{"id":5319,"date":"2018-02-23T00:01:12","date_gmt":"2018-02-22T15:01:12","guid":{"rendered":"http:\/\/micro.rohm.com\/cn\/techweb\/?p=5319"},"modified":"2021-12-02T17:17:25","modified_gmt":"2021-12-02T09:17:25","slug":"%e9%87%87%e7%94%a8rohm%e7%8b%ac%e6%9c%89%e7%9a%84%e8%87%aa%e9%80%82%e5%ba%94%e5%af%bc%e9%80%9a%e6%97%b6%e9%97%b4%e6%8e%a7%e5%88%b6%ef%bc%8c%e9%9a%94%e7%a6%bb%e5%9e%8b%e7%94%b5%e6%ba%90%e7%9a%84","status":"publish","type":"post","link":"https:\/\/techclass.wfjydl.com\/tech-info\/engineer\/6394","title":{"rendered":"\u91c7\u7528极悦娱乐\u72ec\u6709\u7684\u81ea\u9002\u5e94\u5bfc\u901a\u65f6\u95f4\u63a7\u5236\uff0c\u9694\u79bb\u578b\u7535\u6e90\u7684\u77ac\u6001\u54cd\u5e94\u901f\u5ea6\u5927\u5e45\u63d0\u5347"},"content":{"rendered":"<p class=\"question\"><strong><span style=\"color: #ff9900;\">\uff0d\u8bf7\u60a8\u5148\u4ece\u201c\u81ea\u9002\u5e94\u5bfc\u901a\u65f6\u95f4\u63a7\u5236\u201d\u5f00\u59cb\u4ecb\u7ecd\u3002<\/span><\/strong><\/p>\n<div class=\"fbox\" style=\"overflow: hidden; position: relative;\">\n<div class=\"fl\">\n<p>\u201c<span class=\"point\">\u81ea\u9002\u5e94\u5bfc\u901a\u65f6\u95f4\u63a7\u5236<\/span>\u201d\u8fd0\u7528\u4e86极悦娱乐\u7684\u975e\u9694\u79bb\u578b\u7535\u6e90\u63a7\u5236IC\u4e2d\u91c7\u7528\u7684\u201c\u5bfc\u901a\u65f6\u95f4\u63a7\u5236\u201d\u6280\u672f\u3002BD7F\u7cfb\u5217\u662f\u6700\u65e9\u91c7\u7528\u8fd9\u79cd\u81ea\u9002\u5e94\u5bfc\u901a\u65f6\u95f4\u63a7\u5236\u6280\u672f\u7684\u9694\u79bb\u578b\u7535\u6e90\u63a7\u5236IC\u3002\u4ee5\u5f80\u7684\u9694\u79bb\u578b\u7535\u6e90\u63a7\u5236IC\u4e2d\uff0c\u76f8\u5bf9\u77ac\u95f4\u8d1f\u8f7d\u7535\u6d41\u53d8\u52a8\u7684\u8f93\u51fa\u7535\u538b\u53d8\u52a8\u3001\u5373<span class=\"point\">\u8d1f\u8f7d\u77ac\u6001\u54cd\u5e94<\/span>\u8fd8\u5b58\u5728\u6539\u5584\u4f59\u5730\u3002\u9488\u5bf9\u8be5\u8bfe\u9898\uff0cBD7F\u7cfb\u5217\u91c7\u7528\u81ea\u9002\u5e94\u5bfc\u901a\u65f6\u95f4\u63a7\u5236\u6280\u672f\uff0c\u6210\u529f\u5c06\u8d1f\u8f7d\u77ac\u6001\u53d8\u52a8\u63a7\u5236\u5728200mV\u3002\u8fd9\u4e0e\u666e\u901a\u7684\u63a7\u5236\u65b9\u6cd5\u76f8\u6bd4\uff0c\u8f93\u51fa\u7535\u538b\u53d8\u52a8\u6700\u5927\u53ef\u964d\u4f4e65%\u3002\u5177\u4f53\u8bf7\u53c2\u8003\u6bd4\u8f83\u6570\u636e\u3002<\/p>\n<\/div>\n<div class=\"fr\"><strong><span style=\"color: #ff9900;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-6396\" src=\"\/upload\/2018\/02\/20170627_graf_02.gif\" alt=\"20170627_graf_02\" width=\"335\" height=\"282\" \/><\/span><\/strong><\/div>\n<\/div>\n<p class=\"question\"><strong><span style=\"color: #ff9900;\">\uff0d\u6240\u8c13\u7684\u201c\u81ea\u9002\u5e94\u201d\u662f\u4ec0\u4e48\u610f\u601d\uff1f<\/span><\/strong><\/p>\n<p>\u81ea\u9002\u5e94\u5bfc\u901a\u65f6\u95f4\u63a7\u5236\u662f\u6839\u636e\u8d1f\u8f7d\u72b6\u6001\u4ee53\u79cd\u63a7\u5236\u6a21\u5f0f\u8f6c\u6362\u6765\u9002\u5e94\u4e0d\u540c\u72b6\u6001\u3002<\/p>\n<p>\u8d1f\u8f7d\u56fa\u5b9a\u4e14\u7a33\u5b9a\u65f6\u8fdb\u884c\u666e\u901a\u7684<span class=\"point\">PWM\u63a7\u5236<\/span>\uff0c\u5f00\u5173\u9891\u7387\u4ee5400kHz\uff08Typ\uff09\u6052\u5b9a\u5de5\u4f5c\u3002<\/p>\n<p>\u8d1f\u8f7d\u53d8\u52a8\u65f6\u8f6c\u6362\u4e3a<span class=\"point\">\u5bfc\u901a\u65f6\u95f4\u63a7\u5236<\/span>\uff0c\u4ee5\u9002\u5408\u8d1f\u8f7d\u77ac\u6001\u7684\u5bfc\u901a\u65f6\u95f4\u5de5\u4f5c\u3002\u6b64\u65f6\uff0c\u5f00\u5173\u9891\u7387\u53d8\u52a8\u3002<\/p>\n<p>\u8f7b\u8d1f\u8f7d\u65f6\u8f6c\u6362\u4e3a<span class=\"point\">PFM\u5de5\u4f5c<\/span>\uff0c\u901a\u8fc7\u964d\u4f4e\u5f00\u5173\u9891\u7387\u6765\u6291\u5236\u81ea\u8eab\u529f\u8017\uff0c\u4fdd\u6301\u9ad8\u6548\u7387\u3002<\/p>\n<p>\u5176\u6548\u679c\u662f\u5728\u6574\u4e2a\u8d1f\u8f7d\u8303\u56f4\u5b9e\u73b0\u9ad8\u6548\u7387\uff0c\u5e76\u5b9e\u73b0\u9ad8\u901f\u8d1f\u8f7d\u77ac\u6001\u54cd\u5e94\u3002\u53e6\u5916\uff0c\u4e5f\u4e0d\u518d\u9700\u8981\u4ee5\u5f80\u65b9\u5f0f\u6240\u9700\u7684\u5916\u7f6e\u76f8\u4f4d\u8865\u507f\u90e8\u4ef6\u3002<\/p>\n<p class=\"question\"><strong><span style=\"color: #ff9900;\">\uff0d\u660e\u767d\u4e86\u3002\u90a3\u4e48\u63a5\u4e0b\u6765\u8bf7\u60a8\u4ecb\u7ecd\u4e00\u4e0b\u53e6\u4e00\u4e2a\u6982\u5ff5&#8211;\u201c\u8f93\u51fa\u8d1f\u8f7d\u8865\u507f\u529f\u80fd\u201d\u3002<\/span><\/strong><\/p>\n<p>\u201c<span class=\"point\">\u8f93\u51fa\u8d1f\u8f7d\u8865\u507f\u529f\u80fd<\/span>\u201d\u662f\u8865\u507f\u4e8c\u6b21\u4fa7\u8f93\u51fa\u4e8c\u6781\u7ba1\u7684V<sub>F<\/sub>\u53d7\u8d1f\u8f7d\u7535\u6d41\u5f71\u54cd\u800c\u53d8\u52a8\u4ece\u800c\u4ea7\u751f\u7684\u8f93\u51fa\u7535\u538b\u53d8\u52a8\u3001\u5373\u8bef\u5dee\u7684\u529f\u80fd\u3002\u5728\u8be5\u8bef\u5dee\u5f71\u54cd\u8f83\u5927\uff08\u5df2\u6210\u4e3a\u95ee\u9898\uff09\u7684\u5e94\u7528\u4e2d\uff0c\u5229\u7528\u8be5\u529f\u80fd\uff0c\u53ef\u5bf9\u8d1f\u8f7d\u53d8\u52a8\u5e26\u6765\u7684\u4e8c\u6b21\u4fa7\u8f93\u51fa\u4e8c\u6781\u7ba1\u7684V<sub>F<\/sub>\u7279\u6027\u8fdb\u884c\u53cd\u5411\u7535\u538b\u8865\u507f\uff0c\u53ef\u6539\u5584<span class=\"point\">\u8d1f\u8f7d\u8c03\u8282\uff08Road Regulation\uff09<\/span>\u6027\u80fd\u3002<\/p>\n<p class=\"question\"><strong><span style=\"color: #ff9900;\">\uff0d\u4e0d\u597d\u610f\u601d\uff0c\u597d\u50cf\u6709\u4e9b\u96be\u4ee5\u7406\u89e3\u3002<\/span><\/strong><\/p>\n<p>\u5728<a href=\"\/tech-info\/engineer\/5115\" target=\"_blank\" rel=\"noopener\">\u5229\u7528\u4e00\u6b21\u4fa7\u7684\u53cd\u6fc0\u7535\u538b\u6765\u7a33\u5b9a\u4e8c\u6b21\u4fa7\u8f93\u51fa\u7535\u538b\u7684\u8bf4\u660e<\/a>\u4e2d\uff0c\u66fe\u7ecf\u4f7f\u7528\u8fc7\u8fd9\u4e2a\u516c\u5f0f\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-6397\" src=\"\/upload\/2018\/02\/20170627_graf_03.gif\" alt=\"20170627_graf_03\" width=\"350\" height=\"58\" \/><\/p>\n<div class=\"fbox\">\n<div class=\"fl\" style=\"width: 398px;\">\n<p>\u901a\u8fc7\u8fd9\u4e2a\u516c\u5f0f\uff0c\u4ecb\u7ecd\u8fc7V<sub>OUT<\/sub>\u7684\u4e3b\u8981\u8bef\u5dee\u539f\u56e0\u662fV<sub>F<\/sub>\u548cESR\u3002\u6839\u636e\u8d1f\u8f7d\u7535\u6d41\u5373\u4e8c\u6b21\u4fa7\u53d8\u538b\u5668\u7535\u6d41IS\u7684\u53d8\u52a8\uff0cESR\uff08\u4e8c\u6b21\u4fa7\u7684\u603b\u963b\u6297\uff1a\u53d8\u538b\u5668\u7ed5\u7ec4\u7535\u963b\u3001PCB\u677f\u7684\u963b\u6297\u7b49\uff09\u5e26\u6765\u7684\u8bef\u5dee\u5355\u7eaf\u5730\u53d8\u52a8\uff0cV<sub>F<\/sub>\u4f9d\u8d56\u4e8c\u6781\u7ba1\u7684V<sub>F<\/sub>\uff0dI<sub>F<\/sub>\u7279\u6027\u8fdb\u884c\u53d8\u52a8\u3002<br \/>\n\u4e3a\u4e86\u8865\u507f\u8be5\u8bef\u5dee\uff0c\u4ea7\u54c1\u914d\u5907\u4e86\u7531COMP\u5f15\u811a\u51b3\u5b9a\u507f\u91cf\uff0c\u6765\u8865\u507f\u51b3\u5b9a\u8f93\u51fa\u7535\u538b\u7684\u53cd\u9988\u7535\u6d41\u7684\u529f\u80fd\u3002\u7b80\u5355\u5730\u8bf4\uff0c\u5c31\u662f\u5c06V<sub>F<\/sub>\u548cESR\u5e26\u6765\u7684\u8bef\u5dee\u6839\u636e\u8d1f\u8f7d\u7535\u6d41\u6765\u62b5\u6d88\u3002<\/p>\n<\/div>\n<div class=\"fr\" style=\"width: 302px;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-6399\" src=\"\/upload\/2018\/02\/20170627_graf_04.gif\" alt=\"20170627_graf_04\" width=\"302\" height=\"253\" \/><\/div>\n<\/div>\n<p>\u8fd9\u5f20\u56fe\u5373\u4f7f\u7528\u4e86\u8f93\u51fa\u8d1f\u8f7d\u8865\u507f\u529f\u80fd\u65f6\u7684\u8865\u507f\u793a\u610f\u56fe\u3002\u4f7f\u7528\u8be5\u529f\u80fd\u4ec5\u9700\u786e\u5b9a\u51b3\u5b9a\u8865\u507f\u91cf\u7684COMP\u5f15\u811a\u6240\u8fde\u63a5\u7684\u7535\u963b\u548c\u7535\u5bb9\u5668\u5e38\u91cf\u5373\u53ef\u3002\u8be6\u7ec6\u7684\u5e38\u91cf\u8ba1\u7b97\u516c\u5f0f\u7b49\u8bf7\u53c2\u8003\u6280\u672f\u89c4\u683c\u4e66\u3002<\/p>\n<p class=\"question\"><strong><span style=\"color: #ff9900;\">\uff0d\u901a\u8fc7\u8fd9\u5f20\u793a\u610f\u56fe\u80fd\u591f\u7406\u89e3\u968f\u7740\u8d1f\u8f7d\u589e\u52a0\u8bef\u5dee\u7684\u4e3b\u8981\u56e0\u7d20\u76f4\u63a5\u6210\u4e3a\u8bef\u5dee\u7684\u9053\u7406\uff0c\u4ee5\u53ca\u8865\u507f\u540e\u7684\u60c5\u51b5\u4e86\u3002\u987a\u4fbf\u95ee\u4e00\u4e0b\uff0cBD7F\u7cfb\u5217\u65e0\u9700\u53cd\u9988\u8def\u5f84\u7684\u7edd\u7f18\u7535\u8def\uff0c\u5e76\u5185\u7f6e\u6709MOSFET\uff0c\u56e0\u6b64\u90e8\u4ef6\u6570\u91cf\u6bd4\u8f83\u5c11\uff0c\u8bbe\u8ba1\u5e94\u8be5\u4e5f\u66f4\u7b80\u5355\u4e86\u3002\u53ea\u662f\uff0c\u7531\u4e8e\u9700\u8981\u53d8\u538b\u5668\uff0c\u4f1a\u4e0d\u4f1a\u53ef\u80fd\u8ba9\u4eba\u89c9\u5f97\u96be\u4ee5\u63a5\u53d7\u5462\uff1f<\/span><\/strong><\/p>\n<div class=\"fbox\">\n<div class=\"fl\" style=\"width: 350px;\">\n<p>\u8bf4\u5b9e\u8bdd\uff0c\u53d8\u538b\u5668\u53ef\u80fd\u7684\u786e\u6709\u70b9\u9ebb\u70e6\u3002\u5f53\u7136\uff0c\u6280\u672f\u89c4\u683c\u4e66\u4e2d\u63d0\u4f9b\u4e86\u53d8\u538b\u5668\u7684\u9009\u578b\u8303\u56f4\uff0c\u4f46\u8003\u8651\u76f4\u5230\u9009\u5b9a\u53d8\u538b\u5668\u7684\u8fc7\u7a0b\u8fd8\u662f\u6bd4\u8f83\u8017\u65f6\u8017\u529b\u7684\uff0c\u6bd4\u5982\u89c4\u683c\u4e66\u3001\u6837\u673a\u8bd5\u5236\u3001\u89c4\u683c\u4e66\u4ea4\u6d41\u7b49\u3002<\/p>\n<p>\u4ece\u8fd9\u4e2a\u89d2\u5ea6\u51fa\u53d1\uff0c\u4e3a\u4e86\u4fbf\u4e8e\u5ba2\u6237\u8bc4\u4f30\uff0c\u6211\u4eec\u51c6\u5907\u4e86<span class=\"point\">\u8bc4\u4f30\u677f<\/span>\u3002\u4f5c\u4e3a\u4ee3\u8868\u4ea7\u54c1\u6709BD7F100HFN-LB\u306e\u8bc4\u4f30\u677f\u201cBD7F<br \/>\n100HFN-EVK-001\u201d\uff0c\u53ef\u901a\u8fc7\u7f51\u552e\u5e73\u53f0\u7f51\u8d2d\u3002\u4f7f\u7528\u8bc4\u4f30\u677f\u53ef\u8f7b\u677e\u8bc4\u4f30\u642d\u8f7dBD7F100HFN-LB\u7684\u8f93\u5165\u7535\u538b24V\u3001\u8f93\u51fa\u7535\u538b5V\u3001\u8f93\u51fa\u7535\u6d41800mA\u7684\u9694\u79bb\u578b\u7535\u6e90\u3002\u8bc4\u4f30\u677f\u5982\u53f3\u56fe\u6240\u793a\u3002<\/p>\n<\/div>\n<div class=\"fr\" style=\"width: 340px;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-6401\" src=\"\/upload\/2018\/02\/20170627_graf_05.gif\" alt=\"20170627_graf_05\" width=\"335\" height=\"277\" \/><\/div>\n<\/div>\n<p>\u53e6\u5916\uff0c\u5305\u62ec\u53d8\u538b\u5668\u5728\u5185\u7684\u5176\u4ed6\u4e3b\u8981\u5143\u5668\u4ef6\u5728\u6280\u672f\u89c4\u683c\u4e66\u7684\u5e94\u7528\u4f8b\u4e2d\u6709\u5177\u4f53\u7684\u578b\u53f7\u3002\u4e0b\u9762\u662f\u4eceBD7F100HFN-LB\u7684\u6280\u672f\u89c4\u683c\u4e66\u4e2d\u6458\u5f55\u7684\uff0c\u6bd4\u5982\u5173\u4e8e\u53d8\u538b\u5668\uff0c\u63a8\u8350\u7684\u662fSumida\u53d8\u538b\u5668\uff1b\u5173\u4e8e\u4e00\u822c\u7684\u7535\u538b\u5df2\u7ecf\u63d0\u4f9b\u4ea7\u54c1\u578b\u53f7\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-6402\" src=\"\/upload\/2018\/02\/20170627_graf_06.jpg\" alt=\"20170627_graf_06\" width=\"700\" height=\"179\" \/><\/p>\n<p>\u4e0b\u8868\u4e5f\u662f\u4ece\u6280\u672f\u89c4\u683c\u4e66\u4e2d\u6458\u5f55\u7684\uff0c\u5176\u4e2d\u4e5f\u5305\u62ec\u5176\u4ed6\u5e94\u7528\u4f8b\u7684\u76f8\u5173\u5185\u5bb9\uff0c\u4e0d\u8fc7\u4ece\u4e2d\u53ef\u83b7\u5f97\u63a8\u8350\u53d8\u538b\u5668\u7684\u5927\u81f4\u89c4\u683c\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-6403\" src=\"\/upload\/2018\/02\/20170627_graf_07.gif\" alt=\"20170627_graf_07\" width=\"700\" height=\"127\" \/><\/p>\n<p class=\"question\"><strong><span style=\"color: #ff9900;\">\uff0d\u6211\u60f3\u6709\u4e86\u8fd9\u4e9b\u652f\u6301\uff0c\u5e94\u8be5\u53ef\u4ee5\u653e\u5fc3\u63a2\u8ba8\u91c7\u7528\u4e86\u3002<\/span><\/strong><\/p>\n<p>极悦娱乐\u5177\u6709\u5b8c\u5907\u7684\u652f\u6301\u4f53\u5236\uff0c\u53ef\u4ee5\u89e3\u7b54\u5176\u4ed6\u4efb\u4f55\u95ee\u9898\u7b49\uff0c\u656c\u8bf7\u653e\u5fc3\u3002<\/p>\n<p class=\"question\"><strong><span style=\"color: #ff9900;\">\uff0d\u975e\u5e38\u611f\u8c22\u60a8\u6b64\u6b21\u76f8\u5f53\u8be6\u7ec6\u7684\u8bb2\u89e3\u3002<\/span><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"\uff0d\u8bf7\u60a8\u5148\u4ece\u201c\u81ea\u9002\u5e94\u5bfc\u901a\u65f6\u95f4\u63a7\u5236\u201d\u5f00\u59cb\u4ecb\u7ecd\u3002 \u201c\u81ea\u9002\u5e94\u5bfc\u901a\u65f6\u95f4\u63a7\u5236\u201d\u8fd0\u7528\u4e86极悦娱乐\u7684\u975e\u9694\u79bb\u578b\u7535\u6e90\u63a7\u5236IC\u4e2d\u91c7\u7528\u7684\u201c\u5bfc\u901a\u65f6\u95f4\u63a7\u5236\u201d\u6280\u672f\u3002BD7F\u7cfb\u5217\u662f\u6700\u65e9\u91c7\u7528\u8fd9\u79cd\u81ea\u9002\u5e94\u5bfc\u901a\u65f6\u95f4\u63a7\u5236\u6280\u672f\u7684\u9694\u79bb\u578b\u7535\u6e90\u63a7\u5236IC\u3002\u4ee5\u5f80\u7684\u9694\u79bb\u578b\u7535\u6e90\u63a7 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