{"id":22093,"date":"2023-01-30T09:00:58","date_gmt":"2023-01-30T01:00:58","guid":{"rendered":"https:\/\/techclass.wfjydl.com\/?p=22093"},"modified":"2023-01-29T10:23:13","modified_gmt":"2023-01-29T02:23:13","slug":"%e7%94%a8%e5%bc%80%e5%85%b3%e7%a8%b3%e5%8e%8b%e5%99%a8%e8%ae%be%e8%ae%a1%e6%82%a8%e8%87%aa%e5%b7%b1%e7%9a%84dc-dc%e8%bd%ac%e6%8d%a2%e5%99%a8","status":"publish","type":"post","link":"https:\/\/techclass.wfjydl.com\/knowledge\/dcdc\/dcdc_pwm\/dcdc-pwm06\/22093","title":{"rendered":"\u7528\u5f00\u5173\u7a33\u538b\u5668\u8bbe\u8ba1\u60a8\u81ea\u5df1\u7684DC-DC\u8f6c\u6362\u5668"},"content":{"rendered":"<p>\u901a\u8fc7\u4f7f\u7528\u5f00\u5173\u7a33\u538b\u5668\uff0c\u53ef\u4ee5\u663e\u8457\u6291\u5236\u7535\u8def\u7684\u53d1\u70ed\u91cf\uff0c\u4e0d\u4ec5\u66f4\u8282\u80fd\uff0c\u8fd8\u53ef\u4ee5\u51cf\u5c0f\u6563\u70ed\u5668\u5c3a\u5bf8\uff0c\u4ece\u800c\u80fd\u591f\u51cf\u5c0f\u7535\u8def\u89c4\u6a21\u5e76\u8bbe\u8ba1\u51fa\u4f4e\u53d1\u70ed\u7684\u7535\u6e90\u7535\u8def\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>\u76ee\u5f55<\/h2>\n<ol>\n<li><a 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src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2023\/01\/image001.jpg\" alt=\"image001\" width=\"940\" height=\"504\" \/><\/p>\n<p>\u8fd9\u6b21\u4f7f\u7528\u7684\u5f00\u5173\u7a33\u538b\u5668IC 极悦娱乐 BD9E301\u3002\u8868\u9762\u8d34\u88c5\u578bSOP8\u5c01\u88c5\uff0c\u4f46\u4e5f\u53ef\u901a\u8fc7\u8f6c\u6362\u677f\u5728\u4e07\u7528\u677f\u4e0a\u4f7f\u7528\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2 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href=\"https:\/\/www.wfjydl.com\/electronics-basics\/dc-dc-converters\/dcdc_what5\">\u5f00\u5173\u7a33\u538b\u5668\uff5c\u7535\u5b50\u5c0f\u767e\u79d1<\/a><\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"04\">\u521b\u5efaDC-DC\u8f6c\u6362\u5668\u7535\u8def<\/h2>\n<p>\u73b0\u5728\uff0c\u6211\u4eec\u8981\u4f7f\u7528\u5f00\u5173\u7a33\u538b\u5668IC\u5236\u4f5cDC-DC\u8f6c\u6362\u5668\u4e86\u3002<\/p>\n<p>\u8fd9\u6b21\uff0c\u6211\u4eec\u5c06\u4f7f\u7528\u4e00\u6b3e\u4ece12V\u7535\u6e90\u7684\u8f93\u5165\u53ef\u4ee5\u8f93\u51fa5V\/2A\u7684DC-DC\u8f6c\u6362\u5668\u3002\u8fd9\u4e2a\u8f93\u51fa\u89c4\u683c\u7684\u8bdd\uff0c\u53ef\u4ee5\u9a71\u52a8USB\u8bbe\u5907\uff0c\u56e0\u6b64\uff0c\u8fd8\u53ef\u4ee5\u8ba9\u60a8\u7684\u81ea\u5236\u8bbe\u5907\u5177\u5907USB\u5145\u7535\u5668\u529f\u80fd\u3002<\/p>\n<p>\u5f00\u5173\u7a33\u538b\u5668IC\u4f7f\u7528极悦娱乐\u7684BD9E301\u3002\u8be5IC\u5185\u7f6e\u6709FET\uff0c\u652f\u6301\u6700\u59272.5A\u7684\u8f93\u51fa\uff0c\u8f93\u5165\u7535\u538b\u8303\u56f4\u5bbd\uff087\uff5e36V\uff09\uff0c\u5177\u6709\u53ef\u901a\u8fc7\u5916\u7f6e\u7535\u963b\u81ea\u7531\u8c03\u6574\u8f93\u51fa\u7535\u538b\u7684\u529f\u80fd\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-22097\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2023\/01\/image002.jpg\" alt=\"image002\" width=\"601\" height=\"561\" \/><\/p>\n<p>BD9E301\u7684\u6280\u672f\u89c4\u683c\u4e66\u3002\u5f00\u5173\u7a33\u538b\u5668\u7684\u6280\u672f\u89c4\u683c\u4e66\u4e2d\u63d0\u4f9b\u4e86\u7535\u8def\u8bbe\u8ba1\u793a\u4f8b\uff0c\u53ef\u4ee5\u53c2\u8003\u793a\u4f8b\u521b\u5efa\u7535\u8def\u3002<br \/>\n\u51fa\u5904\uff1a<a href=\"https:\/\/www.wfjydl.com\/products\/power-management\/switching-regulators\/buck-step-down\/integrated-fet-synchronous\/bd9e301efj-lb_e2_-product\">7.0V\uff5e36V \u8f93\u5165\u30012.5A \u5185\u7f6eMOSFET 1ch \u540c\u6b65\u6574\u6d41\u964d\u538bDC-DC\u8f6c\u6362\u5668 \u2013 BD9E301EFJ-LB(E2) | wfjydl Co., Ltd.<\/a><\/p>\n<p>\u5728\u5f00\u5173\u7a33\u538b\u5668\u7684\u6280\u672f\u89c4\u683c\u4e66\u4e2d\uff0c\u9664\u4e86\u57fa\u672c\u89c4\u683c\u5916\uff0c\u8fd8\u63d0\u4f9b\u4e86\u7535\u8def\u8bbe\u8ba1\u793a\u4f8b\u548c\u56fe\u6848\u5e03\u5c40\u793a\u4f8b\u7b49\u5185\u5bb9\uff0c\u56e0\u6b64\u6211\u4eec\u5c06\u53c2\u8003\u6280\u672f\u89c4\u683c\u4e66\u8fdb\u884c\u7535\u8def\u8bbe\u8ba1\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-22098\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2023\/01\/image003.jpg\" alt=\"image003\" width=\"602\" height=\"401\" 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loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-22099\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2023\/01\/image004.jpg\" alt=\"image004\" width=\"602\" height=\"198\" 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0.7V\uff09\u7684\u7535\u538b\uff0c\u56e0\u6b64\u7406\u8bba\u4e0a\u5373\u4f7f\u7535\u538b\u964d\u81f37.2V\u4e5f\u80fd\u5de5\u4f5c\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-22100\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2023\/01\/image005.jpg\" alt=\"image005\" width=\"602\" height=\"401\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>\u6211\u4eec\u5df2\u7ecf\u521b\u5efa\u4e86\u4e00\u4e2a5V\/2A\u7684\u7535\u6e90\u7535\u8def\uff0c\u73b0\u5728\uff0c\u8ba9\u6211\u4eec\u5c06USB\u5f15\u811a\u8fde\u63a5\u5230\u8f93\u51fa\u90e8\u5206\uff0c\u4ee5\u4fbf\u4e3aUSB\u8bbe\u5907\u4f9b\u7535\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-22101\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2023\/01\/image006.jpg\" alt=\"image006\" width=\"602\" height=\"401\" \/><\/p>\n<p>\u5982\u679c\u60a8\u5c06USB\u5f15\u811a\u8fde\u63a5\u5230\u81ea\u5236\u76845V 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id=\"05\">\u521b\u5efaDC-DC\u8f6c\u6362\u5668\u7535\u8def<\/h2>\n<p>\u524d\u9762\u4e5f\u63d0\u5230\u8fc7\uff0c\u6700\u8fd1\u7684\u5f00\u5173IC\u7531\u4e8e\u5916\u7f6e\u5143\u5668\u4ef6\u5c11\uff0c\u7535\u8def\u8bbe\u8ba1\u6750\u6599\u4e5f\u4e30\u5bcc\uff0c\u56e0\u6b64\u4f7f\u7528\u5b83\u4eec\u53ef\u4ee5\u8f7b\u677e\u5730\u521b\u5efa\u5f00\u5173\u65b9\u5f0f\u7684\u964d\u538b\u7535\u8def\u3002<\/p>\n<p>\u5728\u5b9e\u9645\u7684\u7535\u6e90\u7535\u8def\u8bbe\u8ba1\u4e2d\uff0c\u60a8\u662f\u5426\u4e3a\u4e0d\u77e5\u9053\u8be5\u7528\u5f00\u5173\u7a33\u538b\u5668\u597d\u8fd8\u662f\u7528\u4e09\u7aef\u7a33\u538b\u5668\u597d\u800c\u70e6\u607c\u8fc7\u5462\uff1f<\/p>\n<p>\u5f00\u5173\u7a33\u538b\u5668\u7684\u9b45\u529b\u5728\u4e8e\u5176\u6548\u7387\u9ad8\uff0c\u4f46\u5728\u67d0\u4e9b\u7535\u8def\u5e94\u7528\u4e2d\uff0c\u8fd9\u9879\u4f18\u52bf\u53ef\u80fd\u65e0\u6cd5\u5145\u5206\u53d1\u6325\u51fa\u6765\u3002\u4f8b\u5982\uff0c\u5728\u4ec5\u4f7f\u7528\u5fae\u63a7\u5236\u5668\u548c\u51e0\u4e2aLED\u7684\u3001\u7535\u6d41\u4ec5\u51e0\u5341mA\u7684\u7535\u8def\u4e2d\uff0c\u5373\u4f7f\u63d0\u9ad8\u6548\u7387\uff0c\u4e5f\u6ca1\u6709\u592a\u5927\u7684\u5b9e\u7528\u4ef7\u503c\u3002<\/p>\n<p>\u6b64\u5916\uff0c\u5f00\u5173\u5f0f\u7535\u6e90\u7684\u6548\u7387\u4f1a\u968f\u7740\u8d1f\u8f7d\u7535\u6d41\u7684\u51cf\u5c0f\u800c\u964d\u4f4e\uff0c\u76f8\u53cd\u5730\uff0c\u4e09\u7aef\u7a33\u538b\u5668\u7684\u6548\u7387\u5219\u8f83\u597d\uff0c\u6b64\u65f6\u5f00\u5173\u7a33\u538b\u5668\u6240\u9700\u5143\u5668\u4ef6\u6570\u91cf\u591a\u3001\u566a\u58f0\u7eb9\u6ce2\u5927\u7b49\u7f3a\u70b9\u5c31\u663e\u5f97\u6bd4\u8f83\u7a81\u51fa\u4e86\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u4ece\u6574\u4f53\u6210\u672c\u4e0a\u770b\uff0c\u4f7f\u7528\u4e09\u7aef\u7a33\u538b\u5668\u66f4\u5177\u4f18\u52bf\u3002<\/p>\n<p>\u603b\u4f53\u800c\u8a00\uff0c\u4e0d\u8981\u7b80\u5355\u5730\u8ba4\u4e3a\u201c\u5f00\u5173\u7a33\u538b\u5668\u6548\u7387\u9ad8\u6240\u4ee5\u66f4\u597d\uff01\u201d\u800c\u9009\u62e9\u5b83\uff0c\u800c\u662f\u8981\u4ece\u529f\u8017\u548c\u7535\u8def\u5c3a\u5bf8\u7b49\u5404\u65b9\u9762\u56e0\u7d20\u7efc\u5408\u8003\u8651\u6765\u9009\u62e9\u5408\u9002\u7684\u65b9\u5f0f\uff0c\u8fd9\u4e00\u70b9\u5f88\u91cd\u8981\u3002<\/p>\n<p>&nbsp;<\/p>\n<table width=\"375\" style=\"width:375px;\">\n<tbody>\n<tr>\n<td style=\"background: #00b050;\" width=\"30%\"><\/td>\n<td style=\"background: #00b050;\" width=\"35%\">\u7ebf\u6027\u7a33\u538b\u5668<\/td>\n<td style=\"background: #00b050;\" width=\"35%\">\u5f00\u5173\u7a33\u538b\u5668<\/td>\n<\/tr>\n<tr>\n<td style=\"background: #92d050;\">\u964d\u538b<br \/>\n\u5347\u538b<br \/>\n\u5347\u964d\u538b<br \/>\n\u53cd\u76f8<\/td>\n<td style=\"background: #92d050;\">\u53ef<br \/>\n\u4e0d\u53ef<br \/>\n\u4e0d\u53ef<br \/>\n\u4e0d\u53ef<\/td>\n<td style=\"background: #92d050;\">\u53ef<br \/>\n\u53ef<br \/>\n\u53ef<br \/>\n\u53ef<\/td>\n<\/tr>\n<tr>\n<td style=\"background: #ebf1de;\">\u6548\u7387<\/td>\n<td style=\"background: #ebf1de;\">\u901a\u5e38VO\/VIN<br \/>\n\u8f83\u4f4e<\/td>\n<td style=\"background: #ebf1de;\">\uff5e95%\u5de6\u53f3<br \/>\n\u901a\u5e38\u8f83\u9ad8<\/td>\n<\/tr>\n<tr>\n<td style=\"background: #92d050;\">\u8f93\u51fa\u529f\u7387<\/td>\n<td style=\"background: #92d050;\">\u901a\u5e38\u4e3a\u51e0W<br \/>\n\u53d6\u51b3\u4e8e\u6563\u70ed\u8bbe\u8ba1<\/td>\n<td style=\"background: #92d050;\">\u652f\u6301\u5927\u529f\u7387<\/td>\n<\/tr>\n<tr>\n<td style=\"background: #ebf1de;\">\u566a\u58f0<\/td>\n<td style=\"background: #ebf1de;\">\u5c0f<\/td>\n<td style=\"background: #ebf1de;\">\u6709\u5f00\u5173\u566a\u58f0<\/td>\n<\/tr>\n<tr>\n<td style=\"background: #92d050;\">\u8bbe\u8ba1<\/td>\n<td style=\"background: #92d050;\">\u7b80\u5355<\/td>\n<td style=\"background: #92d050;\">\u590d\u6742<\/td>\n<\/tr>\n<tr>\n<td style=\"background: #ebf1de;\">\u5143\u5668\u4ef6\u6570\u91cf<\/td>\n<td style=\"background: #ebf1de;\">\u5c11<\/td>\n<td style=\"background: #ebf1de;\">\u591a<\/td>\n<\/tr>\n<tr>\n<td style=\"background: #92d050;\">\u6210\u672c<\/td>\n<td style=\"background: #92d050;\">\u25cb<\/td>\n<td style=\"background: #92d050;\">\u25b3<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u5f00\u5173\u7a33\u538b\u5668\u548c\u7ebf\u6027\u7a33\u538b\u5668\u7684\u533a\u522b\u3002\u4e24\u79cd\u7a33\u538b\u5668\u5404\u6709\u5229\u5f0a\uff0c\u6240\u4ee5\u8981\u7269\u5584\u5176\u7528\uff0c\u6839\u636e\u5177\u4f53\u60c5\u51b5\u533a\u5206\u9009\u7528\u3002\u4e09\u7aef\u7a33\u538b\u5668\u5c5e\u4e8e\u7ebf\u6027\u7a33\u538b\u5668\u3002<br \/>\n\u51fa\u5904\uff1a<a href=\"https:\/\/techclass.wfjydl.com\/knowledge\/dcdc\/s-dcdc\/01-s-dcdc\/78\">\u4f18\u70b9\u548c\u7f3a\u70b9\u3001\u4e0e\u7ebf\u6027\u7a33\u538b\u5668\u7684\u6bd4\u8f83\uff5cR\u8bfe\u5802<\/a><\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"06\">\u603b\u7ed3<\/h2>\n<p>\u5f53\u542c\u5230\u201c\u5f00\u5173\u7a33\u538b\u5668\u201d\u8fd9\u4e2a\u8bcd\u65f6\uff0c\u9996\u5148\u8ba9\u4eba\u60f3\u5230\u7684\u53ef\u80fd\u662f\u201c\u96be\u4ee5\u64cd\u4f5c\u201d\uff0c\u4f46\u5b9e\u9645\u7528\u5b83\u8bd5\u8bd5\u770b\u65f6\uff0c\u60a8\u4f1a\u53d1\u73b0\u5176\u5b9e\u5e76\u4e0d\u50cf\u60f3\u8c61\u4e2d\u7684\u90a3\u4e48\u9ebb\u70e6\uff0c\u7a0d\u52a0\u52aa\u529b\u5c31\u53ef\u4ee5\u521b\u5efa\u51fa\u9ad8\u6548\u7684\u7535\u6e90\u7535\u8def\u3002<br 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