5\u7535\u5bb9\uff08\u5178\u578b 10nF\uff09\u8bbe\u5b9a\u4e0a\u7535\u659c\u7387\uff0c\u9632\u6d6a\u6d8c |\n| \u4f7f\u80fd | EN \u4e0a\u62c9 100k\u03a9 \u5230 VIN \u4f7f\u80fd\uff1b\u63a5\u5355\u7247\u673a GPIO \u53ef\u5b9e\u73b0\u5f00\u5173\u63a7\u5236 |\n| \u5e03\u5c40 | \u88f8\u710a\u76d8\uff08\u80cc\u9762\uff09\u5fc5\u987b\u710a\u63a5\u5230\u5927\u9762\u79ef\u5730\u94dc\u7b94\u6563\u70ed\uff0c\u03b8JA=50\u00b0C\/W\u3001\u03b8JC=10\u00b0C\/W |\"><\/p>\n<thead>\n<tr>\n<th>\u73af\u8282<\/th>\n<th>\u8981\u70b9<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u8f93\u51fa\u7535\u538b\u8bbe\u5b9a<\/td>\n<td>Vout = 0.925 \u00d7 (1 + R1\/R2)\uff0c3.3V \u7528 26.1k\/10k\uff1b5V \u53ef\u7528 44.2k\/10k<\/td>\n<\/tr>\n<tr>\n<td>\u7535\u611f<\/td>\n<td>10\u00b5H ~ 15\u00b5H\uff0c\u9971\u548c\u7535\u6d41\u9700 &gt; 4A\uff08\u5cf0\u503c\u9650\u6d41 5.8A \u4ee5\u4e0a\u66f4\u4fdd\u9669\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u8f93\u51fa\u7535\u5bb9<\/td>\n<td>\u4f4e ESR \u9676\u74f7\u7535\u5bb9\uff08\u226522\u00b5F\uff09\uff0cMP2307 \u5bf9\u9676\u74f7\u7535\u5bb9\u7a33\u5b9a<\/td>\n<\/tr>\n<tr>\n<td>\u8f93\u5165\u7535\u5bb9<\/td>\n<td>\u9760\u8fd1 IN \u5f15\u811a\u653e\u7f6e \u226510\u00b5F \u9676\u74f7\u7535\u5bb9\uff0c\u964d\u4f4e\u5f00\u5173\u7eb9\u6ce2<\/td>\n<\/tr>\n<tr>\n<td>\u81ea\u4e3e\u7535\u5bb9<\/td>\n<td>BS\u2013SW \u4e4b\u95f4\u63a5 10nF\uff0c\u9a71\u52a8\u9ad8\u4fa7\u7ba1<\/td>\n<\/tr>\n<tr>\n<td>\u8f6f\u542f\u52a8<\/td>\n<td>SS \u5f15\u811a\u63a5\u7535\u5bb9\uff08\u5178\u578b 10nF\uff09\u8bbe\u5b9a\u4e0a\u7535\u659c\u7387\uff0c\u9632\u6d6a\u6d8c<\/td>\n<\/tr>\n<tr>\n<td>\u4f7f\u80fd<\/td>\n<td>EN \u4e0a\u62c9 100k\u03a9 \u5230 VIN \u4f7f\u80fd\uff1b\u63a5\u5355\u7247\u673a GPIO \u53ef\u5b9e\u73b0\u5f00\u5173\u63a7\u5236<\/td>\n<\/tr>\n<tr>\n<td>\u5e03\u5c40<\/td>\n<td>\u88f8\u710a\u76d8\uff08\u80cc\u9762\uff09\u5fc5\u987b\u710a\u63a5\u5230\u5927\u9762\u79ef\u5730\u94dc\u7b94\u6563\u70ed\uff0c\u03b8JA=50\u00b0C\/W\u3001\u03b8JC=10\u00b0C\/W<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<h2>\u56db\u3001\u6ce8\u610f\u4e8b\u9879<\/h2>\n<ol>\n<li><strong>\u6548\u7387\u7279\u6027<\/strong>\uff1a\u8f7b\u8f7d + \u9ad8\u538b\u8f93\u5165\u65f6\u6548\u7387\u660e\u663e\u4e0b\u964d\uff0823V \u8f93\u5165\u30010.1A \u8d1f\u8f7d\u65f6\u4ec5\u7ea6 68%\uff09\uff0c\u5927\u7535\u6d41\u9ad8\u538b\u5de5\u51b5\u8981\u6ce8\u610f\u6e29\u5347\u3002<\/li>\n<li><strong>\u6563\u70ed<\/strong>\uff1a3A \u6ee1\u8f7d\u4e14 VIN \u8f83\u9ad8\u65f6\u5fc5\u987b\u4f9d\u9760 PCB \u94fa\u94dc\u6563\u70ed\uff0c\u5fc5\u8981\u65f6\u589e\u52a0\u8fc7\u5b54\u5230\u5185\u5c42\u5730\u5e73\u9762\u3002<\/li>\n<li><strong>\u4e0d\u63a8\u8350\u65b0\u8bbe\u8ba1<\/strong>\uff1aMPS \u5b98\u7f51\u5df2\u5c06 MP2307 \u6807\u8bb0\u4e3a <strong>NOT RECOMMENDED FOR NEW DESIGNS<\/strong>\uff08\u8001\u578b\u53f7\uff09\uff0c\u65b0\u9879\u76ee\u5efa\u8bae\u8003\u8651\u5176\u5347\u7ea7\u66ff\u4ee3\u54c1\uff0c\u5982 <strong>MP2315<\/strong>\uff0824V\/3A\uff0cSOT583\uff0c1MHz\uff09\u3001<strong>MP2451\/MP2456<\/strong>\u3001<strong>MP2338<\/strong> \u7b49\u66f4\u9ad8\u96c6\u6210\u5ea6\u3001\u66f4\u9ad8\u9891\u7387\u7684\u65b0\u65b9\u6848\u3002<\/li>\n<li><strong>\u8f93\u51fa\u8303\u56f4\u9650\u5236<\/strong>\uff1a\u6700\u5927\u5360\u7a7a\u6bd4\u7ea6 90%\uff0c\u5347\u538b\u6bd4\u8fc7\u5927\uff08\u5982 5V\u219220V\uff09\u65f6\u9700\u6838\u7b97\u6700\u5c0f\u5173\u65ad\u65f6\u95f4\u3002<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>MP2307DN \u662f MPS\uff08Monolithic Power Systems\uff09\u63a8\u51fa\u7684\u4e00\u6b3e\u5355\u7247\u540c\u6b65\u964d\u538b\uff08Buc [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[14],"tags":[],"class_list":["post-17238","post","type-post","status-publish","format-standard","hentry","category-14"],"_links":{"self":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts\/17238","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=17238"}],"version-history":[{"count":1,"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts\/17238\/revisions"}],"predecessor-version":[{"id":17239,"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts\/17238\/revisions\/17239"}],"wp:attachment":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=17238"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=17238"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=17238"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}