{"id":4771,"date":"2017-09-21T00:00:40","date_gmt":"2017-09-20T15:00:40","guid":{"rendered":"http:\/\/micro.rohm.com\/cn\/techweb\/?p=4771"},"modified":"2022-09-20T13:26:12","modified_gmt":"2022-09-20T05:26:12","slug":"%e5%ae%9e%e7%8e%b0%e4%b8%9a%e7%95%8c%e9%a1%b6%e7%ba%a7%e7%9a%8480v%e9%ab%98%e8%80%90%e5%8e%8b%e4%b8%8e%e9%ab%98%e6%95%88%e7%8e%87%e7%9a%84dcdc%e8%bd%ac%e6%8d%a2%e5%99%a8-%e4%bb%85%e9%ab%98%e8%80%90","status":"publish","type":"post","link":"https:\/\/techclass.rohm.com.cn\/tech-info\/engineer\/4272","title":{"rendered":"\u5b9e\u73b0\u4e1a\u754c\u9876\u7ea7\u768480V\u9ad8\u8010\u538b\u4e0e\u9ad8\u6548\u7387\u7684DC\/DC\u8f6c\u6362\u5668 \u4ec5\u9ad8\u8010\u538b\u65e0\u6cd5\u89e3\u51b3\u7528\u6237\u7684\u8bfe\u9898"},"content":{"rendered":"<p class=\"question\">\uff0d\u63a5\u4e0b\u6765\u60f3\u8bf7\u60a8\u4ecb\u7ecd\u4e00\u4e0bBD9G341AEFJ\u3002\u9996\u5148\u8bf7\u8bb2\u4e00\u4e0b\u6982\u8981\u3002<\/p>\n<p><a href=\"https:\/\/www.rohm.com.cn\/products\/power-management\/switching-regulators\/integrated-fet\/buck-converters-nonsynchronous\/bd9g341aefj-product\" target=\"_blank\" rel=\"noopener\">BD9G341AEFJ<\/a>\u5185\u7f6e\u7684MOSFET\u662fN\u901a\u9053\uff0c\u989d\u5b9a\u4e3a80V\/3.5A\u3002\u8f6c\u6362\u65b9\u5f0f\u662f\u79f0\u4e3a<em>\u201c\u4e8c\u6781\u7ba1\u6574\u6d41\u201d<\/em>\u6216<em>\u201c\u5f02\u6b65\u6574\u6d41\u201d<\/em>\u7684\u964d\u538b\u65b9\u5f0f\u3002\u7528\u7535\u963b\uff0c\u7535\u5bb9\u5668\uff0c\u8096\u7279\u57fa\u52bf\u5792\u4e8c\u6781\u7ba1\u4ee5\u53ca\u7535\u611f\u7b49\u5c11\u91cf\u7684\u5916\u7f6e\u5143\u5668\u4ef6\uff0c\u53ef\u7b80\u5355\u5730\u6784\u5efa\u9ad8\u6027\u80fd\u7684\u9ad8\u8010\u538bDC\/DC\u8f6c\u6362\u5668\u3002<\/p>\n<p>\u56e0\u4e3a\u662f\u7535\u6d41\u6a21\u5f0f\u63a7\u5236\uff0c\u6240\u4ee5\uff0c\u76f8\u4f4d\u8865\u507f\u7b80\u5355\uff0c\u53ef\u83b7\u5f97\u9ad8\u901f\u7684\u77ac\u6001\u54cd\u5e94\u3002\u5f00\u5173\u9891\u7387\u53ef\u572850kHz\uff5e750kHz\u7684\u8303\u56f4\u8bbe\u7f6e\uff0c\u4ee5\u4f18\u5316\u5c3a\u5bf8\u548c\u6548\u7387\u3002\u6b64\u5916\uff0c\u8fd8\u5177\u6709\u8fd1\u5e74\u6765\u5728DC\/DC\u8f6c\u6362\u5668\u4e0a\u642d\u8f7d\u7684\u51e0\u4e4e\u6240\u6709\u7684<em>\u4fdd\u62a4\u529f\u80fd<\/em>\u3002<\/p>\n<p>\u8bf7\u53c2\u8003\u4e0b\u9762\u7684\u7279\u70b9\uff0c\u89c4\u683c\u6982\u7565\u548c\u5e94\u7528\u7535\u8def\u4f8b\u3002<\/p>\n<div class=\"fBox\" style=\"padding:15px 15px 0 15px; border:1px solid #ccc; line-height:170%; margin-bottom:30px;\">\n<div class=\"fl\" style=\"width:315px;\">\n<ul>\n<li>\u5185\u7f6e\u989d\u5b9a80V\/3.5A\uff0c<br \/>\n&nbsp;&nbsp;&nbsp;Ron 150m\u03a9\u7684Nch MOSFET<\/li>\n<li>\u6700\u5927\u8f93\u51fa\u7535\u6d41\uff1a3A<\/li>\n<li>\u8f93\u5165\u7535\u538b\u8303\u56f4\uff1a12V\uff5e76V<\/li>\n<li>\u8f93\u51fa\u7535\u538b\u8303\u56f4\uff1a1.0V\uff5e\u8f93\u5165\u7535\u538b<\/li>\n<li>\u5f00\u5173\u9891\u7387\uff08\u53ef\u53d8\uff09\uff1a50kHz\uff5e750kHz<\/li>\n<li>\u57fa\u51c6\u7535\u538b\uff1a1.0V\u00b11.5%\uff0825\u2103\uff09\u00b12%<br \/>\n&nbsp;&nbsp;&nbsp;\uff08\u6574\u4e2a\u6e29\u5ea6\u8303\u56f4\uff09<\/li>\n<\/ul>\n<\/div>\n<div class=\"fr\" style=\"width:315px; padding-bottom:15px;\">\n<ul>\n<li>\u9ad8\u7cbe\u5ea6EN\u9608\u503c\u00b13%<\/li>\n<li>\u8f6f\u542f\u52a8\u529f\u80fd<\/li>\n<li>\u5f85\u673a\u529f\u80fd<\/li>\n<li>\u642d\u8f7d\u8fc7\u7535\u6d41\u4fdd\u62a4\uff08OCP\uff09\uff0c<br \/>\n&nbsp;&nbsp;&nbsp;\u9632\u6b62\u4f4e\u8f93\u5165\u8bef\u52a8\u4f5c\uff08UVLO\uff09\uff0c<br \/>\n&nbsp;&nbsp;&nbsp;\u6e29\u5ea6\u4fdd\u62a4\u7535\u8def\uff08TSD\uff09\uff0c<br \/>\n&nbsp;&nbsp;&nbsp;\u8fc7\u7535\u538b\u4fdd\u62a4\uff08OVP\uff09<\/li>\n<li>\u5de5\u4f5c\u6e29\u5ea6\u8303\u56f4\uff1a-40\u2103\uff5e+85\u2103<\/li>\n<li>\u5c01\u88c5\uff1aHTSOP-J8\uff084.9 x 6.0 x 1.0mm\uff09<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<div class=\"fBox\" style=\"margin-bottom:30px;\">\n<div class=\"fl2\" style=\"width:430px;\"><img loading=\"lazy\" decoding=\"async\" src=\"\/upload\/2017\/09\/appli.jpg\" width=\"470\" height=\"210\" alt=\"appli\"><\/div>\n<div class=\"fr2\" style=\"width:200px;\"><img loading=\"lazy\" decoding=\"async\" src=\"\/upload\/2017\/09\/pkg.jpg\" width=\"200\" height=\"201\" alt=\"pkg\"><\/div>\n<\/div>\n<p class=\"question\">\uff0d\u6211\u66fe\u8ba4\u4e3a\u65e2\u7136\u79f0\u4f5c\u9ad8\u8010\u538b\u4ea7\u54c1\u662f\u4e0d\u662f\u56e0\u4e3a\u6709\u4ec0\u4e48\u7279\u522b\u4e4b\u5904\uff0c\u4f46\u5176\u5b9e\u5b83\u7684\u6784\u6210\u975e\u5e38\u7b80\u5355\u554a\u3002<\/p>\n<p>\u4e00\u822c\u9ad8\u8010\u538b\u7684DC\/DC\u8f6c\u6362\u5668\u591a\u91c7\u7528\u5916\u7f6e\u9ad8\u8010\u538bMOSFET\u7684\u7535\u8def\u7ed3\u6784\u6765\u5b9e\u73b0\u9ad8\u8010\u538b\uff0c\u4f46BD9G341AEFJ\u901a\u8fc7\u5185\u7f6eMOSFET\uff0c\u4e0d\u518d\u9700\u8981\u8fdb\u884cMOSFET\u7684\u9009\u578b\u5de5\u4f5c\u7b49\u3002\u5b89\u88c5\u9762\u79ef\u56e0\u65e0\u5916\u7f6eMOSFET\u7684\u90e8\u5206\u800c\u53d8\u5c0f\u3002\u662f\u4e00\u6b3e\u4e0d\u4ec5\u9ad8\u8010\u538b\uff0c\u800c\u4e14\u96c6\u6210\u4e86\u4f5c\u4e3a\u6700\u5148\u8fdb\u7684DC\/DC\u8f6c\u6362\u5668IC\u6240\u9700\u7279\u6027\u7684IC\u3002<\/p>\n<p class=\"question\">\uff0d\u4e5f\u5c31\u662f\u9664\u9ad8\u8010\u538b\u4e4b\u5916\uff0c\u8fd8\u6709\u5176\u4ed6\u4f18\u52bf\u5bf9\u5427\u3002<\/p>\n<p>BD9G341AEFJ\u662f\u4ee54\u4e2a\u5173\u952e\u70b9\u4e3a\u524d\u63d0\u5f00\u53d1\u7684\u3002<\/p>\n<p style=\"padding-left:20px;\">1. \u5b9e\u73b0\u4e1a\u754c\u9876\u7ea7\u768480V\u9ad8\u8010\u538b<br \/>\n2\uff0e\u4ee580V\u7ea7\u7684DC\/DC\u8f6c\u6362\u5668\uff0c\u5b9e\u73b0\u4e1a\u754c\u6700\u9ad8\u6548\u7387<br \/>\n3\uff0e\u642d\u8f7d\u9632\u6b62\u7834\u574f\u3001\u63d0\u9ad8\u5b89\u5168\u6027\u7684\u4fdd\u62a4\u529f\u80fd\uff0c\u63d0\u9ad8\u8bbe\u5907\u7684\u53ef\u9760\u6027<br \/>\n4\uff0e\u901a\u8fc7\u5c0f\u578b\u5c01\u88c5\u548c\u51cf\u5c11\u5916\u7f6e\u5143\u5668\u4ef6\uff0c\u8c0b\u6c42\u8fdb\u4e00\u6b65\u8282\u7701\u7a7a\u95f4\u4ee5\u53ca\u8bbe\u8ba1\u7684\u7b80\u5316<\/p>\n<p class=\"question\">\uff0d\u901a\u8fc7\u5185\u7f6eMOSFET\u6765\u5b9e\u73b080V\u8010\u538b\uff0c\u8fd8\u662f\u5f88\u4e0d\u5bb9\u6613\u7684\u5427\uff1f<\/p>\n<p>\u524d\u9762\u5df2\u7ecf\u7a0d\u4f5c\u4ecb\u7ecd\uff0c<em>80V<\/em>\u7684\u9ad8\u8010\u538b\u662f\u901a\u8fc7ROHM\u62e5\u6709\u7684\u4e1a\u754c\u6700\u5148\u8fdb\u7684\u7535\u6e90\u7cfb\u7edf\u5de5\u827a\u2014\u20140.6\u00b5m\u7684\u9ad8\u8010\u538bBiCDMOS\u800c\u5b9e\u73b0\u7684\u3002\u5982\u679c\u6ca1\u6709\u8fd9\u79cd\u9ad8\u7ea7\u7684\u5236\u9020\u5de5\u827a\u662f\u65e0\u6cd5\u5236\u9020\u7684\u3002\u5b9e\u9645\u4e0a\uff0c\u4ece\u5e02\u573a\u7684\u9ad8\u8010\u538b\u4ea7\u54c1\u5c1a\u672a\u8fbe\u523080V\u770b\u4e5f\u53ef\u660e\u786e\u77e5\u9053\u8fd9\u4e00\u70b9\u3002\u8981\u60f3\u5b8c\u5168\u6ee1\u8db3\u5305\u62ec\u7535\u4fe1\u548c\u5de5\u4e1a\u9886\u57df\u7684<em>48V<\/em>\u7ea7\u8f93\u5165\u7535\u538b\u9700\u6c42\uff0c\u9700\u898180V\u7684\u8010\u538b\u3002\u5982\u679c\u662f80V\uff0c\u53ef\u5bf9\u7a81\u53d1\u7684\u6d6a\u6d8c\u7b49\u4fdd\u6709\u8f83\u5927\u4f59\u91cf\uff0c\u56e0\u6b64\uff0c\u53ef\u63d0\u9ad8\u7535\u6e90\u6761\u4ef6\u4e25\u683c\u3001\u5b9e\u7528\u6027\u8981\u6c42\u9ad8\u7684\u5e94\u7528\u53ef\u9760\u6027\u3002<\/p>\n<p class=\"question\">\uff0d\u5173\u4e8e\u6548\u7387,\u542c\u8bf4\u5728\u4ece\u9ad8\u8f93\u5165\u7535\u538b\u964d\u5230\u4f4e\u7535\u538b\u7684\u6761\u4ef6\u4e0b\uff0c\u6548\u7387\u4f1a\u53d8\u5dee\uff1f<\/p>\n<div class=\"fBox\">\n<div class=\"fl3\" style=\"width:330px;\">\n<p>\u4e00\u822c\u6765\u8bf4\uff0c\u652f\u6301\u9ad8\u8010\u538b\u7684DC\/DC\u8f6c\u6362\u5668\uff0c\u53d7\u5143\u4ef6\u7279\u6027\u548c\u7535\u8def\u7ed3\u6784\u7b49\u5f71\u54cd\uff0c\u6548\u7387\u5e38\u5e38\u6bd4\u4f4e\u7535\u538b\u7528\u7684\u5dee\u3002\u53e6\u5916\uff0c\u4ece48V\u964d\u52305V\u8fd9\u7c7b<em>\u964d\u538b\u6bd4\u9ad8<\/em>\u7684\u6761\u4ef6\u4e0b\uff0c\u6bd4\u4ece12V\u964d\u52305V\u8fd9\u6837\u7684\u6761\u4ef6\u4e0b\u7684\u6548\u7387\u8981\u4f4e\u3002BD9G341AEFJ\u4e0e\u7c7b\u4f3c\u7684IC\u6bd4\u8f83\u65f6\uff0c\u6700\u5927\u53ef<em>\u6539\u5584\u6548\u7387<\/em>19%\uff0c\u7a33\u5b9a\u72b6\u6001\u4e0b\u53ef\u6539\u5584\u6548\u73871.5%\u3002\u56fe\u4e2d\u662f\u632f\u8361\u9891\u7387300kHz\u3001\u8f93\u5165\u7535\u538b48V\u3001\u8f93\u51fa\u7535\u538b5V\u6761\u4ef6\u4e0b\u7684\u6570\u636e\u3002<\/p>\n<\/div>\n<div class=\"fr3\" style=\"width:300px;\">\n<p><img decoding=\"async\" src=\"\/upload\/2017\/09\/effi.jpg\" width=\"300\" height=\"232px\" alt=\"effi\"><\/p>\n<\/div>\n<\/div>\n<p class=\"question\" style=\"margin-top:30px;\">\uff0d\u5904\u7406\u9ad8\u7535\u538b\u65f6\uff0c\u9632\u6b62\u7834\u574f\u3001\u63d0\u9ad8\u5b89\u5168\u6027\u90fd\u662f\u975e\u5e38\u91cd\u8981\u7684\u5427\u3002<\/p>\n<div class=\"fBox\">\n<div class=\"fl3\" style=\"width:330px;\">\n<p>\u5904\u7406\u9ad8\u7535\u538b\u662f\u524d\u63d0\uff0c\u6240\u4ee5\uff0c\u8003\u8651\u5230\u9700\u8981\u5177\u5907\u66f4\u5b89\u5168\u7684\u4fdd\u62a4\u529f\u80fd\uff0c\u8f93\u51fa\u77ed\u8def\u4fdd\u62a4\u642d\u8f7d\u4e86ROHM\u72ec\u6709\u7684\u6253\u55dd\uff08hiccup\uff09\u6a21\u5f0f\u3002\u901a\u5e38\u7684\u8f93\u51fa\u77ed\u8def\u4fdd\u62a4\uff0c\u867d\u7136\u4fdd\u62a4\u529f\u80fd\u4f1a\u5de5\u4f5c\uff0c\u4f46\u6709\u53ef\u80fd\u6210\u4e3a\u8fc7\u70ed\u72b6\u6001\uff0c\u6700\u7ec8\u5bfc\u81f4\u4ea7\u54c1\u7834\u574f\u3002BD9G341AEFJ\u7684\u4fdd\u62a4\u529f\u80fd\uff0c\u5468\u671f\u6027\u5730\u8fdb\u884c\u5173\u65ad\u4e0e\u6062\u590d\uff0c\u6291\u5236\u53d1\u70ed\u7684\u540c\u65f6\u5f53\u969c\u788d\u6392\u9664\u65f6\uff0c\u5c31\u4f1a\u81ea\u52a8\u6062\u590d\u3002\u901a\u8fc7\u8fd9\u79cd\u65b9\u6cd5\uff0c\u53ef\u9632\u6b62\u7535\u6e90<em>\u88ab\u7834\u574f<\/em>\uff0c\u63d0\u9ad8\u5e94\u7528\u7684\u53ef\u9760\u6027\u3002<\/p>\n<\/div>\n<div class=\"fr3\" style=\"width:300px;\">\n<p><img decoding=\"async\" src=\"\/upload\/2017\/09\/hicuup.jpg\" width=\"300\" height=\"226px\" alt=\"hicuup\"><\/p>\n<\/div>\n<\/div>\n<p class=\"question\" style=\"margin-top:30px;\">\uff0d\u7b2c4\u70b9\u662f\u5c0f\u578b\u5316\u548c\u8bbe\u8ba1\u7684\u7b80\u5316\uff0c\u8fd9\u662f\u8fd1\u6765\u5fc5\u987b\u8003\u8651\u7684\u8bfe\u9898\u3002<\/p>\n<div class=\"fBox\">\n<div class=\"fl4\" style=\"width:370px;\">\n<p>\u5c06\u5305\u62ec80V\u9ad8\u8010\u538bMOSFET\u5728\u5185\u7684\u6805\u6781\u9a71\u52a8\u5668\u7528\u5347\u538b\u4e8c\u6781\u7ba1\u7b49\u4e00\u822c\u5916\u7f6e\u7684\u5143\u5668\u4ef6\u5c3d\u53ef\u80fd\u5730\u5185\u7f6e\uff0c\u4f7f\u5916\u7f6e\u5143\u5668\u4ef6\u4fdd\u6301\u5728\u6700\u4f4e\u9650\u5ea6\u3002\u7c7b\u4f3c\u4ea7\u54c1\u9700\u8981\u7684<em>\u5916\u7f6e\u5143\u5668<\/em>\u4ef6\u662f17\u4e2a\u5de6\u53f3,\u4f46BD9G341AEFJ\u4ec5\u970012\u4e2a\u5373\u53ef\u3002\u6b64\u5916\uff0c\u4e0d\u4ec5\u5177\u6709\u5982\u6b64\u9ad8\u7684\u96c6\u6210\u5ea6\uff0c\u8fd8\u6210\u529f\u5b9e\u73b0\u5c0f\u578b8\u5f15\u811aHTSOP-J8\uff084.9 x 6.0 x 1.0mm\uff09\u5c01\u88c5\u3002\u8fd9\u6837\uff0c\u51cf\u5c11\u4e86\u5b89\u88c5\u9762\u79ef\u7684\u540c\u65f6\uff0c\u8bbe\u8ba1\u53ca\u8bc4\u4f30\u4e5f\u53d8\u5f97\u975e\u5e38\u7b80\u5355\u3002\u7279\u522b\u662f\u901a\u8fc7\u5185\u7f6eMOSFET\uff0c\u53ef\u4ee5\u5927\u5927\u51cf\u5c11MOSFET\u9009\u578b\u548c<em>\u8bc4\u4f30\u4f5c\u4e1a<\/em>\uff0c\u7f29\u77ed\u4ea7\u54c1\u6295\u5165\u5230\u5e02\u573a\u7684\u65f6\u95f4\u3002<\/p>\n<\/div>\n<div class=\"fr4\" style=\"width:260px;\">\n<p><img decoding=\"async\" src=\"\/upload\/2017\/09\/boad.jpg\" width=\"260\" height=\"253px\" alt=\"boad\"><\/p>\n<\/div>\n<\/div>\n<p 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