{"id":1105,"date":"2018-09-26T14:30:48","date_gmt":"2018-09-26T14:30:48","guid":{"rendered":""},"modified":"2018-09-26T22:31:16","modified_gmt":"2018-09-26T14:31:16","slug":"60v%e3%80%81%e5%8f%8c%e8%b7%af%e3%80%81%e4%b8%a4%e7%9b%b8%e5%8d%87%e5%8e%8b%e6%8e%a7%e5%88%b6%e5%99%a8%e8%83%bd%e5%a4%9f%e7%ba%a7%e8%81%94%e8%be%93%e5%87%ba%e4%bb%a5%e8%b0%83%e8%8a%82","status":"publish","type":"post","link":"http:\/\/www.szryc.com\/?p=1105","title":{"rendered":"60V\u3001\u53cc\u8def\u3001\u4e24\u76f8\u5347\u538b\u63a7\u5236\u5668\u80fd\u591f\u7ea7\u8054\u8f93\u51fa\u4ee5\u8c03\u8282"},"content":{"rendered":"

\u4e2d\u56fd\u5317\u4eac – 2018 \u5e74 9 \u6708 26 \u65e5 – <\/strong>Analog Devices, Inc (ADI) \u5ba3\u5e03\u63a8\u51fa Power by Linear™ LTC7840\uff0c\u8fd9\u662f\u4e00\u6b3e\u4e24\u76f8\u5f02\u6b65\u5347\u538b\u63a7\u5236\u5668\uff0c\u53ef\u9a71\u52a8\u4e24\u7ea7\u5916\u90e8 N \u6c9f\u9053\u529f\u7387 MOSFET \u3002\u8be5\u5668\u4ef6\u53ef\u4ee5\u914d\u7f6e\u4e3a\u5355\u8def\u6216\u53cc\u8def\u8f93\u51fa\u5347\u538b\u7a33\u538b\u5668\uff0c\u6216\u8005\u5982\u9700\u63d0\u4f9b\u8f83\u9ad8\u7684\u7535\u538b\uff0c\u5219\u7b2c\u4e00\u4e2a\u901a\u9053\u7684\u8f93\u51fa\u53ef\u4ee5\u9988\u5165\u7b2c\u4e8c\u4e2a\u901a\u9053\u7684\u8f93\u5165\uff0c\u4ece\u800c\u4ea7\u751f\u4e00\u4e2a\u8d85\u8fc7\u51e0\u767e\u4f0f\u7684\u8f93\u51fa\u7535\u538b\u3002LTC7840 \u7684\u4e00\u79cd\u5178\u578b\u5e94\u7528\u662f\u5229\u7528\u7b2c\u4e00\u4e2a\u901a\u9053\u5c06 12V \u8f93\u5165\u7535\u538b\u63d0\u5347\u5230 48V\uff0c\u7b2c\u4e8c\u4e2a\u901a\u9053\u5c06 48V \u5347\u538b\u81f3 240V \u5e76\u63d0\u4f9b\u9ad8\u8fbe 700mA \u7684\u8f93\u51fa\u7535\u6d41\uff0c\u56e0\u800c\u4f7f\u5176\u975e\u5e38\u9002\u5408\u6c7d\u8f66\u3001\u5de5\u4e1a\u548c\u533b\u7597\u5e94\u7528\u3002

\n <\/span><\/span><\/p>\n

\n\t <\/span><\/div>\n

 

\n· \u67e5\u770b LTC7840 \u4ea7\u54c1\u9875\u9762\u3001\u4e0b\u8f7d\u6570\u636e\u624b\u518c\u3001\u7533\u8bf7\u6837\u7247\u548c\u8ba2\u8d2d\u8bc4\u4f30\u677f\uff1awww.analog.com\/cn\/LTC7840 

\n

\nLTC7840 \u5728 5.5V \u81f3 60V \u7684\u8f93\u5165\u7535\u538b\u8303\u56f4\u5185\u5de5\u4f5c\uff0c\u5e76\u6839\u636e\u5916\u90e8\u7ec4\u4ef6\u7684\u9009\u62e9\u6765\u8c03\u8282\u8f93\u51fa\u7535\u538b\u3002\u53ef\u5bf9\u591a\u8fbe 4 \u4e2a\u529f\u7387\u7ea7\u91c7\u7528\u5f02\u76f8\u65f6\u949f\uff0c\u4ee5\u6700\u5927\u9650\u5ea6\u964d\u4f4e\u8f93\u5165\u548c\u8f93\u51fa\u6ee4\u6ce2\u8981\u6c42\u3002\u5916\u90e8 MOSFET \u4ee5\u4e00\u4e2a\u56fa\u5b9a\u7684\u9891\u7387 (\u8bbe\u7f6e\u8303\u56f4\u4e3a 50kH \u81f3 425kHz) \u6267\u884c\u5f00\u5173\u64cd\u4f5c\uff0c\u5e76\u53ef\u540c\u6b65\u81f3\u4e00\u4e2a\u5916\u90e8\u65f6\u949f\u3002LTC7840 \u7684\u6bcf\u4e2a\u901a\u9053\u8fd8\u53ef\u4ee5\u914d\u7f6e\u4e3a SEPIC \u6216\u53cd\u6fc0\u5f0f\u62d3\u6251\uff0c\u4ece\u800c\u4f7f\u5176\u62e5\u6709\u9ad8\u5ea6\u7075\u6d3b\u6027\u3002\u5176\u4ed6\u7279\u70b9\u5305\u62ec\u53ef\u8c03\u6700\u5927\u5360\u7a7a\u6bd4\u3001\u53ef\u8c03\u6700\u77ed\u5bfc\u901a\u65f6\u95f4\uff0c\u4ee5\u53ca\u5cf0\u503c\u7535\u6d41\u6a21\u5f0f\u63a7\u5236\u4e0b\u7684\u8fc7\u8f7d\u548c\u8fc7\u538b\u4fdd\u62a4\u3002

\n

\nLTC7840 \u6709\u73b0\u8d27\u4f9b\u5e94\uff0c\u53ef\u63d0\u4f9b\u4e24\u79cd\u8010\u70ed\u6027\u80fd\u589e\u5f3a\u578b 28 \u5f15\u811a\u5c01\u88c5\uff1a\u6241\u5e73 4mm x 5mm QFN \u548c TSSOP \u5c01\u88c5\u3002E \u548c I \u7ea7\u5668\u4ef6\u89c4\u683c\u5728 –40°C \u81f3 125°C \u7684\u5de5\u4f5c\u7ed3\u6e29\u8303\u56f4\uff0c\u800c H \u7ea7\u5668\u4ef6\u7684\u5de5\u4f5c\u6e29\u5ea6\u8303\u56f4\u4e3a –40°C \u81f3 150°C\u3002\u5982\u9700\u66f4\u591a\u4fe1\u606f\uff0c\u8bf7\u767b\u5f55 www.analog.com\/cn\/LTC7840\u3002

\n 

\n\u7279\u6027\u6982\u8981\uff1a<\/strong>LTC7840<\/strong>

\n· \u5bbd VIN<\/span> \u8303\u56f4\uff1a5.5V \u81f3 60V

\n· \u5355\u8def\u6216\u53cc\u8def\u8f93\u51fa\u4e24\u76f8\u64cd\u4f5c

\n· \u7528\u4e8e\u6ee1\u8db3\u9ad8 VOUT<\/span> \u5e94\u7528\u7684\u591a\u76f8\u7ea7\u8054

\n· \u53ef\u8c03\u6700\u5927\u5360\u7a7a\u6bd4

\n· \u53ef\u8c03\u6700\u77ed\u5bfc\u901a\u65f6\u95f4

\n· \u901a\u8fc7\u6253\u55dd\u6a21\u5f0f\u5b9e\u73b0\u8fc7\u6d41\u4fdd\u62a4

\n· \u8f93\u51fa\u8fc7\u538b\u4fdd\u62a4

\n· \u53ef\u8bbe\u7f6e\u548c\u53ef\u9501\u76f8\u5de5\u4f5c\u9891\u7387\uff1a50kHz \u81f3 425kHz

\n· \u53ef\u8c03\u7535\u6d41\u9650\u5236

\n· \u7528\u4e8e\u6805\u6781\u9a71\u52a8\u5668\u7684\u5185\u90e8 10V LDO \u7a33\u538b\u5668

\n· \u4e24\u4e2a RUN \u5f15\u811a\u548c\u53cc\u901a\u9053\u7535\u6e90\u826f\u597d\u76d1\u89c6\u5668

\n· \u5f02\u6b65\u62d3\u6251 \/ VOUT<\/span> \u4ec5\u53d7\u9650\u4e8e\u5916\u90e8\u7ec4\u4ef6\u7684\u9009\u62e9 

\n· \u9002\u5408\u4e8e\u5347\u538b\u3001SEPIC \u548c\u53cd\u6fc0\u5f0f\u7684\u7075\u6d3b\u62d3\u6251

\n 

\n\u4ef7\u683c\u4e0e\u4f9b\u8d27<\/strong>

\n <\/span><\/span>
<\/p>\n\n\n\n\n
\n\t\t\t\t\u4ea7\u54c1<\/strong><\/span><\/span><\/td>\n\n\t\t\t\t\u91cf\u4ea7\u4f9b\u8d27<\/strong><\/span><\/span><\/td>\n\n\t\t\t\t\u5343\u7247\u6279\u91cf\u7684<\/strong>

\n\t\t\t\t\u8d77\u59cb\u4ef7<\/strong><\/span><\/td>\n		\n\t\t\t\t\u5c01\u88c5<\/strong><\/span><\/span><\/td>\n<\/tr>\n
\n\t\t\t\tLTC7840<\/span><\/span><\/td>\n\n\t\t\t\t\u73b0\u5df2\u4f9b\u8d27<\/span><\/td>\n\n\t\t\t\t\u6bcf\u7247 3.20 \u7f8e\u5143<\/span><\/td>\n\n\t\t\t\t\u8010\u70ed\u6027\u80fd\u589e\u5f3a\u578b 

\n\t\t\t\t28 \u5f15\u811a QFN \u548c TSSOP<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 

\nAnalog Devices \u516c\u53f8\u7b80\u4ecb<\/strong>

\nAnalog Devices, Inc. \u662f\u5168\u7403\u9886\u5148\u7684\u9ad8\u6027\u80fd\u6a21\u62df\u6280\u672f\u516c\u53f8\uff0c\u81f4\u529b\u4e8e\u89e3\u51b3\u6700\u68d8\u624b\u7684\u5de5\u7a0b\u8bbe\u8ba1\u96be\u9898\u3002\u6211\u4eec\u4f7f\u5ba2\u6237\u80fd\u591f\u5229\u7528\u65e0\u4e0e\u4f26\u6bd4\u7684\u6280\u672f\u8fdb\u884c\u68c0\u6d4b\u3001\u6d4b\u91cf\u3001\u4f9b\u7535\u3001\u8fde\u63a5\u548c\u89e3\u8bfb\uff0c\u667a\u80fd\u5730\u5728\u73b0\u5b9e\u548c\u6570\u5b57\u9886\u57df\u4e4b\u95f4\u67b6\u8d77\u6865\u6881\uff0c\u4ece\u800c\u4e86\u89e3\u6211\u4eec\u5468\u56f4\u7684\u4e16\u754c\u3002<\/span><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

\u4e2d\u56fd\u5317\u4eac 2018 \u5e749 \u670826 \u65e5 Analog Devices, Inc (ADI)\u5ba3\u5e03\u63a8\u51faPower by LinearLTC7840\uff0c\u8fd9\u662f\u4e00\u6b3e\u4e24\u76f8\u5f02\u6b65\u5347\u538b\u63a7\u5236\u5668\uff0c\u53ef\u9a71\u52a8\u4e24\u7ea7\u5916\u90e8N \u6c9f\u9053\u529f\u7387MOSFET \u3002\u8be5\u5668\u4ef6\u53ef\u4ee5\u914d\u7f6e\u4e3a\u5355\u8def\u6216\u53cc\u8def\u8f93\u51fa\u5347\u538b\u7a33\u538b\u5668<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[],"class_list":["post-1105","post","type-post","status-publish","format-standard","hentry","category-10"],"_links":{"self":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts\/1105","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1105"}],"version-history":[{"count":0,"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts\/1105\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1105"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1105"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1105"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}