{"id":5304,"date":"2018-02-23T00:00:58","date_gmt":"2018-02-22T15:00:58","guid":{"rendered":"http:\/\/micro.rohm.com\/cn\/techweb\/?p=5304"},"modified":"2021-11-11T16:12:54","modified_gmt":"2021-11-11T08:12:54","slug":"%e9%9d%a2%e5%90%91%e5%b7%a5%e4%b8%9a%e8%ae%be%e5%a4%87%e9%a2%86%e5%9f%9f%e5%bc%80%e5%8f%91","status":"publish","type":"post","link":"https:\/\/techclass.wfjydl.com\/tech-info\/engineer\/6377","title":{"rendered":"\u9762\u5411\u5de5\u4e1a\u8bbe\u5907\u9886\u57df\u5f00\u53d1"},"content":{"rendered":"<p class=\"question\">\uff0d\u63a5\u4e0b\u6765\u8bf7\u60a8\u4ecb\u7ecd\u4e00\u4e0bBD7F\u7cfb\u5217IC\u7684\u529f\u80fd\u548c\u7279\u5f81\u3002<\/p>\n<p>\u524d\u9762\u5df2\u7ecf\u6301\u7eed\u8fdb\u884c\u4e86\u8be6\u7ec6\u7684\u5de5\u4f5c\u8bf4\u660e\uff0c\u56e0\u6b64\u5728\u8fd9\u91cc\u518d\u91cd\u65b0\u5f3a\u8c03\u4e00\u4e0b\u57fa\u672c\u6982\u5ff5\u8981\u70b9\uff1aBD7F\u7cfb\u5217\u662f\u7528\u6765\u6784\u5efa<span class=\"point\">\u9694\u79bb\u578b\u53cd\u6fc0\u5f0f\u8f6c\u6362\u5668<\/span>\u7684IC\uff0c\u5728\u4e00\u6b21\u4fa7\u8fdb\u884c\u7a33\u5b9a\u5316\u63a7\u5236\uff0c\u4ece\u800c<span class=\"point\">\u65e0\u9700\u53cd\u9988\u8def\u5f84\u7edd\u7f18\u7528\u7684\u5149\u8026\u548c\u53d8\u538b\u5668\u7684\u4e09\u7ea7\u7ed5\u7ec4<\/span>\uff0c\u53e6\u5916\u8fd8\u5185\u7f6e\u6709MOSFET\uff0c\u53ef\u5b9e\u73b0\u5c0f\u578b\u5316\u5e76\u63d0\u9ad8\u53ef\u9760\u6027\u3002<\/p>\n<p>\u63a5\u4e0b\u6765\u4ee5\u672c\u7cfb\u5217\u4e2d\u7684BD7F100HFN-LB\u548cBD7F100EFJ-LB\u4e3a\u4f8b\u4ecb\u7ecd\u4e00\u4e0b\u5176\u4f5c\u4e3a\u7535\u6e90IC\u7684\u529f\u80fd\u3002\u8fd9\u4e24\u6b3e\u673a\u578b\u4ec5\u5c01\u88c5\u4e0d\u540c\uff0c\u529f\u80fd\u57fa\u672c\u76f8\u540c\u3002<\/p>\n<div class=\"fbox\">\n<div class=\"fl\" style=\"width:320px;\">\n<p style=\"font-weight:bold; margin:0;\">&#12304;\u7279\u70b9&#12305;<\/p>\n<ul class=\"line-none\">\n<li>\u65e0\u9700\u5149\u8026\u548c\u53d8\u538b\u5668\u7684\u4e09\u7ea7\u7ed5\u7ec4<br \/>\n     &emsp;\uff0d\u901a\u8fc72\u679a\u5916\u7f6e\u7535\u963b\u548c\u53d8\u538b\u5668\u531d\u6570\u6bd4\u6765\u8bbe\u7f6e<br \/>&emsp;&emsp;\u8f93\u51fa\u7535\u538b<\/li>\n<li>\u91c7\u7528极悦娱乐\u72ec\u6709\u7684<span class=\"point\">\u81ea\u9002\u5e94\u5bfc\u901a\u65f6\u95f4\u63a7\u5236<\/span>\u6280\u672f<br \/>\n  \t&emsp;\uff0d\u5b9e\u73b0\u9ad8\u901f\u8d1f\u8f7d\u54cd\u5e94\uff0c\u65e0\u9700\u5916\u7f6e\u76f8\u4f4d\u8865\u507f\u90e8\u4ef6<\/li>\n<li>\u56fa\u5b9a\u5f00\u5173\u9891\u7387\uff0c\u4f4e\u8f93\u51fa\u7eb9\u6ce2<\/li>\n<li>\u652f\u6301\u9ad8\u6548\u7387\u7684\u8f7b\u8d1f\u8f7d\u6a21\u5f0f\uff08PFM\u5de5\u4f5c\uff09<\/li>\n<li>\u5173\u65ad\/\u4f7f\u80fd\u63a7\u5236<\/li>\n<li>\u5185\u7f6eNch MOSFET<\/li>\n<li>\u8f6f\u542f\u52a8\u529f\u80fd<\/li>\n<li><span class=\"point\">\u8f93\u51fa\u8d1f\u8f7d\u8865\u507f\u529f\u80fd<\/span><\/li>\n<li>\u5404\u79cd\u4fdd\u62a4\u529f\u80fd<br \/>\n   \t&emsp;\uff0d\u8f93\u5165\u4f4e\u7535\u538b\u4fdd\u62a4\uff08Vin UVLO\uff09<br \/>\n   \t&emsp;\uff0d\u8fc7\u7535\u6d41\u4fdd\u62a4\uff08OCP\uff09<br \/>\n   \t&emsp;\uff0d\u6e29\u5ea6\u4fdd\u62a4\uff08TSD\uff09<\/li>\n<\/ul><\/div>\n<div class=\"fr\" style=\"width:320px;\">\n<p style=\"font-weight:bold; margin:0;\">&#12304;\u4e3b\u8981\u89c4\u683c&#12305;<\/p>\n<ul class=\"line-none\">\n<li><span class=\"point\">\u5de5\u4f5c\u7535\u6e90\u7535\u538b\uff1a 3V\uff5e40V<\/span><\/li>\n<li>SW\u5f15\u811a\u5de5\u4f5c\u7535\u538b\uff1a 60V (Max)<\/li>\n<li>\u8fc7\u7535\u6d41\u9650\u5236\uff1a 1.25A (Typ)<\/li>\n<li>\u5f00\u5173\u9891\u7387\uff1a 400kHz (Typ)<\/li>\n<li>\u57fa\u51c6\u7535\u538b\u7cbe\u5ea6\uff1a \u00b11.5% <\/li>\n<li>\u5173\u65ad\u65f6\u7535\u8def\u7535\u6d41\uff1a 0\u03bcA (Typ) <\/li>\n<li>\u5de5\u4f5c\u65f6\u7535\u8def\u7535\u6d41\uff1a 2mA (Typ) <\/li>\n<li>\u5de5\u4f5c\u7ed3\u70b9\u6e29\u5ea6\uff1a -40\u00b0C\uff5e+125\u00b0C<\/li>\n<\/ul>\n<p style=\"margin:0;\"><span class=\"point\">&#12304;\u5c01\u88c5&#12305;<\/span>W (Typ)\u00d7D (Typ)\u00d7H (Max)<\/p>\n<ul class=\"line-none\">\n<li>&emsp;HFN\u2192HSON8&emsp;&emsp;&emsp;2.90\u00d73.00\u00d70.60mm<\/li>\n<li>&emsp;EFJ\u2192HTSOP-J8&emsp;&emsp;4.90\u00d76.00\u00d71.00mm<\/li>\n<\/ul>\n<p style=\"font-weight:bold; margin:0;\">&#12304;\u7279\u8272\u4e8b\u9879&#12305;<\/p>\n<ul class=\"line-none\">\n<li><span class=\"point\">\u4fdd\u8bc1\u957f\u671f\u4f9b\u5e94<\/span>\uff0c\u6ee1\u8db3\u5de5\u4e1a\u8bbe\u5907\u9700\u6c42<\/li>\n<\/ul><\/div>\n<\/div>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/upload\/2018\/02\/20170627_graf_01.gif\" alt=\"20170627_graf_01\" width=\"700\" height=\"197\" class=\"aligncenter size-full wp-image-6388\" \/><\/p>\n<p class=\"question\">\uff0d\u4ece\u5de5\u4f5c\u7535\u538b\u4e3a40V\u3001\u5de5\u4f5c\u6e29\u5ea6\u8303\u56f4\u4e5f\u8fbe\u5230Tj -40\u2103\uff5e125\u2103\u6765\u770b\uff0c\u786e\u5b9e\u662f\u6709\u610f\u8bc6\u5730\u4e3a\u6ee1\u8db3\u5de5\u4e1a\u8bbe\u5907\u7684\u9700\u6c42\u800c\u8bbe\u8ba1\u7684\u3002<\/p>\n<p>\u7684\u786e\u5982\u6b64\u3002\u5f53\u7136\u4e5f\u53ef\u4ee5\u4f5c\u4e3a\u901a\u7528\u4ea7\u54c1\u4f7f\u7528\uff0c\u4f46\u6211\u4eec\u662f\u4ee5&ldquo;\u5de5\u4e1a\u8bbe\u5907\u7528\u7684\u9694\u79bb\u578b\u7535\u6e90&rdquo;\u4e3a\u524d\u63d0\u5f00\u53d1\u7684\u3002<span class=\"point\">40V<\/span>\u7684\u5de5\u4f5c\u7535\u538b\u4e0d\u4ec5\u652f\u6301\u5de5\u4e1a\u8bbe\u5907\u768412V\uff0c\u8fd8\u53ef\u5145\u5206\u5e94\u5bf924V\uff0c\u8fd8\u53ef\u4ece\u8fd9\u4e9b\u7535\u538b\u7535\u538b\u751f\u6210\u901a\u75285V\u548c\u6805\u6781\u9a71\u52a8\u5668\u7528\u7684\u00b115V\u7b49\u7535\u538b\u3002\u53e6\u5916\uff0c\u4ece3V\u8d77\u5373\u53ef\u5de5\u4f5c\uff0c\u56e0\u6b64\u8fd8\u53ef\u7528\u4e8e5V\u8f93\u5165\u7684\u5e94\u7528\u3002<\/p>\n<p class=\"question\">\uff0d\u8be5\u7cfb\u5217\u4e5f\u548c极悦娱乐\u7684\u5de5\u4e1a\u8bbe\u5907\u7528\u89c4\u683c&ldquo;-LB&rdquo;\u4e00\u6837\u4fdd\u8bc1\u957f\u671f\u4f9b\u5e94\u5bf9\u5427\u3002<\/p>\n<p>\u5173\u4e8e\u9762\u5411\u5de5\u4e1a\u9886\u57df\u4e13\u95e8\u5f00\u53d1\u7684\u4ea7\u54c1\uff0c\u5747\u5728\u529b\u63a8 &ldquo;<span class=\"point\">\u4fdd\u8bc1\u957f\u671f\u4f9b\u5e94<\/span>&rdquo;\u3002\u8fd9\u4e00\u70b9\u4e5f\u83b7\u5f97\u4e86\u5de5\u4e1a\u8bbe\u5907\u5ba2\u6237\u7684\u9ad8\u5ea6\u597d\u8bc4\u3002<\/p>\n<p class=\"question\">\uff0d\u8bf7\u4ecb\u7ecd\u4e00\u4e0b\u8be5\u7cfb\u5217\u7684\u7ec4\u6210\u3002<\/p>\n<p>BD7F\u7cfb\u5217\u76ee\u524d\u7531BD7F100HFN-LB\u3001BD7F100EFJ-LB\u3001BD7F200HFN-LB\u3001BD7F200EFJ-LB\u51714\u6b3e\u673a\u578b\u7ec4\u6210\u3002\u4e24\u79cd\u5143\u5668\u4ef6\u5404\u4ee5\u4e24\u79cd\u5c01\u88c5\u4f9b\u5e94\u3002\u901a\u8fc7\u8868\u683c\u6765\u770b\u4f1a\u4e00\u76ee\u4e86\u7136\u3002\u5ba2\u6237\u53ef\u6839\u636e\u8f93\u51fa\u529f\u7387\u548c\u89c4\u683c\u8981\u6c42\u6765\u9009\u7528\u3002BD7F200xxx-LB\u7684\u6700\u5c0f\u8f93\u5165\u7535\u538b\u4e3a8V\uff0c\u56e0\u6b64\u4e0d\u652f\u63015V\u8f93\u5165\u3002<\/p>\n<style>\n    .BD7F100HFN-LB {\n\t\twidth:100%;\n       margin-top:10px;\n       margin-bottom:30px;\n       font-size:10px;\n       text-align: center;\n       border-top: 1px solid #aaabaa;\n       border-left: 1px solid #aaabaa;\n    }\n     .BD7F100HFN-LB  thead tr th{\n       padding: 10px 4px !important;\n\t   font-size: 10px;\n       background-color: #eee;\n    }\n    .BD7F100HFN-LB  thead tr th,\n    .BD7F100HFN-LB  tbody tr td{\n        vertical-align: middle;\n        border-right: 1px solid #aaabaa;\n        border-bottom: 1px solid #aaabaa;\n        padding: 8px;\n    }\n<\/style>\n<div class=\"tbl_wrap\">\n<table class=\"BD7F100HFN-LB\">\n<thead>\n<tr>\n<th>\u54c1\u540d<\/th>\n<th>\u5c01\u88c5<\/th>\n<th >\u8f93\u51fa\u529f\u7387<\/th>\n<th>\u8f93\u5165<br \/>\u8010\u538b<\/th>\n<th>\u8f93\u5165\u7535\u538b<br \/>\u8303\u56f4<\/th>\n<th>\u8fc7\u7535\u6d41<br \/>\u9650\u5236<\/th>\n<th>\u5f00\u5173<br \/>\u9891\u7387<\/th>\n<th>\u5de5\u4f5c\u6e29\u5ea6<\/th>\n<th>\u529f\u80fd<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><a href=\"https:\/\/www.wfjydl.com\/products\/power-management\/dc-dc-converters-ics\/bd7f100hfn-lb-product\" target=\"_blank\" rel=\"noopener noreferrer\">BD7F100HFN-LB<\/a><\/td>\n<td>HSON8<\/td>\n<td rowspan=\"2\">1W (Vin=5V)<br \/>5W (Vin=24V)<\/td>\n<td rowspan=\"4\">45V<\/td>\n<td rowspan=\"2\">3.0~40V<\/td>\n<td rowspan=\"2\">1.25A<\/td>\n<td rowspan=\"4\">400kHz<br \/>(Typ.)<\/td>\n<td rowspan=\"4\">-40\u2103\uff5e+125\u2103<\/td>\n<td rowspan=\"4\">\u4f7f\u80fd<br \/>\u8f6f\u542f\u52a8<br \/>\u9ad8\u6548\u7387\u8f7b\u8d1f\u8f7d\u6a21\u5f0f<br \/>UVLObr<br \/>\u8fc7\u7535\u6d41\u4fdd\u62a4<br \/>\u70ed\u4fdd\u62a4<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/www.wfjydl.com\/products\/power-management\/dc-dc-converters-ics\/bd7f100efj-lb-product\" target=\"_blank\" rel=\"noopener noreferrer\">BD7F100EFJ-LB<\/a><\/td>\n<td>HTSOP-J8<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/www.wfjydl.com\/products\/power-management\/dc-dc-converters-ics\/bd7f200hfn-lb-product\" target=\"_blank\" rel=\"noopener noreferrer\">BD7F200HFN-LB<\/a><\/td>\n<td>HSON8<\/td>\n<td rowspan=\"2\">10W (Vin=24V)<\/td>\n<td rowspan=\"2\">8.0~40V<\/td>\n<td rowspan=\"2\">2.75A<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/www.wfjydl.com\/products\/power-management\/dc-dc-converters-ics\/bd7f200efj-lb-product\" target=\"_blank\" rel=\"noopener noreferrer\">BD7F200EFJ-LB<\/a><\/td>\n<td>HTSOP-J8<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p class=\"question\">\uff0d\u60a8\u5728\u524d\u9762\u4ecb\u7ecd\u7684\u7279\u70b9\u4e2d\uff0c\u5173\u65ad\/\u4f7f\u80fd\u3001\u8f6f\u542f\u52a8\u53ca\u5404\u79cd\u4fdd\u62a4\u529f\u80fd\u5728\u8fd1\u5e74\u6765\u7684\u7535\u6e90IC\u4e2d\u5c5e\u4e8e\u6807\u51c6\u529f\u80fd\uff0c\u800c&ldquo;\u81ea\u9002\u5e94\u5bfc\u901a\u65f6\u95f4\u63a7\u5236&rdquo;\u548c&ldquo;\u8f93\u51fa\u8d1f\u8f7d\u8865\u507f\u529f\u80fd&rdquo;\u662f极悦娱乐\u72ec\u6709\u7684\u529f\u80fd\u5427\u3002<\/p>\n<p>\u662f\u7684\u3002\u8fd9\u4e24\u79cd\u529f\u80fd\u5747\u91c7\u7528极悦娱乐\u72ec\u6709\u7684\u6280\u672f\u3002<\/p>\n<p class=\"question\">\uff0d\u8bf7\u60a8\u5206\u522b\u4ecb\u7ecd\u4e00\u4e0b\u53ef\u4ee5\u5417\uff1f<\/p>\n<p>\uff08<a href=\"\/tech-info\/engineer\/6394\">\u672a\u5b8c\u5f85\u7eed<\/a>\uff09<\/p>\n","protected":false},"excerpt":{"rendered":"\uff0d\u63a5\u4e0b\u6765\u8bf7\u60a8\u4ecb\u7ecd\u4e00\u4e0bBD7F\u7cfb\u5217IC\u7684\u529f\u80fd\u548c\u7279\u5f81\u3002 \u524d\u9762\u5df2\u7ecf\u6301\u7eed\u8fdb\u884c\u4e86\u8be6\u7ec6\u7684\u5de5\u4f5c\u8bf4\u660e\uff0c\u56e0\u6b64\u5728\u8fd9\u91cc\u518d\u91cd\u65b0\u5f3a\u8c03\u4e00\u4e0b\u57fa\u672c\u6982\u5ff5\u8981\u70b9\uff1aBD7F\u7cfb\u5217\u662f\u7528\u6765\u6784\u5efa\u9694\u79bb\u578b\u53cd\u6fc0\u5f0f\u8f6c\u6362\u5668\u7684IC\uff0c\u5728\u4e00\u6b21\u4fa7\u8fdb\u884c\u7a33\u5b9a\u5316\u63a7\u5236\uff0c\u4ece\u800c\u65e0\u9700\u53cd\u9988\u8def\u5f84\u7edd\u7f18\u7528\u7684 [&hellip;]","protected":false},"author":1,"featured_media":16511,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[166],"tags":[443,567,622,623,624,625],"class_list":["post-5304","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-engineer-engineer","tag-443","tag-567","tag-622","tag-40v","tag-624","tag-625"],"acf":[],"wps_subtitle":"","_links":{"self":[{"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/posts\/5304","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/comments?post=5304"}],"version-history":[{"count":13,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/posts\/5304\/revisions"}],"predecessor-version":[{"id":16512,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/posts\/5304\/revisions\/16512"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/media\/16511"}],"wp:attachment":[{"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/media?parent=5304"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/categories?post=5304"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/tags?post=5304"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}