{"id":6630,"date":"2020-01-22T00:00:46","date_gmt":"2020-01-21T15:00:46","guid":{"rendered":"https:\/\/techclass.wfjydl.com\/?p=6630"},"modified":"2021-11-12T14:43:38","modified_gmt":"2021-11-12T06:43:38","slug":"%e5%88%86%e6%b5%81%e7%a8%b3%e5%8e%8b%e5%99%a8%e7%94%b5%e8%b7%af%e9%83%a8%e5%88%86%ef%bc%9a%e5%a4%96%e5%9b%b4%e7%94%b5%e8%b7%af%e9%83%a8%e4%bb%b6%e7%9a%84%e9%80%89%e5%9e%8b","status":"publish","type":"post","link":"https:\/\/techclass.wfjydl.com\/knowledge\/acdc\/acdc_pwm\/acdc_pwm06\/8603","title":{"rendered":"\u5206\u6d41\u7a33\u538b\u5668\u7535\u8def\u90e8\u5206\uff1a\u5916\u56f4\u7535\u8def\u90e8\u4ef6\u7684\u9009\u578b"},"content":{"rendered":"

\u622a\u81f3\u4e0a\u4e00\u7bc7\u6587\u7ae0<\/a>\uff0c\u4ecb\u7ecd\u4e86\u6240\u7528\u7535\u6e90IC BM1R00147F<\/a>\u7684\u540c\u6b65\u6574\u6d41\u7535\u8def\u90e8\u5206\u7684\u5916\u56f4\u90e8\u4ef6\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u201c\u5206\u6d41\u7a33\u538b\u5668\u7535\u8def\u90e8\u5206\u7684\u5916\u56f4\u90e8\u4ef6\u201d\u3002<\/p>\n

\u7531\u4e8e\u7a0d\u5fae\u4f1a\u6d89\u53ca\u5230\u4e00\u4e9b\u540c\u6b65\u6574\u6d41\u7535\u8def\u90e8\u5206\u7684\u5185\u5bb9\uff0c\u56e0\u6b64\u5e0c\u671b\u518d\u6b21\u67e5\u770bBM1R00147F\u7684\u7ed3\u6784\u6846\u56fe\u65f6\uff0c\u8bf7\u53c2\u8003\u8fd9\u91cc<\/a>\u3002<\/p>\n

\u5206\u6d41\u7a33\u538b\u5668\u7535\u8def\u90e8\u5206\u7684\u5916\u56f4\u90e8\u4ef6<\/strong><\/p>\n

\n
\n

\u53f3\u56fe\u662fBM1R00147F\u7684\u5185\u90e8\u5206\u6d41\u7a33\u538b\u5668\u90e8\u5206\u7684\u7535\u8def\u56fe\u548c\u6240\u9700\u7684\u5916\u56f4\u90e8\u4ef6\u3002<\/p>\n

\u9996\u5148\u6765\u8ba1\u7b97\u8bbe\u7f6e\u8f93\u51fa\u7535\u538bVOUT\u7684\u7535\u963bRFB1<\/sub>\u548cRFB2<\/sub>\u3002\u5185\u7f6e\u5206\u6d41\u7a33\u538b\u5668\u4e3aCMOS\u7ed3\u6784\uff0c\u56e0\u6b64\u65e0\u9700\u786e\u4fdd\u7528\u4e8e\u5185\u90e8\u8fd0\u7b97\u653e\u5927\u5668\u5de5\u4f5c\u7684\u8f93\u5165\uff08SH_IN\uff09\u504f\u7f6e\u7535\u6d41\u3002\u6240\u4ee5\uff0cRFB1<\/sub>\u548cRFB2<\/sub>\u53ef\u7531\u8f83\u9ad8\u7684\u963b\u503c\u6784\u6210\uff0c\u901a\u8fc7\u5c06\u6d41\u8fc7\u7535\u963bRFB1<\/sub>\u548cRFB2<\/sub>\u7684IFB<\/sub>\u8bbe\u7f6e\u4e3a\u6700\u4f4e\uff0c\u53ef\u51cf\u5c11\u5f85\u673a\u529f\u8017\u3002<\/p>\n<\/p><\/div>\n

\n

\"\u5185\u7f6e\u5206\u6d41\u7a33\u538b\u5668\u90e8\u5206<\/p>\n<\/p><\/div>\n<\/div>\n

\u5982\u679c\u963b\u6297\u8fc7\u9ad8\uff0c\u5219\u53ef\u80fd\u4ea7\u751f\u5bf9\u566a\u58f0\u654f\u611f\u7b49\u4e0d\u7a33\u5b9a\u95ee\u9898\uff0c\u8003\u8651\u5230\u7a33\u5b9a\u8fd0\u884c\u800c\u9009\u7528\u4f7fIFB<\/sub>\u8fbe\u523010\u00b5A\u5de6\u53f3\u7684RFB1<\/sub>\u548cRFB2<\/sub>\u3002\u5185\u7f6e\u5206\u6d41\u7a33\u538b\u5668\u7684\u57fa\u51c6\u7535\u538bVREF=0.8V\uff08Typ\uff09\uff0cVOUT\u7531\u4ee5\u4e0b\u516c\u5f0f\u6765\u51b3\u5b9a\u3002<\/p>\n

\"VOUT\u8ba1\u7b97\"<\/p>\n

\u5728\u672c\u8bbe\u8ba1\u6848\u4f8b\u4e2d\uff0cVOUT\u4e3a5V\uff0cRFB1<\/sub>\u3001RFB2<\/sub>\u53ef\u901a\u8fc7\u4ee5\u4e0b\u516c\u5f0f\u6c42\u5f97\u3002<\/p>\n

\"RFB1\u3001RFB2\u8ba1\u7b97\"<\/p>\n

\u4ece\u516c\u5f0f\u4e2d\u53ef\u4ee5\u770b\u51fa\uff0c\u4e3a\u4e86\u5728VOU=5V\u6761\u4ef6\u4e0b\u5b9e\u73b0IFB<\/sub>=10\u00b5A\uff0c\u8bbeRFB1<\/sub>\u548cRFB2<\/sub>\u7684\u548c\u4e3a500k\u03a9\uff0c\u6c42\u51faRFB1<\/sub>\u548cRFB2<\/sub>\u7684\u6bd4\u7387\u4f7f\u5f97\u5206\u538b\u70b9\uff08SH_IN\uff09\u7684\u7535\u538b\u8fbe\u52300.8V\u5373\u53ef\u3002<\/p>\n

\u63a5\u7740\u6765\u786e\u5b9aCFB1<\/sub>\u548cCFB2<\/sub>\u3002CFB1<\/sub>\u662f\u76f8\u4f4d\u8865\u507f\u7528\u7684\u7535\u5bb9\u5668\uff0c\u9009\u75281000pF\u5de6\u53f3\u3002CFB2<\/sub>\u662fSH_IN\u5f15\u811a\u566a\u58f0\u6d88\u9664\u7528\u7684\u7535\u5bb9\u5668\uff0c\u5927\u81f4\u5728100\uff5e470pF\u5de6\u53f3\u5373\u53ef\u3002\u5728\u672c\u8bbe\u8ba1\u6848\u4f8b\u4e2d\u9009\u7528220pF\u3002<\/p>\n

\u53ef\u901a\u8fc7\u5bf9\u5149\u7535\u8026\u5408\u5668PC1\u65bd\u52a0\u504f\u7f6e\u7684\u7535\u963bRSH1<\/sub>\u6765\u8c03\u6574\u8f93\u51fa\u8d1f\u8f7d\u54cd\u5e94\u3002\u5c06RSH1<\/sub>\u8c03\u5c0f\u53ef\u4f7f\u8f93\u51fa\u8d1f\u8f7d\u54cd\u5e94\u53d8\u5feb\uff0c\u4ece\u800c\u6291\u5236\u8f93\u51fa\u7535\u538b\u7684\u8d1f\u8f7d\u6ce2\u52a8\u3002\u7136\u800c\uff0c\u63d0\u9ad8\u8d1f\u8f7d\u54cd\u5e94\u901f\u5ea6\u4e0e\u7a33\u5b9a\u6027\u4e4b\u95f4\u5b58\u5728\u6743\u8861\u5173\u7cfb\uff0c\u56e0\u6b64\u9700\u8981\u8fdb\u884c\u5145\u5206\u7684\u9a8c\u8bc1\u3002\u5728\u672c\u8bbe\u8ba1\u6848\u4f8b\u4e2d\u4e3a510\u03a9\u3002<\/p>\n

\u7535\u963bRSH2<\/sub>\u7528\u6765\u8bbe\u7f6e\u5185\u7f6e\u5206\u6d41\u7a33\u538b\u5668\u7684\u7535\u8def\u7535\u6d41\u3002\u5f53SH_IN=Low\u65f6\uff0cSH_OUT\u5f15\u811a\u7535\u6d41\u7684\u6700\u5927\u503cISH_OUT_max<\/sub>\u4e3a75\u00b5A\u3002\u6240\u4ee5\uff0c\u5149\u7535\u8026\u5408\u5668PC1\u7684Vf\u6700\u5c0f\u503cVf_min\u548cRSH2<\/sub>\u7684\u5173\u7cfb\u9700\u8981\u6ee1\u8db3\u4ee5\u4e0b\u516c\u5f0f\u3002<\/p>\n

\"Vf_min\u548cRSH2\u7684\u5173\u7cfb\"<\/p>\n

\u5f53\u5149\u7535\u8026\u5408\u5668PC1\u7684Vf_min=1.1V\u65f6\uff0c\u901a\u8fc7\u4ee5\u4e0b\u516c\u5f0f\u8ba1\u7b97\u51faRSH2<\/sub>\u572814.7k\u03a9\u4ee5\u4e0b\u3002<\/p>\n

\"RSH2\u8ba1\u7b97\"<\/p>\n

\u5728\u672c\u8bbe\u8ba1\u6848\u4f8b\u4e2d\uff0c\u8003\u8651\u5230\u4f59\u91cf\u6700\u7ec8\u9009\u752812k\u03a9\u3002<\/p>\n

\u4ee5\u4e0a\u662f\u5206\u6d41\u7a33\u538b\u5668\u7535\u8def\u90e8\u5206\u7684\u5916\u56f4\u90e8\u4ef6\u9009\u578b\u7684\u76f8\u5173\u4ecb\u7ecd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u622a\u81f3\u4e0a\u4e00\u7bc7\u6587\u7ae0\uff0c\u4ecb\u7ecd\u4e86\u6240\u7528\u7535\u6e90IC BM1R00147F\u7684\u540c\u6b65\u6574\u6d41\u7535\u8def\u90e8\u5206\u7684\u5916\u56f4\u90e8\u4ef6\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u201c\u5206\u6d41\u7a33\u538b\u5668\u7535\u8def\u90e8\u5206\u7684\u5916\u56f4\u90e8\u4ef6\u201d\u3002 \u7531\u4e8e\u7a0d\u5fae\u4f1a\u6d89\u53ca\u5230\u4e00\u4e9b\u540c\u6b65\u6574\u6d41\u7535\u8def\u90e8\u5206\u7684\u5185\u5bb9\uff0c\u56e0\u6b64\u5e0c\u671b\u518d\u6b21\u67e5\u770bBM1R00147F\u7684\u7ed3\u6784\u6846 […]","protected":false},"author":1,"featured_media":16634,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1102],"tags":[218,853,1041,1103,1104,1105,1106,1109,1110],"class_list":["post-6630","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-acdc_pwm06","tag-218","tag-853","tag-1041","tag-ac-dc","tag-1104","tag-1105","tag-bm1r001xxf"],"acf":[],"wps_subtitle":"","_links":{"self":[{"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/posts\/6630","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=6630"}],"version-history":[{"count":11,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/posts\/6630\/revisions"}],"predecessor-version":[{"id":16635,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/posts\/6630\/revisions\/16635"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/media\/16634"}],"wp:attachment":[{"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/media?parent=6630"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/categories?post=6630"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/techclass.wfjydl.com\/wp-json\/wp\/v2\/tags?post=6630"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}