{"id":108550,"date":"2026-09-22T03:24:53","date_gmt":"2026-09-21T19:24:53","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/108550.html"},"modified":"2026-09-22T03:24:53","modified_gmt":"2026-09-21T19:24:53","slug":"%e3%80%90%e7%a1%ac%e4%bb%b6%e5%ae%9e%e6%88%98%e3%80%91buckboostldo-%e5%85%a8%e9%9b%86%e6%88%90%e5%a4%9a%e5%8a%9f%e8%83%bd%e7%94%b5%e6%ba%90%e6%9d%bf%e8%ae%be%e8%ae%a1%ef%bc%88%e5%8e%9f%e7%90%86","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/108550.html","title":{"rendered":"\u3010\u786c\u4ef6\u5b9e\u6218\u3011Buck+Boost+LDO \u5168\u96c6\u6210\u591a\u529f\u80fd\u7535\u6e90\u677f\u8bbe\u8ba1\uff08\u539f\u7406\u56fe + PCB \u5b8c\u6574\u65b9\u6848"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"670\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260921192451-6ab184833062b.png\" width=\"1280\" \/><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"800\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260921192452-6ab1848423b60.jpg\" width=\"1280\" \/><\/p>\n<h2><\/h2>\n<h3>\u524d\u8a00<\/h3>\n<p>\u5728\u7535\u5b50\u8bbe\u8ba1\u7ade\u8d5b\u3001\u5d4c\u5165\u5f0f\u9879\u76ee\u5f00\u53d1\u4e2d&#xff0c;\u591a\u8def\u7a33\u538b\u7535\u6e90\u662f\u6240\u6709\u7cfb\u7edf\u7684\u57fa\u7840\u3002\u4e3a\u4e86\u540c\u65f6\u8986\u76d6\u5bbd\u538b\u8f93\u5165\u3001\u591a\u7b49\u7ea7\u7535\u538b\u8f93\u51fa&#xff0c;\u540c\u65f6\u7cfb\u7edf\u5b66\u4e60\u5f00\u5173\u7535\u6e90\u7ecf\u5178\u62d3\u6251&#xff0c;\u6211\u8bbe\u8ba1\u4e86\u8fd9\u6b3e\u53cc\u8f93\u5165\u3001\u591a\u8def\u8f93\u51fa\u7684\u96c6\u6210\u7535\u6e90\u6a21\u5757\u3002\u677f\u5b50\u57fa\u4e8e\u5609\u7acb\u521b EDA \u5b8c\u6210\u5168\u6d41\u7a0b\u8bbe\u8ba1&#xff0c;\u96c6\u6210 Buck \u964d\u538b\u3001Boost \u5347\u538b\u3001LDO \u7ebf\u6027\u7a33\u538b\u4e09\u5927\u7ecf\u5178\u7535\u8def&#xff0c;\u81ea\u5e26\u6570\u7801\u7ba1\u7535\u538b\u663e\u793a&#xff0c;\u517c\u5177\u5b9e\u6218\u4ef7\u503c\u4e0e\u5b66\u4e60\u610f\u4e49\u3002<\/p>\n<h3>\u4e00\u3001\u9879\u76ee\u6574\u4f53\u529f\u80fd<\/h3>\n<p>\u672c\u7535\u6e90\u677f\u5c06\u591a\u79cd\u7535\u6e90\u62d3\u6251\u96c6\u6210\u5728\u5355\u5757 PCB \u4e0a&#xff0c;\u63a5\u53e3\u4e30\u5bcc\u3001\u4fdd\u62a4\u5b8c\u5584&#xff0c;\u53ef\u76f4\u63a5\u4f5c\u4e3a\u9879\u76ee\u7684\u4f9b\u7535\u5b50\u7cfb\u7edf\u3002<\/p>\n<h4>\u6838\u5fc3\u7279\u6027<\/h4>\n<ul>\n<li>\u53cc\u8f93\u5165\u901a\u8def&#xff1a;DC \u76f4\u6d41\u63d2\u5ea7&#xff08;\u652f\u6301 7~15V \u5bbd\u538b&#xff09;&#043; Type-C \u63a5\u53e3\u53cc\u8f93\u5165&#xff0c;\u9002\u914d\u9002\u914d\u5668\u3001\u5145\u7535\u5b9d\u7b49\u591a\u79cd\u7535\u6e90<\/li>\n<li>\u4e09\u8def\u7a33\u538b\u8f93\u51fa&#xff1a;\n<ul>\n<li>Buck \u964d\u538b&#xff1a;\u5bbd\u538b\u8f93\u5165\u8f6c 5V \u5927\u7535\u6d41\u8f93\u51fa<\/li>\n<li>LDO \u7ebf\u6027\u7a33\u538b&#xff1a;5V \u8f6c 3.3V \u4f4e\u566a\u58f0\u8f93\u51fa<\/li>\n<li>Boost \u5347\u538b&#xff1a;3.3V \u5347 5V \u8f93\u51fa<\/li>\n<\/ul>\n<\/li>\n<li>\u7535\u538b\u53ef\u89c6\u5316&#xff1a;\u4e09\u4f4d\u6570\u7801\u7ba1\u5b9e\u65f6\u663e\u793a\u8f93\u5165\u7535\u538b&#xff0c;\u8c03\u8bd5\u65e0\u9700\u5916\u63a5\u4e07\u7528\u8868<\/li>\n<li>\u5b89\u5168\u9632\u62a4&#xff1a;\u677f\u8f7d\u81ea\u6062\u590d\u4fdd\u9669\u4e1d &#043; \u9632\u53cd\u63a5\u4fdd\u62a4&#xff0c;\u907f\u514d\u8bef\u64cd\u4f5c\u635f\u574f\u7535\u8def<\/li>\n<li>\u72b6\u6001\u6307\u793a&#xff1a;\u6bcf\u8def\u8f93\u51fa\u914d\u5907\u72ec\u7acb LED \u6307\u793a\u706f&#xff0c;\u5de5\u4f5c\u72b6\u6001\u76f4\u89c2\u53ef\u89c1<\/li>\n<\/ul>\n<h4>3D PCB \u6548\u679c\u5c55\u793a<\/h4>\n<p>\u6574\u4f53\u5e03\u5c40\u7d27\u51d1&#xff0c;\u63a5\u53e3\u4e0e\u8f93\u51fa\u6392\u9488\u5206\u5e03\u5728\u677f\u8fb9&#xff0c;\u63a5\u7ebf\u65b9\u4fbf&#xff1b;\u529f\u7387\u5668\u4ef6\u4e0e\u4fe1\u53f7\u5668\u4ef6\u5206\u533a\u6446\u653e&#xff0c;\u517c\u987e\u6027\u80fd\u4e0e\u53ef\u710a\u6027\u3002<\/p>\n<h3>\u4e8c\u3001\u539f\u7406\u56fe\u5206\u6a21\u5757\u539f\u7406\u89e3\u6790<\/h3>\n<p>\u539f\u7406\u56fe\u91c7\u7528\u6a21\u5757\u5316\u5206\u533a\u8bbe\u8ba1&#xff0c;\u5171\u5206\u4e3a 7 \u4e2a\u529f\u80fd\u5355\u5143&#xff0c;\u8fb9\u754c\u6e05\u6670&#xff0c;\u4fbf\u4e8e\u8c03\u8bd5\u4e0e\u4fee\u6539\u3002<\/p>\n<h4>1. \u7535\u6e90\u8f93\u5165 &#043; \u4fdd\u62a4\u7535\u8def<\/h4>\n<p>\u4f5c\u4e3a\u6574\u673a\u7684\u8f93\u5165\u5173\u53e3&#xff0c;\u8be5\u6a21\u5757\u5b9e\u73b0\u7535\u6e90\u901a\u65ad\u3001\u8fc7\u6d41\u4fdd\u62a4\u4e0e\u9632\u53cd\u63a5\u529f\u80fd&#xff1a;<\/p>\n<ul>\n<li>\u65cb\u94ae\u5f00\u5173\u63a7\u5236\u6574\u673a\u7535\u6e90\u901a\u65ad&#xff0c;\u64cd\u4f5c\u76f4\u89c2<\/li>\n<li>\u4e32\u8054\u81ea\u6062\u590d\u4fdd\u9669\u4e1d&#xff0c;\u53d1\u751f\u8fc7\u6d41 \/ \u77ed\u8def\u65f6\u81ea\u52a8\u9650\u6d41&#xff0c;\u6545\u969c\u6392\u9664\u540e\u81ea\u52a8\u6062\u590d<\/li>\n<li>\u9632\u53cd\u63a5\u4e8c\u6781\u7ba1\u8bbe\u8ba1&#xff0c;\u7535\u6e90\u6b63\u8d1f\u6781\u63a5\u53cd\u65f6\u7535\u8def\u4e0d\u5bfc\u901a&#xff0c;\u4fdd\u62a4\u540e\u7aef\u6240\u6709\u82af\u7247<\/li>\n<\/ul>\n<h4>2. \u8f93\u5165\u7535\u538b\u68c0\u6d4b\u7535\u8def<\/h4>\n<p>\u901a\u8fc7\u7535\u963b\u5206\u538b\u91c7\u96c6\u8f93\u5165\u7535\u538b&#xff0c;\u7ecf\u4e13\u7528\u9a71\u52a8\u82af\u7247\u540e\u7531\u4e09\u4f4d\u6570\u7801\u7ba1\u5b9e\u65f6\u663e\u793a\u3002<\/p>\n<ul>\n<li>\u663e\u793a\u7cbe\u5ea6 0.1V&#xff0c;\u6ee1\u8db3\u65e5\u5e38\u8c03\u8bd5\u7684\u7535\u538b\u89c2\u6d4b\u9700\u6c42<\/li>\n<li>\u65e0\u9700\u989d\u5916\u4e07\u7528\u8868&#xff0c;\u4e0a\u7535\u5373\u53ef\u5feb\u901f\u5224\u65ad\u8f93\u5165\u662f\u5426\u6b63\u5e38&#xff0c;\u5927\u5e45\u63d0\u5347\u8c03\u8bd5\u6548\u7387<\/li>\n<\/ul>\n<h4>3. VIN \u2192 5V Buck \u964d\u538b\u7535\u8def<\/h4>\n<p>\u8fd9\u662f\u677f\u5b50\u7684\u4e3b\u529b\u529f\u7387\u901a\u8def&#xff0c;\u91c7\u7528 Buck \u5f00\u5173\u964d\u538b\u62d3\u6251&#xff0c;\u6838\u5fc3\u4e3a TO-263 \u5c01\u88c5\u7684\u964d\u538b\u82af\u7247&#xff1a;<\/p>\n<ul>\n<li>\u8f93\u5165\u7535\u538b\u8303\u56f4&#xff1a;7~15V<\/li>\n<li>\u8f93\u51fa\u89c4\u683c&#xff1a;5V&#xff0c;\u652f\u6301\u5927\u7535\u6d41\u8f93\u51fa&#xff0c;\u53ef\u6ee1\u8db3\u7535\u673a\u3001FPGA \u7b49\u5927\u529f\u7387\u8d1f\u8f7d<\/li>\n<li>\u5916\u56f4\u642d\u914d\u529f\u7387\u7535\u611f\u3001\u7eed\u6d41\u4e8c\u6781\u7ba1\u4e0e\u591a\u5c42\u6ee4\u6ce2\u7535\u5bb9&#xff0c;\u4fdd\u8bc1\u8f93\u51fa\u7eb9\u6ce2\u5904\u4e8e\u8f83\u4f4e\u6c34\u5e73<\/li>\n<\/ul>\n<h4>4. 5V \u2192 3.3V LDO \u964d\u538b\u7535\u8def<\/h4>\n<p>\u91c7\u7528\u7ebf\u6027\u7a33\u538b\u82af\u7247\u5b9e\u73b0 5V \u8f6c 3.3V&#xff0c;\u662f\u7ecf\u5178\u7684 LDO \u5e94\u7528\u7535\u8def&#xff1a;<\/p>\n<ul>\n<li>\u4f18\u52bf&#xff1a;\u8f93\u51fa\u7eb9\u6ce2\u6781\u4f4e\u3001\u7535\u6e90\u566a\u58f0\u5c0f\u3001\u7535\u8def\u7b80\u5355<\/li>\n<li>\u9002\u7528\u573a\u666f&#xff1a;MCU \u5185\u6838\u3001\u4f20\u611f\u5668\u3001\u6a21\u62df\u7535\u8def\u7b49\u5bf9\u7535\u6e90\u8d28\u91cf\u8981\u6c42\u9ad8\u7684\u5668\u4ef6<\/li>\n<li>\u914d\u5907\u72ec\u7acb 3.3V \u6307\u793a\u706f&#xff0c;\u8f93\u51fa\u6b63\u5e38\u65f6\u5e38\u4eae<\/li>\n<\/ul>\n<h4>5. 3.3V \u2192 5V Boost \u5347\u538b\u7535\u8def<\/h4>\n<p>\u91c7\u7528 Boost \u5347\u538b\u62d3\u6251&#xff0c;\u5b9e\u73b0\u4f4e\u538b\u5230\u9ad8\u538b\u7684\u8f6c\u6362&#xff1a;<\/p>\n<ul>\n<li>\u8f93\u5165&#xff1a;3.3V<\/li>\n<li>\u8f93\u51fa&#xff1a;5V&#xff0c;\u53ef\u63d0\u4f9b\u6570\u767e\u6beb\u5b89\u8f93\u51fa\u80fd\u529b<\/li>\n<li>\u9002\u7528\u573a\u666f&#xff1a;\u7535\u6c60\u4f4e\u538b\u4f9b\u7535\u3001\u53cd\u5411\u5347\u538b\u7b49\u7279\u6b8a\u4f9b\u7535\u573a\u666f<\/li>\n<li>\u72ec\u7acb\u8f93\u51fa\u63a5\u53e3\u4e0e\u5de5\u4f5c\u6307\u793a\u706f&#xff0c;\u652f\u6301\u5355\u72ec\u6d4b\u8bd5\u4e0e\u4f7f\u7528<\/li>\n<\/ul>\n<h4>6. Type-C \u2192 5V \u4f9b\u7535\u7535\u8def<\/h4>\n<p>\u96c6\u6210 Type-C \u8f93\u5165\u63a5\u53e3&#xff0c;\u652f\u6301\u666e\u901a Type-C \u7535\u6e90\u7ebf\u76f4\u63a5\u8f93\u5165 5V \u4f9b\u7535&#xff1a;<\/p>\n<ul>\n<li>\u9002\u914d\u624b\u673a\u5145\u7535\u5668\u3001\u5145\u7535\u5b9d\u7b49\u5e38\u89c1 Type-C \u7535\u6e90&#xff0c;\u4f7f\u7528\u573a\u666f\u66f4\u7075\u6d3b<\/li>\n<li>\u8f93\u5165\u540e\u63a5\u5165\u7edf\u4e00\u7535\u6e90\u7f51\u7edc&#xff0c;\u4e0e DC \u8f93\u5165\u901a\u8def\u4e92\u8865<\/li>\n<\/ul>\n<h4>7. \u7535\u6e90\u8f93\u51fa\u63a5\u53e3<\/h4>\n<p>\u6240\u6709\u7535\u538b\u8f93\u51fa\u5747\u901a\u8fc7\u6392\u9488\u5ea7\u5f15\u51fa&#xff0c;\u5305\u542b 5V \u5347\u538b\u30013.3V \u964d\u538b\u30015V \u964d\u538b\u4e09\u8def\u72ec\u7acb\u8f93\u51fa&#xff0c;\u540c\u65f6\u5f15\u51fa\u516c\u5171\u5730&#xff0c;\u53ef\u76f4\u63a5\u7528\u675c\u90a6\u7ebf\u8fde\u63a5\u5916\u90e8\u7535\u8def&#xff0c;\u4f7f\u7528\u4fbf\u6377\u3002<\/p>\n<h3>\u4e09\u3001PCB \u8bbe\u8ba1\u5173\u952e\u8981\u70b9&#xff08;\u5f00\u5173\u7535\u6e90\u5fc5\u770b&#xff09;<\/h3>\n<p>\u5f00\u5173\u7535\u6e90\u7684 PCB \u5e03\u5c40\u76f4\u63a5\u51b3\u5b9a\u8f93\u51fa\u7a33\u5b9a\u6027\u3001\u7eb9\u6ce2\u5927\u5c0f\u548c EMI \u6027\u80fd&#xff0c;\u672c\u8bbe\u8ba1\u91cd\u70b9\u505a\u4e86\u4ee5\u4e0b\u4f18\u5316&#xff1a;<\/p>\n<li>\u529f\u7387\u73af\u8def\u6700\u5c0f\u5316&#xff1a;Buck\u3001Boost \u7684\u7535\u611f\u3001\u7eed\u6d41\u4e8c\u6781\u7ba1\u3001\u6ee4\u6ce2\u7535\u5bb9\u7d27\u8d34\u82af\u7247\u6446\u653e&#xff0c;\u5c3d\u53ef\u80fd\u7f29\u77ed\u529f\u7387\u56de\u8def\u8d70\u7ebf&#xff0c;\u51cf\u5c0f\u73af\u8def\u9762\u79ef&#xff0c;\u964d\u4f4e\u7535\u78c1\u5e72\u6270<\/li>\n<li>\u529f\u80fd\u5206\u533a\u5e03\u5c40&#xff1a;\u529f\u7387\u5668\u4ef6&#xff08;\u7535\u611f\u3001\u5927\u7535\u5bb9\u3001\u7535\u6e90\u82af\u7247&#xff09;\u96c6\u4e2d\u5728\u677f\u5b50\u4e00\u4fa7&#xff0c;\u6570\u7801\u7ba1\u3001\u7535\u538b\u91c7\u6837\u7b49\u5f31\u4fe1\u53f7\u7535\u8def\u8fdc\u79bb\u529f\u7387\u533a\u57df&#xff0c;\u907f\u514d\u7535\u611f\u78c1\u573a\u5e72\u6270\u5bfc\u81f4\u7535\u538b\u663e\u793a\u8df3\u53d8<\/li>\n<li>\u63a5\u5730\u4f18\u5316&#xff1a;\u91c7\u7528\u5927\u9762\u79ef\u94fa\u5730&#xff0c;\u529f\u7387\u5730\u4e0e\u4fe1\u53f7\u5730\u5355\u70b9\u8fde\u63a5&#xff0c;\u907f\u514d\u5730\u7535\u6d41\u4e32\u6270<\/li>\n<li>\u901a\u6d41\u8bbe\u8ba1&#xff1a;\u529f\u7387\u8def\u5f84\u8d70\u7ebf\u9002\u5f53\u52a0\u5bbd&#xff0c;\u6ee1\u8db3\u5927\u7535\u6d41\u901a\u6d41\u9700\u6c42&#xff0c;\u907f\u514d\u8d70\u7ebf\u53d1\u70ed<\/li>\n<li>\u7535\u5bb9\u5c31\u8fd1\u539f\u5219&#xff1a;\u8f93\u5165\u3001\u8f93\u51fa\u6ee4\u6ce2\u7535\u5bb9\u5c3d\u53ef\u80fd\u9760\u8fd1\u82af\u7247\u5f15\u811a&#xff0c;\u6700\u5927\u5316\u6ee4\u6ce2\u6548\u679c<\/li>\n<h3>\u56db\u3001\u710a\u63a5\u8c03\u8bd5\u7ecf\u9a8c\u5206\u4eab<\/h3>\n<li>\u710a\u63a5\u987a\u5e8f&#xff1a;\u5efa\u8bae\u9075\u5faa \u201c\u5148\u529f\u7387\u540e\u4fe1\u53f7\u3001\u5148\u8f93\u5165\u540e\u8f93\u51fa\u201d \u7684\u539f\u5219&#xff0c;\u5148\u710a\u8f93\u5165\u4fdd\u62a4\u4e0e Buck \u4e3b\u7535\u8def&#xff0c;\u6d4b\u8bd5 5V \u6b63\u5e38\u540e&#xff0c;\u518d\u4f9d\u6b21\u710a\u63a5 LDO\u3001Boost\u3001\u6570\u7801\u7ba1\u90e8\u5206&#xff0c;\u9010\u7ea7\u6392\u67e5\u95ee\u9898<\/li>\n<li>\u521d\u6b21\u4e0a\u7535&#xff1a;\u63a8\u8350\u4f7f\u7528\u53ef\u8c03\u7535\u6e90\u9650\u6d41\u4f9b\u7535&#xff0c;\u9010\u6b65\u5347\u9ad8\u7535\u538b&#xff0c;\u907f\u514d\u77ed\u8def\u76f4\u63a5\u70e7\u6bc1\u5668\u4ef6<\/li>\n<li>\u5e38\u89c1\u95ee\u9898\u6392\u67e5&#xff1a;\n<ul>\n<li>\u8f93\u51fa\u7535\u538b\u504f\u5dee&#xff1a;\u4f18\u5148\u68c0\u67e5\u53cd\u9988\u7535\u963b\u963b\u503c\u3001\u710a\u63a5\u662f\u5426\u865a\u710a<\/li>\n<li>\u8f93\u51fa\u7eb9\u6ce2\u504f\u5927&#xff1a;\u68c0\u67e5\u6ee4\u6ce2\u7535\u5bb9\u662f\u5426\u710a\u63a5\u5230\u4f4d&#xff0c;\u7535\u611f\u9009\u578b\u662f\u5426\u5339\u914d\u82af\u7247\u89c4\u683c<\/li>\n<li>\u6570\u7801\u7ba1\u6570\u503c\u8df3\u53d8&#xff1a;\u68c0\u67e5\u91c7\u6837\u8d70\u7ebf\u662f\u5426\u9760\u8fd1\u529f\u7387\u7535\u611f&#xff0c;\u53ef\u589e\u52a0\u6ee4\u6ce2\u7535\u5bb9\u4f18\u5316<\/li>\n<\/ul>\n<\/li>\n<h3>\u4e94\u3001\u9002\u7528\u573a\u666f<\/h3>\n<li>\u7535\u5b50\u8bbe\u8ba1\u7ade\u8d5b&#xff1a;\u53ef\u76f4\u63a5\u4f5c\u4e3a\u7535\u8d5b\u4f5c\u54c1\u7684\u7535\u6e90\u5b50\u7cfb\u7edf&#xff0c;\u6ee1\u8db3\u591a\u8def\u4f9b\u7535\u9700\u6c42<\/li>\n<li>\u8bfe\u7a0b\u8bbe\u8ba1 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\u7535\u8def&#xff0c;\u90fd\u4f1a\u4ea7\u751f\u4e00\u4e2a\u7591\u95ee&#xff1a;\u4e24\u8def\u7535\u538b\u4e92\u76f8\u8f6c\u6362&#xff0c;\u662f\u4e0d\u662f\u91cd\u590d\u8bbe\u8ba1\u3001\u767d\u767d\u589e\u52a0\u635f\u8017&#xff1f;\u8fd9\u91cc\u7edf\u4e00\u505a\u4e00\u4e0b\u62c6\u89e3\u8bf4\u660e\u3002<\/p>\n<h4>1. \u6838\u5fc3\u8bef\u533a&#xff1a;\u4e8c\u8005\u5e76\u975e\u7ea7\u8054\u5faa\u73af&#xff0c;\u800c\u662f\u72ec\u7acb\u53cc\u5411\u652f\u8def<\/h4>\n<p>\u9996\u5148\u5fc5\u987b\u660e\u786e&#xff1a;\u8fd9\u4e24\u6761\u7535\u8def\u662f\u5b8c\u5168\u72ec\u7acb\u3001\u65b9\u5411\u76f8\u53cd\u7684\u4f9b\u7535\u901a\u8def&#xff0c;\u4e0d\u5b58\u5728 \u201c5V \u8f6c 3.3V \u518d\u8f6c\u56de 5V\u201d \u7684\u4e32\u8054\u5faa\u73af\u635f\u8017\u3002<\/p>\n<ul>\n<li>5V\u21923.3V&#xff08;LDO \u652f\u8def&#xff09;&#xff1a;\u8f93\u5165\u6765\u81ea\u524d\u7ea7 Buck \u8f93\u51fa\u7684 5V \u6216 Type-C \u8f93\u5165\u7684 5V&#xff0c;\u5c5e\u4e8e\u9ad8\u538b\u8f6c\u4f4e\u538b\u7684\u964d\u538b\u94fe\u8def&#xff0c;\u662f\u7cfb\u7edf\u7684\u4e3b\u4f9b\u7535\u652f\u8def\u3002<\/li>\n<li>3.3V\u21925V&#xff08;Boost \u652f\u8def&#xff09;&#xff1a;\u8f93\u5165\u4e3a\u5916\u90e8\u72ec\u7acb\u7684 3.3V \u7535\u6e90 \/ \u7535\u6c60\u7ec4&#xff0c;\u5c5e\u4e8e\u4f4e\u538b\u8f6c\u9ad8\u538b\u7684\u5347\u538b\u94fe\u8def&#xff0c;\u662f\u6269\u5c55\u4f9b\u7535\u652f\u8def\u3002<\/li>\n<\/ul>\n<h4>2. \u4e24\u6761\u652f\u8def\u7684\u5b9a\u4f4d\u4e0e\u5e94\u7528\u573a\u666f\u5b8c\u5168\u4e0d\u540c<\/h4>\n<h5>&#xff08;1&#xff09;5V\u21923.3V LDO&#xff1a;\u4f4e\u566a\u58f0\u4e3b\u4f9b\u7535\u6838\u5fc3<\/h5>\n<p>\u8fd9\u6761\u652f\u8def\u662f\u7edd\u5927\u591a\u6570\u573a\u666f\u4e0b\u7684\u4e3b\u529b\u901a\u8def&#xff0c;\u4f5c\u7528\u662f\u5c06\u5f00\u5173\u7535\u6e90\u8f93\u51fa\u7684 5V \u8fdb\u4e00\u6b65\u7a33\u538b\u4e3a\u4f4e\u7eb9\u6ce2\u3001\u4f4e\u566a\u58f0\u7684 3.3V&#xff0c;\u4e13\u4e3a MCU\u3001FPGA\u3001\u7cbe\u5bc6\u4f20\u611f\u5668\u3001\u6a21\u62df\u7535\u8def\u7b49\u5bf9\u7535\u6e90\u566a\u58f0\u654f\u611f\u7684\u5668\u4ef6\u4f9b\u7535\u3002 LDO \u7684\u4f4e\u566a\u58f0\u7279\u6027\u662f\u5f00\u5173\u7535\u6e90\u65e0\u6cd5\u66ff\u4ee3\u7684&#xff0c;\u662f\u6570\u5b57\u7cfb\u7edf\u5185\u6838\u3001\u7cbe\u5bc6\u6a21\u62df\u7535\u8def\u4f9b\u7535\u7684\u4e3b\u6d41\u65b9\u6848\u3002<\/p>\n<h5>&#xff08;2&#xff09;3.3V\u21925V Boost&#xff1a;\u4f4e\u538b\u8f93\u5165\u7684\u53cd\u5411\u5347\u538b\u6269\u5c55<\/h5>\n<p>\u8fd9\u6761\u652f\u8def\u9488\u5bf9\u7279\u6b8a\u4f4e\u538b\u8f93\u5165\u573a\u666f\u8bbe\u8ba1&#xff0c;\u6bd4\u5982\u5355\u8282\u9502\u7535\u6c60\u4f9b\u7535\u7cfb\u7edf\u30013.3V \u4f4e\u529f\u8017\u4e3b\u63a7\u677f&#xff0c;\u901a\u8fc7 Boost \u5347\u538b\u5f97\u5230 5V&#xff0c;\u9a71\u52a8 USB \u5916\u8bbe\u30015V \u4f20\u611f\u5668\u3001\u5c0f\u529f\u7387\u6267\u884c\u5668\u7b49\u9700\u8981 5V \u7535\u538b\u7684\u6a21\u5757\u3002 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