{"id":8049,"date":"2025-02-14T17:26:53","date_gmt":"2025-02-14T09:26:53","guid":{"rendered":"https:\/\/www.hotchip.com.cn\/?p=8049"},"modified":"2025-02-14T17:26:57","modified_gmt":"2025-02-14T09:26:57","slug":"ldo-vs-dc-dc","status":"publish","type":"post","link":"https:\/\/www.hotchip.com.cn\/ldo-vs-dc-dc\/","title":{"rendered":"LDO vs DC-DC\uff1a\u7535\u6e90\u7ba1\u7406\u82af\u7247\u600e\u4e48\u9009\uff1f\u4e00\u6587\u770b\u61c2\u533a\u522b\u4e0e\u5e94\u7528\u573a\u666f"},"content":{"rendered":"

\u5728\u7535\u5b50\u8bbe\u5907\u4e2d\uff0c\u7535\u6e90\u7ba1\u7406\u82af\u7247<\/a>\u5c31\u50cf\u201c\u80fd\u91cf\u7ba1\u5bb6\u201d\uff0c\u76f4\u63a5\u5f71\u54cd\u8bbe\u5907\u7684\u7eed\u822a\u3001\u6027\u80fd\u548c\u7a33\u5b9a\u6027\u3002\u800cLDO<\/strong>\u548cDC-DC<\/strong>\u4f5c\u4e3a\u4e24\u5927\u4e3b\u6d41\u7535\u6e90\u65b9\u6848\uff0c\u5e38\u5e38\u8ba9\u5de5\u7a0b\u5e08\u548c\u91c7\u8d2d\u4eba\u5458\u9677\u5165\u201c\u9009\u62e9\u56f0\u96be\u75c7\u201d\u3002\u672c\u6587\u7528\u6700\u901a\u4fd7\u7684\u8bed\u8a00\uff0c\u4ece\u5de5\u4f5c\u539f\u7406\u5230\u9009\u578b\u6307\u5357\uff0c\u5e2e\u4f60\u5f7b\u5e95\u7406\u6e05\u4e24\u8005\u7684\u533a\u522b\uff0c\u52a9\u4f60\u8f7b\u677e\u627e\u5230\u6700\u9002\u5408\u7684\u7535\u6e90\u65b9\u6848\uff01<\/p>

\"\u534e\u82af\u90a6HX1117<\/figure>

\u4e00\u3001LDO\u4e0eDC-DC\u7684\u901a\u4fd7\u7c7b\u6bd4<\/strong><\/h2>

\u5982\u679c\u628a\u4f9b\u7535\u6bd4\u4f5c\u201c\u4f9b\u6c34\u7cfb\u7edf\u201d\uff0c\u5b83\u4eec\u7684\u533a\u522b\u4e00\u76ee\u4e86\u7136\uff1a<\/p>

\u7535\u6e90\u7c7b\u578b<\/strong><\/strong><\/td>\u5de5\u4f5c\u539f\u7406<\/strong><\/strong><\/td>\u751f\u6d3b\u7c7b\u6bd4<\/strong><\/strong><\/td>\u4e00\u53e5\u8bdd\u603b\u7ed3<\/strong><\/strong><\/td><\/tr>
LDO<\/strong><\/td>\u7ebf\u6027\u8c03\u538b\uff0c\u76f4\u63a5\u201c\u622a\u65ad\u201d\u591a\u4f59\u7535\u538b<\/td>\u624b\u52a8\u8c03\u8282\u6c34\u9f99\u5934\uff0c\u6c34\u6d41\u7a33\u5b9a\u4f46\u6d6a\u8d39\u6c34<\/td>\u7b80\u5355\u7701\u5fc3\uff0c\u4f46\u6548\u7387\u4f4e<\/strong><\/td><\/tr>
DC-DC<\/strong><\/td>\u5f00\u5173\u5f0f\u8c03\u538b\uff0c\u9ad8\u6548\u201c\u80fd\u91cf\u642c\u8fd0\u201d<\/td>\u81ea\u52a8\u62bd\u6c34\u673a+\u6c34\u6876\uff0c\u6309\u9700\u4f9b\u6c34\u5c11\u6d6a\u8d39<\/td>\u590d\u6742\u4f46\u9ad8\u6548\uff0c\u9002\u5408\u5927\u529f\u7387<\/strong><\/td><\/tr><\/tbody><\/table><\/figure>

\u4e8c\u3001\u516d\u5927\u7ef4\u5ea6\u5bf9\u6bd4\uff1aLDO\u548cDC-DC\u600e\u4e48\u9009\uff1f<\/strong><\/h2>

1.\u00a0\u6548\u7387\u5bf9\u6bd4\uff1a\u8c01\u66f4\u7701\u7535\uff1f<\/strong><\/h4>
  • LDO<\/strong>\uff1a\u6548\u7387=\u8f93\u51fa\u7535\u538b\/\u8f93\u5165\u7535\u538b
    • \u4f8b\uff1a5V\u21923.3V\uff0c\u6548\u7387\u4ec566%\uff0c\u5269\u4f59\u7535\u538b\u5168\u53d8\u70ed\u91cf\uff01<\/li><\/ul>
      • \u9002\u5408\u573a\u666f<\/strong>\uff1a\u8f93\u5165\u8f93\u51fa\u7535\u538b\u5dee\u5c0f\uff08\u59825V\u21923.3V\uff09<\/li><\/ul><\/li><\/ul>
        • DC-DC<\/strong>\uff1a\u6548\u7387\u666e\u904d80%-95%
          • \u901a\u8fc7\u5f00\u5173\u7535\u8def\u201c\u5faa\u73af\u5229\u7528\u201d\u80fd\u91cf\uff0c\u51e0\u4e4e\u4e0d\u6d6a\u8d39<\/li><\/ul>
            • \u9002\u5408\u573a\u666f<\/strong>\uff1a\u5927\u538b\u5dee\uff08\u598212V\u21921.8V\uff09\u3001\u5927\u7535\u6d41\u9700\u6c42<\/li><\/ul><\/li><\/ul>

              \u7ed3\u8bba<\/strong>\uff1a\u9700\u8981\u7701\u7535\u9009DC-DC\uff0c\u5c0f\u538b\u5dee\u7528LDO\u66f4\u5212\u7b97\u3002<\/p>

              2. \u566a\u58f0\u4e0e\u5e72\u6270\uff1a\u8c01\u66f4\u201c\u5b89\u9759\u201d\uff1f<\/strong><\/strong><\/h4>
              • LDO<\/strong>\uff1a\u8f93\u51fa\u5982\u201c\u5e73\u9759\u6e56\u6c34\u201d\uff0c\u51e0\u4e4e\u65e0\u566a\u58f0
                • \u4f18\u52bf\u573a\u666f<\/strong>\uff1a\u5bf9\u566a\u58f0\u654f\u611f\u7684\u7535\u8def\uff08\u5982\u4f20\u611f\u5668\u3001\u97f3\u9891\u6a21\u5757\uff09<\/li><\/ul><\/li>\n\n
                • DC-DC<\/strong>\uff1a\u5f00\u5173\u52a8\u4f5c\u4ea7\u751f\u201c\u6d9f\u6f2a\u6ce2\u7eb9\u201d
                  • \u9700\u989d\u5916\u6ee4\u6ce2\u7535\u8def\uff0c\u6210\u672c\u589e\u52a0<\/li><\/ul>
                    • \u614e\u7528\u573a\u666f<\/strong>\uff1a\u7cbe\u5bc6\u6d4b\u91cf\u3001\u5c04\u9891\u7535\u8def<\/li><\/ul><\/li><\/ul>

                      \u9009\u578b\u63d0\u793a<\/strong>\uff1a\u533b\u7597\u8bbe\u5907\u3001\u901a\u4fe1\u6a21\u5757\u4f18\u9009LDO\uff0c\u5de5\u4e1a\u7535\u673a\u9a71\u52a8\u53ef\u7528DC-DC\u3002<\/p>

                      3. \u53d1\u70ed\u4e0e\u6563\u70ed\uff1a\u8c01\u9700\u8981\u201c\u9000\u70e7\u8d34\u201d\uff1f<\/strong><\/strong><\/h4>
                      • LDO<\/strong>\uff1a\u538b\u5dee\u8d8a\u5927\uff0c\u53d1\u70ed\u8d8a\u4e25\u91cd
                        • \u4f8b\uff1a5V\u21921.8V\uff0c70%\u80fd\u91cf\u53d8\u70ed\u91cf\uff01\u9700\u52a0\u6563\u70ed\u7247<\/li><\/ul>
                          • \u81f4\u547d\u7f3a\u70b9<\/strong>\uff1a\u9ad8\u6e29\u53ef\u80fd\u70e7\u6bc1\u82af\u7247<\/li><\/ul><\/li>\n\n
                          • DC-DC<\/strong>\uff1a\u53d1\u70ed\u91cf\u4f4e\uff0c\u8f7b\u677e\u5e94\u5bf9\u5927\u529f\u7387
                            • \u4f8b\uff1a\u624b\u673a\u5feb\u5145\u5934\u666e\u904d\u91c7\u7528DC-DC\u65b9\u6848<\/li><\/ul><\/li><\/ul>

                              \u8bbe\u8ba1\u53e3\u8bc0<\/strong>\uff1a\u6015\u70eb\u624b\uff1f\u5927\u529f\u7387\u573a\u666f\u65e0\u8111\u9009DC-DC\uff01<\/p>

                              4. \u7535\u8def\u590d\u6742\u5ea6\uff1a\u8c01\u66f4\u5bb9\u6613\u8bbe\u8ba1\uff1f<\/strong><\/strong><\/h4>
                              \u5bf9\u6bd4\u9879<\/strong><\/strong><\/td>LDO<\/strong><\/strong><\/td>DC-DC<\/strong><\/strong><\/td><\/tr>
                              \u5916\u56f4\u5143\u4ef6<\/td>\u4ec5\u97001-2\u9897\u7535\u5bb9<\/td>\u9700\u7535\u611f\u3001\u4e8c\u6781\u7ba1\u3001MOS\u7ba1<\/td><\/tr>
                              \u8bbe\u8ba1\u96be\u5ea6<\/td>\u5c0f\u767d\u53cb\u597d\uff0c\u5373\u63d2\u5373\u7528<\/td>\u9700\u8ba1\u7b97\u53c2\u6570\uff0c\u8c03\u8bd5\u95e8\u69db\u9ad8<\/td><\/tr>
                              \u5e03\u5c40\u8981\u6c42<\/td>\u65e0\u7279\u6b8a\u9650\u5236<\/td>\u9700\u907f\u514d\u5f00\u5173\u566a\u58f0\u5e72\u6270<\/td><\/tr><\/tbody><\/table><\/figure>

                              \u5ba2\u6237\u4ef7\u503c<\/strong>\uff1aLDO\u53ef\u7f29\u77ed\u7814\u53d1\u5468\u671f\uff0cDC-DC\u9700\u4e13\u4e1a\u56e2\u961f\u652f\u6301\u3002<\/p>

                              5. \u6210\u672c\u5bf9\u6bd4\uff1a\u8c01\u66f4\u7701\u94b1\uff1f<\/strong><\/strong><\/h4>
                              • LDO<\/strong>\uff1a\u82af\u7247\u4ef7\u683c\u4f4e\uff080.1-1\u7f8e\u5143\uff09\uff0c\u8bbe\u8ba1\u6210\u672c\u51e0\u4e4e\u4e3a\u96f6<\/li>\n\n
                              • DC-DC<\/strong>\uff1a\u82af\u7247\u8d35\uff081-5\u7f8e\u5143\uff09+\u5916\u56f4\u5143\u4ef6\u6210\u672c\u9ad8
                                • \u4f46\u5927\u529f\u7387\u573a\u666f\u957f\u671f\u7701\u7535\uff0c\u7efc\u5408\u6210\u672c\u66f4\u4f4e\uff1b<\/li><\/ul><\/li><\/ul>

                                  \u91c7\u8d2d\u5efa\u8bae<\/strong>\uff1a<\/p>

                                  • \u6d88\u8d39\u7535\u5b50\uff08\u5982\u84dd\u7259\u8033\u673a\uff09\uff1a\u5c0f\u7535\u6d41\u9009LDO\uff1b<\/li><\/ul>
                                    • \u5de5\u4e1a\u8bbe\u5907\uff08\u5982\u4f3a\u670d\u9a71\u52a8\u5668\uff09\uff1a\u5927\u529f\u7387\u5fc5\u9009DC-DC\uff1b<\/li><\/ul>

                                      6. \u5178\u578b\u5e94\u7528\u573a\u666f<\/strong><\/strong><\/h4>
                                      \u9886\u57df<\/strong><\/strong><\/td>LDO\u9002\u7528\u573a\u666f<\/strong><\/strong><\/td>DC-DC\u9002\u7528\u573a\u666f<\/strong><\/strong><\/td><\/tr>
                                      \u6d88\u8d39\u7535\u5b50<\/td>\u624b\u673a\u5f85\u673a\u4f9b\u7535\u3001TWS\u8033\u673a<\/td>\u5feb\u5145\u6a21\u5757\u3001\u7b14\u8bb0\u672c\u4e3b\u677f<\/td><\/tr>
                                      \u7269\u8054\u7f51<\/td>\u4f4e\u529f\u8017\u4f20\u611f\u5668\u3001BLE\u6a21\u7ec4<\/td>\u7f51\u5173\u8bbe\u5907\u30014G\u901a\u4fe1\u6a21\u5757<\/td><\/tr>
                                      \u5de5\u4e1a\u63a7\u5236<\/td>\u4fe1\u53f7\u8c03\u7406\u7535\u8def\u3001PLC\u8f93\u5165<\/td>\u7535\u673a\u9a71\u52a8\u3001\u4f3a\u670d\u63a7\u5236\u5668<\/td><\/tr>
                                      \u6c7d\u8f66\u7535\u5b50<\/td>ECU\u5fae\u63a7\u5236\u5668\u4f9b\u7535<\/td>LED\u8f66\u706f\u9a71\u52a8\u3001\u8f66\u8f7d\u5145\u7535\u5668<\/td><\/tr><\/tbody><\/table><\/figure>

                                      \u4e09\u3001\u9009\u578b\u51b3\u7b56\u6811\uff1a3\u6b65\u9501\u5b9a\u6700\u4f73\u65b9\u6848<\/strong><\/h2>
                                      1. \u770b\u538b\u5dee<\/strong>\uff1a\u8f93\u5165\/\u8f93\u51fa\u7535\u538b\u5dee\uff1e1V\uff1f\u2192 \u9009DC-DC<\/li>\n\n
                                      2. \u770b\u7535\u6d41<\/strong>\uff1a\u8d1f\u8f7d\u7535\u6d41\uff1e500mA\uff1f\u2192 \u9009DC-DC<\/li>\n\n
                                      3. \u770b\u566a\u58f0<\/strong>\uff1a\u7535\u8def\u4e2d\u6709ADC\/\u4f20\u611f\u5668\uff1f\u2192 \u9009LDO<\/li><\/ol>

                                        \u56db\u3001\u6211\u4eec\u7684\u89e3\u51b3\u65b9\u6848\uff1a\u4e3a\u60a8\u7684\u9700\u6c42\u7cbe\u51c6\u5339\u914d<\/strong><\/strong><\/h2>

                                        \u534e\u82af\u90a6\u6df1\u8015\u7535\u6e90\u7ba1\u7406\u82af\u7247\u9886\u57df10\u5e74\uff0c\u63d0\u4f9b\u5168\u573a\u666f\u8986\u76d6\u7684LDO\u4e0eDC-DC\u4ea7\u54c1\uff1a<\/p>

                                        • LDO\u7cfb\u5217<\/strong>\uff1a\u8d85\u4f4e\u566a\u58f0\uff08PSRR\uff1e70dB\uff09\u3001\u9759\u6001\u7535\u6d41\uff1c1\u03bcA<\/li>\n\n
                                        • DC-DC\u7cfb\u5217<\/strong>\uff1a\u6548\u7387\u9ad8\u8fbe95%\uff0c\u652f\u630120A\u5927\u7535\u6d41\u8f93\u51fa<\/li><\/ul>

                                          \u5ba2\u6237\u6848\u4f8b<\/strong>\uff1a<\/p>

                                          • \u67d0\u667a\u80fd\u624b\u8868\u54c1\u724c\uff1a\u91c7\u7528\u6211\u4eec\u7684LDO\u5ef6\u957f\u5f85\u673a\u65f6\u95f430%\uff1b<\/li>\n\n
                                          • \u67d0\u65b0\u80fd\u6e90\u8f66\u4f01\uff1aDC-DC\u6a21\u5757\u52a9\u529b\u5145\u7535\u6548\u7387\u63d0\u5347\u81f394%\u3002<\/li><\/ul>","protected":false},"excerpt":{"rendered":"

                                            \u5728\u7535\u5b50\u8bbe\u5907\u4e2d\uff0c\u7535\u6e90\u7ba1\u7406\u82af\u7247\u5c31\u50cf\u201c\u80fd\u91cf\u7ba1\u5bb6 […]<\/p>\n","protected":false},"author":1,"featured_media":8051,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[29,30],"tags":[392,320,153],"class_list":["post-8049","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","category-hangyezixun","tag-dc-dc","tag-ldo","tag-153"],"yoast_head":"\nLDO vs DC-DC\uff1a\u7535\u6e90\u7ba1\u7406\u82af\u7247\u600e\u4e48\u9009\uff1f\u4e00\u6587\u770b\u61c2\u533a\u522b\u4e0e\u5e94\u7528\u573a\u666f - \u534e\u82af\u90a6\u5b98\u7f51<\/title>\n<meta name=\"description\" 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