{"id":38788,"date":"2020-04-29T13:03:00","date_gmt":"2020-04-29T18:03:00","guid":{"rendered":"https:\/\/flex.com\/resources\/the-benefits-of-hybrid-regulated-ratio-topologies-for-ibcs"},"modified":"2026-03-15T14:54:24","modified_gmt":"2026-03-15T19:54:24","slug":"the-benefits-of-hybrid-regulated-ratio-topologies-for-ibcs","status":"publish","type":"resource","link":"https:\/\/flex.com\/zh\/resources\/the-benefits-of-hybrid-regulated-ratio-topologies-for-ibcs","title":{"rendered":"\u6df7\u5408\u8c03\u8282\u6bd4\u4f8b\u62d3\u6251\u7ed3\u6784\u5bf9IBC\u7684\u4f18\u52bf"},"content":{"rendered":"<div id=\"overscroll-top\" style=\"background-color: #eaeef4;\"><\/div>\n<div class=\"resource-header block\">\n\t<div class=\"container\">\n\t\t<div class=\"breadcrumb\">\n\t\t\t<a title=\"\u4e3b\u9875\" href=\"\/zh\/\">Flex<\/a>\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 384 512\"><path d=\"M365.3 256l-22.6 22.6-192 192L128 493.3 82.7 448l22.6-22.6L274.7 256 105.4 86.6 82.7 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class=\"categories-wrapper\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"cat-tag\">\u6587\u7ae0<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"cat-tag\" data-cat-level=\"2\" data-destination=\"\/industries\/communications#resources\" href=\"\/zh\/industries\/communications\/#resources\">\u901a\u4fe1<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"cat-tag\" data-cat-level=\"3\" data-destination=\"https:\/\/flex.com\/industries\/data-center?subcategories=data-center-power#resources\" href=\"https:\/\/flex.com\/zh\/industries\/data-center\/?subcategories=data-center-power#resources\">\u6570\u636e\u4e2d\u5fc3\u7535\u6e90<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"cat-tag\" data-cat-level=\"3\" data-destination=\"\/industries\/industrial?subcategories=power#resources\" href=\"\/zh\/industries\/industrial\/?subcategories=power#resources\">\u7535\u6e90<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"cat-tag\" data-cat-level=\"2\" data-destination=\"\/power-modules#resources\" href=\"\/zh\/power-modules\/#resources\">\u7535\u6e90\u6a21\u5757<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t<\/div>\n<\/div>\n\n\n\n<div class=\"sidebar block normal-sidebar\">\n\t<div class=\"container\">\n\t\t<div class=\"content\">\n\t\t\t\n\n<h2 class=\"wp-block-heading\" id=\"h-a-third-way-for-isolated-ibcs\">\u5b64\u7acb\u6027IBC\u7684\u7b2c\u4e09\u79cd\u65b9\u6cd5<\/h2>\n\n\n\n<p>\u5728\u8bbe\u8ba1\u6570\u636e\u4e2d\u5fc3\u7b49\u5e94\u7528\u7684\u5206\u5e03\u5f0f\u7535\u6e90\u67b6\u6784\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u9694\u79bb\u5f0f\u4e2d\u95f4\u603b\u7ebf\u8f6c\u6362\u5668 (IBC) \u5c06\u6807\u79f0 48V \u6216 54V \u7684\u8f93\u5165\u7535\u538b\u8f6c\u6362\u4e3a 10V \u81f3 12V \u7684\u603b\u7ebf\u7535\u538b\uff0c\u4f9b\u4e00\u4e2a\u6216\u591a\u4e2a\u4e0b\u6e38\u8d1f\u8f7d\u70b9 (PoL) \u8f6c\u6362\u5668\u4f7f\u7528\u3002\u8fc7\u53bb\uff0c\u4e3b\u8981\u6709\u4e24\u79cd\u65b9\u6cd5\uff1a\u4e00\u79cd\u662f\u7b80\u5355\u7684\u56fa\u5b9a\u6bd4\u7387\u8f6c\u6362\u5668\uff0c\u5176\u8f93\u51fa\u4e0d\u7a33\u538b\uff1b\u53e6\u4e00\u79cd\u662f\u5177\u6709\u5b8c\u5168\u7a33\u538b\u529f\u80fd\u7684\u56fa\u5b9a\u8f93\u51fa\u8f6c\u6362\u5668\u3002.<\/p>\n\n\n\n<p>\u76ee\u524d\uff0c\u6df7\u5408\u7a33\u538b\u6bd4\uff08HRR\uff09\u53d8\u6362\u5668\u5df2\u7ecf\u53d1\u5c55\u8d77\u6765\uff0c\u5b83\u7ed3\u5408\u4e86\u4e24\u79cd\u53d8\u6362\u5668\u7684\u4f18\u52bf\uff0c\u80fd\u591f\u6839\u636e\u8f93\u5165\u7535\u538b\u5728\u4e24\u79cd\u6a21\u5f0f\u4e4b\u95f4\u65e0\u7f1d\u5207\u6362\u3002\u4e3a\u4e86\u5145\u5206\u7406\u89e3HRR\u7684\u4ef7\u503c\uff0c\u6709\u5fc5\u8981\u6bd4\u8f83HRR\u53d8\u6362\u5668\u3001\u56fa\u5b9a\u6bd4\u53d8\u6362\u5668\u548c\u56fa\u5b9a\u8f93\u51fa\u53d8\u6362\u5668\u7684\u8fd0\u884c\u7279\u6027\uff0c\u5e76\u7ed3\u5408\u5178\u578b\u7684\u5de5\u4f5c\u6761\u4ef6\u8fdb\u884c\u5206\u6790\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-background-and-operating-principles\">\u80cc\u666f\u548c\u8fd0\u884c\u539f\u7406<\/h2>\n\n\n\n<p>\u56de\u60f3\u4e00\u4e0b\uff0c\u6865\u5f0f\u5f00\u5173\u7535\u6e90\u8f6c\u6362\u5668\u7684\u8109\u51b2\u5bbd\u5ea6\u8c03\u5236 (PWM) \u7528\u4e8e\u63a7\u5236\u8f93\u51fa\u7535\u538b\u2014\u2014\u8f83\u957f\u7684\u5f00\u5173\u5bfc\u901a\u65f6\u95f4\u4f1a\u589e\u52a0\u8f93\u51fa\u7684\u5e73\u5747\u7535\u538b\uff0c\u800c\u8f83\u77ed\u7684\u5bfc\u901a\u65f6\u95f4\u5219\u4f1a\u964d\u4f4e\u5e73\u5747\u7535\u538b\uff0c\u5e76\u901a\u8fc7\u8f93\u51fa\u6ee4\u6ce2\u5668\u5c06\u6ce2\u5f62\u5e73\u6ed1\u81f3\u76f4\u6d41\u3002PWM \u53ef\u4ee5\u68c0\u6d4b\u8f93\u51fa\u7535\u538b\uff0c\u5e76\u7528\u4e8e\u8865\u507f\u8f93\u5165\u7535\u538b\u7684\u53d8\u5316\uff0c\u53d8\u538b\u5668\u531d\u6570\u6bd4\u7684\u8bbe\u7f6e\u4f7f\u5f97\u5728\u6700\u5c0f\u8f93\u5165\u7535\u538b\u4e0b\u5360\u7a7a\u6bd4\u63a5\u8fd1 100%\u3002\u968f\u7740\u8d1f\u8f7d\u7684\u589e\u52a0\uff0c\u5360\u7a7a\u6bd4\u4e5f\u4f1a\u9010\u6e10\u589e\u5927\uff0c\u56e0\u4e3a\u8f6c\u6362\u5668\u9700\u8981\u8865\u507f\u9ad8\u7535\u6d41\u4e0b\u589e\u5927\u7684\u7535\u538b\u964d\u3002\u5728\u63a5\u8fd1 100% \u7684\u5360\u7a7a\u6bd4\u4e0b\uff0c\u8f93\u51fa\u7535\u611f\u5668\u5728\u5173\u65ad\u671f\u95f4\u51e0\u4e4e\u4e0d\u9700\u8981\u5b58\u50a8\u80fd\u91cf\uff0c\u8f93\u5165\u548c\u8f93\u51fa\u5f00\u5173\u7535\u6d41\u63a5\u8fd1\u8fde\u7eed\u7535\u6d41\uff0c\u5176\u5e73\u5747\u503c\u63a5\u8fd1\u5747\u65b9\u6839\u503c\u3002\u76f8\u53cd\uff0c\u5728\u4f4e\u5360\u7a7a\u6bd4\u4e0b\uff0c\u6bcf\u4e2a\u5f00\u5173\u5468\u671f\u90fd\u5fc5\u987b\u5b58\u50a8\u548c\u91ca\u653e\u5927\u91cf\u80fd\u91cf\uff0c\u7535\u6d41\u6ce2\u5f62\u7684\u5cf0\u5747\u6bd4\u5f88\u9ad8\uff0c\u56e0\u6b64\u5747\u65b9\u6839\u503c\u4e5f\u5f88\u9ad8\uff0c\u8fd9\u4e24\u79cd\u6548\u5e94\u90fd\u4f1a\u589e\u52a0\u635f\u8017\u3002\u56e0\u6b64\uff0c\u7a33\u538b\u8f6c\u6362\u5668\u7684\u6700\u9ad8\u6548\u7387\u901a\u5e38\u5728\u6700\u5c0f\u8f93\u5165\u7535\u538b\u548c\u9ad8\u8d1f\u8f7d\u4e0b\u83b7\u5f97\u3002\u5728\u9ad8\u8f93\u5165\u7535\u538b\u548c\u8f7b\u8d1f\u8f7d\u4e0b\uff0c\u7531\u4e8e\u5360\u7a7a\u6bd4\u4f4e\uff0c\u6548\u7387\u4f1a\u53d7\u5230\u5f71\u54cd\u3002\u7136\u800c\uff0c\u7a33\u538b\u8f6c\u6362\u5668\u53ef\u4ee5\u8bbe\u7f6e\u4e3a\u5411\u4e0b\u6e38\u7535\u6e90\u4f9b\u7535 (PoL) \u63d0\u4f9b\u56fa\u5b9a\u7684\u6700\u4f73\u8f93\u51fa\u7535\u538b\uff0c\u4ece\u800c\u5728\u4e00\u5b9a\u7a0b\u5ea6\u4e0a\u6062\u590d\u7cfb\u7edf\u6548\u7387\u3002\u8f93\u5165\u7535\u538b\u8303\u56f4\u4e5f\u5f88\u5bbd\uff0c\u53ef\u4ee5\u8f7b\u677e\u8986\u76d6 ETSI \u6807\u51c6\u7684 36V \u81f3 72V\u3002.<\/p>\n\n\n\n<p>\u56fa\u5b9a\u6bd4\u7387\u8f6c\u6362\u5668\u5728\u6240\u6709\u5de5\u51b5\u4e0b\u5747\u4ee5\u63a5\u8fd1 100% \u7684\u5360\u7a7a\u6bd4\u8fd0\u884c\uff0c\u4ec5\u9700\u4e00\u4e2a\u975e\u5e38\u5c0f\u7684\u8f93\u51fa\u50a8\u80fd\u7535\u611f\uff0c\u5e76\u4e14\u7531\u4e8e\u5176\u8f93\u5165\u548c\u8f93\u51fa RMS \u7535\u6d41\u8f83\u4f4e\uff0c\u56e0\u6b64\u5728\u8f83\u5bbd\u7684\u8f93\u5165\u7535\u538b\u8303\u56f4\u5185\u90fd\u80fd\u4fdd\u6301\u9ad8\u6548\u3002\u5728\u76f8\u540c\u7684\u7eb9\u6ce2\u7535\u538b\u4e0b\uff0c\u7531\u4e8e\u7eb9\u6ce2\u7535\u6d41\u59cb\u7ec8\u5f88\u4f4e\uff0c\u56e0\u6b64\u8f93\u51fa\u7535\u5bb9\u4e5f\u53ef\u4ee5\u66f4\u5c0f\u3002\u7136\u800c\uff0c\u5176\u8f93\u5165\u8303\u56f4\u901a\u5e38\u53d7\u5230\u9650\u5236\u2014\u2014\u4f8b\u5982\uff0c\u5bf9\u4e8e 5:1 \u7684\u53d8\u538b\u5668\u6bd4\u7387\uff0c\u5f53\u8f93\u5165\u7535\u538b\u4e3a 36V \u81f3 72V \u65f6\uff0c\u8f93\u51fa\u7535\u538b\u4f1a\u5728\u5927\u7ea6 7V \u81f3 14.4V \u4e4b\u95f4\u53d8\u5316\u3002\u8fd9\u5c06\u9650\u5236 PoL \u5fc5\u987b\u662f\u5bbd\u8f93\u5165\u7c7b\u578b\uff0c\u800c\u5bbd\u8f93\u5165\u7c7b\u578b\u6548\u7387\u8f83\u4f4e\uff0c\u5c24\u5176\u662f\u5728 7V \u8f93\u5165\u65f6\uff0c\u56e0\u4e3a\u5728\u76f8\u540c\u7684 PoL \u8f93\u51fa\u8d1f\u8f7d\u529f\u7387\u4e0b\uff0c\u7535\u6d41\u4f1a\u66f4\u9ad8\u3002\u56e0\u6b64\uff0c\u56fa\u5b9a\u6bd4\u7387\u8f6c\u6362\u5668\u901a\u5e38\u88ab\u6307\u5b9a\u7528\u4e8e\u8f83\u7a84\u7684\u8f93\u5165\u8303\u56f4\uff0c\u901a\u5e38\u4e3a 45V \u81f3 54V\uff0c\u8fd9\u9650\u5236\u4e86\u5b83\u4eec\u7684\u5e94\u7528\u8303\u56f4\u3002\u53e6\u4e00\u4e2a\u7f3a\u70b9\u662f\uff0c\u56fa\u5b9a\u6bd4\u7387\u8f6c\u6362\u5668\u8f93\u5165\u7aef\u7684\u7535\u538b\u6d6a\u6d8c\u4f1a\u76f4\u63a5\u4f20\u9012\u5230\u8f93\u51fa\u7aef\uff0c\u4ece\u800c\u53ef\u80fd\u5bf9 PoL \u9020\u6210\u538b\u529b\u5e76\u4ea7\u751f\u7535\u78c1\u5e72\u6270 (EMI)\u3002. <\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-hrr-is-the-best-of-both-worlds\">HRR \u517c\u5177\u4e24\u8005\u7684\u4f18\u70b9<\/h2>\n\n\n\n<p>HRR \u6280\u672f\u517c\u5177\u4e24\u79cd\u65b9\u6cd5\u7684\u4f18\u70b9\uff1b\u5728\u4f4e\u8f93\u5165\u7535\u538b\u4e0b\uff0c\u8f6c\u6362\u5668\u4ee5\u63a5\u8fd1 100% \u7684\u5360\u7a7a\u6bd4\u8fd0\u884c\uff0c\u4f46\u5728\u9ad8\u4e8e\u8bbe\u5b9a\u503c\u65f6\uff0c\u5219\u65e0\u7f1d\u5207\u6362\u5230 PWM \u63a7\u5236\uff0c\u4ece\u800c\u9650\u5236\u8f93\u51fa\u7535\u538b\u3002\u5176\u6548\u679c\u5982\u56fe\u6240\u793a\u3002 <strong>\u56fe 1<\/strong>, \u672c\u6587\u5c06\u5178\u578b\u7684 5:1 \u56fa\u5b9a\u6bd4\u7387\u8f6c\u6362\u5668\u4e0e\u9ad8\u963b (HRR) \u8f6c\u6362\u5668\uff08\u4f8b\u5982\u67d0\u4e9b PKU-D \u7cfb\u5217\u578b\u53f7\uff09\u7684\u8f93\u51fa\u7535\u538b\u8fdb\u884c\u6bd4\u8f83\uff0c\u540e\u8005\u5728 35V \u81f3 75V \u7684\u8f93\u5165\u7535\u538b\u8303\u56f4\u5185\uff0c\u8f93\u51fa\u7535\u538b\u9650\u5236\u5728 12V\u3002\u56fa\u5b9a\u6bd4\u7387\u8f6c\u6362\u5668\u5728\u8f93\u5165\u7535\u538b\u8d85\u8fc7 65V \u65f6\u4f1a\u5f3a\u5236\u5173\u65ad\uff0c\u4ee5\u5c06\u8f93\u51fa\u7535\u538b\u9650\u5236\u5728\u5b89\u5168\u503c\u3002\u800c\u91c7\u7528 4:1 \u6bd4\u7387\u53d8\u538b\u5668\u7684\u9ad8\u963b\u8f6c\u6362\u5668\uff0c\u5176\u8bbe\u8ba1\u4f7f\u5176\u5728\u6807\u79f0\u8f93\u5165\u5de5\u4f5c\u7535\u538b\uff08\u672c\u4f8b\u4e2d\u4e3a 54V\uff09\u4e0b\u4ecd\u80fd\u4fdd\u6301 100% \u5360\u7a7a\u6bd4\u6a21\u5f0f\uff0c\u56e0\u6b64\u5728 36V \u81f3 60V \u5de6\u53f3\u7684\u8f93\u5165\u7535\u538b\u8303\u56f4\u5185\uff0c\u5176\u8f93\u51fa\u7535\u538b\u9ad8\u4e8e\u56fa\u5b9a\u6bd4\u7387\u8f6c\u6362\u5668\u3002\u4e8b\u5b9e\u4e0a\uff0c\u5b83\u751a\u81f3\u53ef\u4ee5\u627f\u53d7\u9ad8\u8fbe 80V \u7684\u77ed\u671f\u8fc7\u7535\u538b\u800c\u4e0d\u4f1a\u5931\u53bb\u8f93\u51fa\u63a7\u5236\u3002. <\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1771\" height=\"1181\" src=\"https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_1.jpg\" alt=\"\" class=\"wp-image-34125\" title=\"\" srcset=\"https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_1.jpg 1771w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_1-768x512.jpg 768w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_1-1536x1024.jpg 1536w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_1-18x12.jpg 18w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_1-258x172.jpg 258w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_1-300x200.jpg 300w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_1-564x376.jpg 564w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_1-1176x784.jpg 1176w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_1-1200x800.jpg 1200w\" sizes=\"auto, (max-width: 1771px) 100vw, 1771px\" \/><\/figure>\n\n\n\n<p><em>\u56fe 1\uff1a\u5728\u8f83\u4f4e\u7684\u8f93\u5165\u7535\u538b (Vin) \u4e0b\uff0cHRR \u8fd0\u884c\u7c7b\u4f3c\u4e8e\u56fa\u5b9a\u6bd4\u7387\u8fd0\u884c\uff0c\u4f46\u5728\u8f83\u9ad8\u7684\u8f93\u5165\u7535\u538b (Vin) \u4e0b\uff0cHRR \u8fd0\u884c\u4f1a\u9650\u5236\u8f93\u51fa\u7535\u538b (Vout)\u3002<\/em><\/p>\n\n\n\n<p>\u901a\u8fc7\u8003\u5bdf HRR \u5728\u5404\u79cd\u6761\u4ef6\u4e0b\u7684\u8fd0\u884c\u60c5\u51b5\uff0c\u53ef\u4ee5\u63ed\u793a\u5982\u4f55\u6700\u5927\u9650\u5ea6\u5730\u5229\u7528\u8f6c\u6362\u5668\uff0c\u5e76\u91cf\u5316\u5176\u5728\u6548\u7387\u548c\u7cfb\u7edf\u8bbe\u8ba1\u65b9\u9762\u7684\u4f18\u52bf\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-hrr-and-fully-regulated-converter-comparison\">HRR\u4e0e\u5168\u7a33\u538b\u8f6c\u6362\u5668\u7684\u6bd4\u8f83<\/h2>\n\n\n\n<p><strong>\u56fe 2<\/strong> \u548c <strong>\u56fe 3<\/strong> \u56fe 2 \u5c55\u793a\u4e86 HRR \u8f6c\u6362\u5668\u7684\u529f\u7387\u80fd\u529b\u548c\u6548\u7387\u3002\u56fe 2 \u663e\u793a\uff0c\u5728\u6700\u5927\u8f93\u51fa\u7535\u6d41\u56fa\u5b9a\u7684\u60c5\u51b5\u4e0b\uff0cHRR \u53ef\u4ee5\u8bbe\u8ba1\u6210\u5728\u6807\u79f0\u7535\u538b V \u4e0b\u83b7\u5f97\u6700\u9ad8\u529f\u7387\u3002<sub>\u5728<\/sub> \u989d\u5b9a\u7535\u538b\u4e3a 54V\uff0c\u5728\u9ad8\u7535\u538b\u4e0b\u7531\u4e8e\u5f00\u5173\u635f\u8017\u4f1a\u964d\u4f4e\u6548\u7387\u800c\u8fdb\u884c\u4e00\u5b9a\u7a0b\u5ea6\u7684\u964d\u989d\u3002.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1771\" height=\"1181\" src=\"https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_2.jpg\" alt=\"\" class=\"wp-image-34133\" title=\"\" srcset=\"https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_2.jpg 1771w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_2-768x512.jpg 768w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_2-1536x1024.jpg 1536w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_2-18x12.jpg 18w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_2-258x172.jpg 258w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_2-300x200.jpg 300w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_2-564x376.jpg 564w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_2-1176x784.jpg 1176w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_2-1200x800.jpg 1200w\" sizes=\"auto, (max-width: 1771px) 100vw, 1771px\" \/><\/figure>\n\n\n\n<p><em>\u56fe 2\uff1a\u5f53\u8f93\u5165\u7535\u538b Vin \u63a5\u8fd1\u6807\u79f0\u503c 54V \u65f6\uff0cHRR \u8f6c\u6362\u5668\u8f93\u51fa\u529f\u7387\u6700\u5927\u3002<\/em><\/p>\n\n\n\n<p>\u56fe 3 \u4e2d\u7684\u6548\u7387\u66f2\u7ebf\u8868\u660e\uff0c\u968f\u7740 V \u7684\u589e\u5927\uff0cHRR \u8f6c\u6362\u5668\u7684\u6548\u7387\u4e5f\u968f\u4e4b\u63d0\u9ad8\u3002<sub>\u5728<\/sub> \u7531\u4e8e\u7535\u963b\u548c\u5176\u4ed6\u7535\u538b\u964d\u7684\u51cf\u5c11\uff0c\u8f93\u51fa\u7535\u538b\u4e0a\u5347\u81f3\u6807\u79f0\u503c 54V\uff0c\u8fd9\u662f\u56e0\u4e3a\u5728\u6052\u5b9a\u8d1f\u8f7d\u529f\u7387\u4e0b\uff0c\u7535\u6d41\u4f1a\u968f\u7740\u8f93\u51fa\u7535\u538b\u7684\u589e\u52a0\u800c\u51cf\u5c0f\u3002\u5728\u9ad8\u8d1f\u8f7d\u4e0b\u5c24\u5176\u5982\u6b64\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5c3d\u7ba1\u5728\u8f83\u4f4e\u7684\u8f93\u51fa\u7535\u538b\u503c\u4e0b\uff0c\u6548\u7387\u548c\u6700\u5927\u8f93\u51fa\u529f\u7387\u90fd\u4f1a\u964d\u4f4e\u3002<sub>\u5728<\/sub>, \u6027\u80fd\u4f9d\u7136\u4ee4\u4eba\u5370\u8c61\u6df1\u523b\u3002\u572840V\u7535\u538b\u4e0b\u8f93\u51fa200W\u529f\u7387\u65f6\uff0cTP34T\u7684\u6548\u7387\u9ad8\u8fbe95.11%\u3002<sub>\u5728<\/sub> \u5bf9\u4e8e\u4e2d\u95f4\u603b\u7ebf\u8f6c\u6362\u5668\u800c\u8a00\uff0c\u8fd9\u662f\u4e00\u4e2a\u826f\u597d\u7684\u6027\u80fd\u3002. <\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1771\" height=\"1181\" src=\"https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_3.jpg\" alt=\"\" class=\"wp-image-34132\" title=\"\" srcset=\"https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_3.jpg 1771w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_3-768x512.jpg 768w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_3-1536x1024.jpg 1536w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_3-18x12.jpg 18w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_3-258x172.jpg 258w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_3-300x200.jpg 300w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_3-564x376.jpg 564w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_3-1176x784.jpg 1176w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_3-1200x800.jpg 1200w\" sizes=\"auto, (max-width: 1771px) 100vw, 1771px\" \/><\/figure>\n\n\n\n<p><em>\u56fe 3\uff1aHRR \u8f6c\u6362\u5668\u6548\u7387\u5728\u6807\u79f0\u8f93\u5165\u7535\u538b\u4e0b\u8fbe\u5230\u5cf0\u503c<\/em><\/p>\n\n\n\n<p>\u6bd4\u8f83\u4e0d\u540c V \u503c\u8303\u56f4\u5185\u7684\u6027\u80fd\u66f2\u7ebf<sub>\u5728<\/sub> \u4e0e\u5b8c\u5168\u7a33\u538b\u7684\u56fa\u5b9a\u8f93\u51fa 12V \u8f6c\u6362\u5668\uff08\u5728\u672c\u4f8b\u4e2d\u4e3a Flex \u529f\u7387\u6a21\u5757 PKU4213D\uff09\u7684\u6570\u503c\u76f8\u6bd4\uff0cHRR \u8f6c\u6362\u5668\u7684\u4e00\u4e2a\u5173\u952e\u4f18\u52bf\u663e\u800c\u6613\u89c1\uff1a <strong>\u56fe 4<\/strong>\n\u56fe\u4e2d\u5c55\u793a\u4e86 Flex \u529f\u7387\u6a21\u5757 PKU4213D \u7684\u4e00\u7cfb\u5217\u6548\u7387\u66f2\u7ebf\uff0c\u8868\u660e\u5176\u6700\u4f73\u6027\u80fd\u51fa\u73b0\u5728\u4f4e\u7535\u538b\u4e0b\u3002<sub>\u5728<\/sub> \u5176\u4e2d\u5360\u7a7a\u6bd4\u8f83\u9ad8\u3002\u7136\u800c\uff0c\u4e2d\u95f4\u603b\u7ebf\u53d8\u6362\u5668\u5f88\u5c11\u4ee5\u5982\u6b64\u4f4e\u7684\u503c\u8fd0\u884c\u3002\u5b9e\u9645\u4e0a\uff0cV<sub>\u5728<\/sub> \u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u5176\u503c\u63a5\u8fd1\u6807\u79f0\u503c\uff0c\u6b64\u65f6HRR\u8f6c\u6362\u5668\u80fd\u591f\u5b9e\u73b0\u6700\u4f73\u529f\u7387\u6027\u80fd\u548c\u6548\u7387\u3002\u4e0e\u5168\u7a33\u538b\u8f6c\u6362\u5668\u76f8\u6bd4\uff0c\u8fd9\u4e3a\u7ec8\u7aef\u7528\u6237\u5e26\u6765\u4e86\u8bf8\u591a\u4f18\u52bf\uff0c\u5305\u62ec\u66f4\u4f4e\u7684\u7535\u8d39\u3001\u66f4\u4f4e\u7684\u8fd0\u884c\u6e29\u5ea6\u3001\u66f4\u5c11\u7684\u51b7\u5374\u9700\u6c42\u3001\u66f4\u9ad8\u7684\u53ef\u9760\u6027\u548c\u66f4\u957f\u7684\u8bbe\u5907\u4f7f\u7528\u5bff\u547d\u3002.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1771\" height=\"1181\" src=\"https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_4.jpg\" alt=\"\" class=\"wp-image-34131\" title=\"\" srcset=\"https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_4.jpg 1771w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_4-768x512.jpg 768w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_4-1536x1024.jpg 1536w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_4-18x12.jpg 18w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_4-258x172.jpg 258w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_4-300x200.jpg 300w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_4-564x376.jpg 564w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_4-1176x784.jpg 1176w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_4-1200x800.jpg 1200w\" sizes=\"auto, (max-width: 1771px) 100vw, 1771px\" \/><\/figure>\n\n\n\n<p><em>\u56fe 4\uff1a\u5168\u7a33\u538b IBC \u7684\u6548\u7387\u901a\u5e38\u5728\u4f4e\u8f93\u5165\u7535\u538b\u4e0b\u6700\u9ad8<\/em><\/p>\n\n\n\n<p>\u6ce8\u610f\uff0c\u5373\u4f7f\u5728 V \u503c\u8f83\u4f4e\u7684\u60c5\u51b5\u4e0b\u4e5f\u662f\u5982\u6b64\u3002<sub>\u5728<\/sub>, HRR\u7684\u6027\u80fd\u4f18\u4e8e\u4f20\u7edf\u6280\u672f\u3002\u5728150W\u548c40V\u8f93\u5165\u7535\u538b\u4e0b\uff0c\u6548\u7387\u63d0\u9ad8\u4e861.2%\u3002\u5728200W\u548c54V\u8f93\u5165\u7535\u538b\u4e0b\uff0c\u6548\u7387\u63d0\u5347\u81f32.2%\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-fixed-ratio-converter-comparison\">\u56fa\u5b9a\u6bd4\u7387\u8f6c\u6362\u5668\u6bd4\u8f83<\/h2>\n\n\n\n<p>\u4f7f\u7528\u5360\u7a7a\u6bd4\u59cb\u7ec8\u63a5\u8fd1 100% \u7684\u56fa\u5b9a\u6bd4\u7387\u8f6c\u6362\u5668\u7684\u4e3b\u8981\u4f18\u52bf\u5728\u4e8e\u5176\u9ad8\u6548\u7387\uff0c\u4f46\u8fd9\u4ec5\u9002\u7528\u4e8e\u6709\u9650\u7684\u8f93\u5165\u7535\u538b\u8303\u56f4\u3002\u7136\u800c\uff0cHRR \u6280\u672f\u4e0e\u4e4b\u76f8\u6bd4\u6beb\u4e0d\u900a\u8272\uff0c\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\u751a\u81f3\u66f4\u80dc\u4e00\u7b79\u3002. <\/p>\n\n\n\n<p>\u8f93\u5165\u7535\u538b\u8303\u56f4\u9ad8\u8fbe 60V \u65f6\uff0c\u53ef\u80fd\u9700\u8981 5:1 \u56fa\u5b9a\u6bd4\u4f8b\u8f6c\u6362\u5668\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0cV<sub>\u51fa\u53bb<\/sub> \u5728 54V \u8f93\u5165\u7535\u538b\u4e0b\uff0c\u8f93\u51fa\u7535\u538b\u7ea6\u4e3a 10.4V\uff0c\u8fd9\u517c\u987e\u4e86\u6548\u7387\u548c\u52a8\u6001\u6027\u80fd\u3002\u53ef\u4ee5\u9009\u62e9\u4e00\u6b3e\u5177\u6709\u9650\u5236\u7535\u538b\u7684 4:1 HRR \u8f6c\u6362\u5668\u3002<sub>\u51fa\u53bb<\/sub> \u53ef\u900912V\u621610.4V\u8f93\u5165\u7535\u538b\uff08\u4f8b\u5982PKU4217D\uff09\u300212V\u9009\u9879\u572850V\u5de6\u53f3\u5207\u6362\u5230\u6bd4\u4f8b\u6a21\u5f0f\uff0c\u5f53\u8f93\u5165\u7535\u538b\u4e3a54V\u65f6\uff0c\u5176\u6027\u80fd\u4e0e\u56fa\u5b9a\u6bd4\u4f8b\u6a21\u5f0f\u975e\u5e38\u63a5\u8fd1\u300210.4V\u9009\u9879\u572843V\u5de6\u53f3\u5207\u6362\uff0c\u5bfc\u81f4\u8f6c\u6362\u5668\u572854V\u65f6\u5360\u7a7a\u6bd4\u663e\u8457\u964d\u4f4e\uff0c\u6027\u80fd\u7565\u6709\u4e0b\u964d\u3002\u7136\u800c\uff0c\u8f83\u4f4e\u7684\u540e\u7eedPoL\u7535\u538b\u53ef\u80fd\u4f1a\u63d0\u9ad8\u5b83\u4eec\u7684\u6548\u7387\uff0c\u56e0\u6b64\u603b\u4f53\u5f71\u54cd\u53ef\u80fd\u5fae\u4e4e\u5176\u5fae\u3002.<\/p>\n\n\n\n<p>\u5982\u679c V<sub>\u5728<\/sub> \u7136\u800c\uff0c\u5f53\u8f93\u5165\u7535\u538b\u4e0b\u964d\u65f6\uff0c\u56fa\u5b9a\u6bd4\u7387\u8f6c\u6362\u5668\u7684\u6027\u80fd\u4e5f\u4f1a\u4e0b\u964d\u3002\u5728 40V \u8f93\u5165\u7535\u538b\u4e0b\uff0c5:1 \u56fa\u5b9a\u6bd4\u7387\u8f6c\u6362\u5668\u7684\u8f93\u51fa\u7535\u538b\u7ea6\u4e3a 7.7V\u3002\u8fd9\u8feb\u4f7f\u8f6c\u6362\u5668\u4ee5\u6bd4\u6807\u79f0\u7535\u538b\u4e0b\u66f4\u9ad8\u7684\u8f93\u51fa\u7535\u6d41\u8fd0\u884c\u3002<sub>\u5728<\/sub>\/V<sub>\u51fa\u53bb<\/sub> \u5728\u76f8\u540c\u8d1f\u8f7d\u529f\u7387\u4e0b\uff0cHRR\u6a21\u5757\u7684\u7535\u538b\u4ec5\u964d\u81f3\u7ea69V\uff0c\u56e0\u6b64\u56fa\u5b9a\u8d1f\u8f7d\u529f\u7387\u4e0b\u7684\u7535\u6d41\u589e\u5e45\u8f83\u5c0f\uff0c\u4ece\u800c\u663e\u8457\u964d\u4f4e\u4e86\u7535\u963b\u6027\u5206\u914d\u635f\u8017\u3002. <\/p>\n\n\n\n<p>\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u867d\u713610.4V HRR\u8f6c\u6362\u5668\u5728\u6807\u79f0\u7535\u538b\u4e0b\u7684\u6700\u5927\u529f\u7387\u53ef\u80fd\u7565\u6709\u4e0d\u8db3\u3002<sub>\u5728<\/sub>, \u5b83\u7684V\u5f62\u66f4\u5e73\u5766\u3002<sub>\u51fa\u53bb<\/sub>\n\u5728\u6574\u4e2a\u8f93\u5165\u7535\u538b\u8303\u56f4\u5185\uff0c\u5b83\u90fd\u80fd\u63d0\u4f9b\u7a33\u5b9a\u7684\u6027\u80fd\u66f2\u7ebf\u548c\u66f4\u5747\u5300\u7684\u8f93\u51fa\u529f\u7387\u66f2\u7ebf\u3002\u7b80\u800c\u8a00\u4e4b\uff0c\u8fd9\u610f\u5473\u7740\u5728\u6700\u9700\u8981\u529f\u7387\u7684\u60c5\u51b5\u4e0b\uff0c\u5b83\u53ef\u4ee5\u63d0\u4f9b\u66f4\u5927\u7684\u529f\u7387\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-handling-input-transients\">\u5904\u7406\u8f93\u5165\u77ac\u6001<\/h2>\n\n\n\n<p>\u867d\u7136 HRR \u6280\u672f\u5df2\u88ab\u8bc1\u660e\u5728\u6700\u5e38\u89c1\u7684\u8fd0\u884c\u6761\u4ef6\u4e0b\u80fd\u591f\u663e\u8457\u63d0\u9ad8\u6548\u7387\u548c\u529f\u7387\uff0c\u4f46\u5b83\u5bf9\u9661\u5ced\u7684\u6b63\u5411\u8f93\u5165\u7535\u538b\u77ac\u53d8\u7684\u54cd\u5e94\u53ef\u4ee5\u4f18\u4e8e\u56fa\u5b9a\u6bd4\u7387\u8f6c\u6362\u5668\uff0c\u8fd9\u4f7f\u5f97\u5b83\u4eec\u5728\u7535\u4fe1\u884c\u4e1a\u7279\u522b\u6709\u5438\u5f15\u529b\u3002. <\/p>\n\n\n\n<p><strong>\u56fe 5<\/strong> \u6bd4\u8f83\u4e09\u79cd\u4e0d\u540c\u7684 DC-DC \u8f6c\u6362\u5668\u5bf9 48V \u5230 54V \u7684\u9661\u5ced\u8f93\u5165\u77ac\u6001\u7684\u54cd\u5e94\u3002. <\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1771\" height=\"1181\" src=\"https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_5.jpg\" alt=\"\" class=\"wp-image-27086\" title=\"\" srcset=\"https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_5.jpg 1771w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_5-768x512.jpg 768w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_5-1536x1024.jpg 1536w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_5-18x12.jpg 18w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_5-258x172.jpg 258w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_5-300x200.jpg 300w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_5-564x376.jpg 564w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_5-1176x784.jpg 1176w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_5-1200x800.jpg 1200w\" sizes=\"auto, (max-width: 1771px) 100vw, 1771px\" \/><\/figure>\n\n\n\n<p><em>\u56fe 5\uff1a\u5168\u7a33\u538b\u3001\u56fa\u5b9a\u6bd4\u7387\u548c HRR \u8f6c\u6362\u5668\u5bf9 48V \u81f3 54V \u7535\u538b\u7684\u54cd\u5e94<sub>\u5728<\/sub>\n\u77ac\u6001<\/em><\/p>\n\n\n\n<p>\u4e0a\u56fe\u663e\u793a\u4e86PKU4213D 17A\u8f6c\u6362\u5668\u7684\u54cd\u5e94\uff0c\u8be5\u8f6c\u6362\u5668\u5177\u6709\u5b8c\u5168\u7a33\u538b\u768412V\u56fa\u5b9a\u8f93\u51fa\u7535\u538b\uff0c\u53ef\u4e3a8.5A\u8d1f\u8f7d\u4f9b\u7535\u3002V\u7684\u53d8\u5316\u5f88\u5c0f\u3002<sub>\u51fa\u53bb<\/sub>, \u6b63\u5982\u9884\u671f\u7684\u90a3\u6837\u3002. <\/p>\n\n\n\n<p>\u7b2c\u4e8c\u6761\u66f2\u7ebf\u6765\u81ea\u4e00\u4e2a12V\u300125A\u7684\u9ad8\u56de\u6d41\u6bd4\u8f6c\u6362\u5668\uff0c\u8d1f\u8f7d\u4e3a12.5A\u3002\u7535\u538b\u5e73\u6ed1\u4e0a\u5347\u3002<sub>\u51fa\u53bb<\/sub> \u8f93\u51fa\u7535\u538b\u5207\u6362\u5927\u7ea6\u9700\u8981 4 \u6beb\u79d2\uff0c\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u662f\u5728\u201c\u6bd4\u7387\u201d\u6a21\u5f0f\u548c\u6052\u5b9a\u8f93\u51fa\u7535\u538b\u6a21\u5f0f\u4e4b\u95f4\u5207\u6362\u3002.<\/p>\n\n\n\n<p>\u4e0b\u65b9\u66f2\u7ebf\u56fe\u663e\u793a\u7684\u662f\u4e00\u4e2a 9.6V 42A \u56fa\u5b9a\u6bd4\u7387 5:1 \u8f6c\u6362\u5668\uff0c\u8d1f\u8f7d\u4e3a 12.5A\u3002<sub>\u51fa\u53bb<\/sub>\n\u7d27\u968fV<sub>\u5728<\/sub> \u7535\u538b\u53d1\u751f\u9636\u8dc3\u53d8\u5316\u3002.<\/p>\n\n\n\n<p>\u540e\u7eed\u7684 PoL \u8f6c\u6362\u5668\u53ef\u80fd\u4f1a\u5c06\u6765\u81ea\u6bd4\u7387\u8f6c\u6362\u5668\u7684\u8f93\u5165\u7535\u538b\u9636\u8dc3\u53d8\u5316\u4f5c\u4e3a\u77ac\u6001\u4fe1\u53f7\u4f20\u9012\u5230 PoL \u8d1f\u8f7d\uff0c\u4ece\u800c\u5bfc\u81f4\u529f\u80fd\u6545\u969c\u751a\u81f3\u635f\u574f\u3002HRR \u6280\u672f\u51ed\u501f\u5176\u4e3b\u52a8\u63a7\u5236\u529f\u80fd\uff0c\u53ef\u4ee5\u5728\u6062\u590d\u5230 100% \u4e4b\u524d\uff0c\u6682\u65f6\u964d\u4f4e\u5360\u7a7a\u6bd4\u5e76\u51cf\u7f13 IBC \u8f93\u51fa\u7535\u538b\u7684\u53d8\u5316\uff0c\u4ece\u800c\u4fdd\u62a4 PoL\u3002.<\/p>\n\n\n\n<p>\u56fa\u5b9a\u6bd4\u7387\u8f6c\u6362\u5668\u80fd\u591f\u901a\u8fc7\u7684\u9636\u8dc3\u7535\u538b\u4e5f\u4f1a\u5bfc\u81f4 IBC \u8f93\u51fa\u7535\u5bb9\u5668\u4e2d\u51fa\u73b0\u9ad8\u77ac\u6001\u7535\u6d41\u3002. <strong>\u56fe 6<\/strong> \u663e\u793a\u4e86 V \u671f\u95f4\u4e24\u4e2a 470\u00b5F \u8f93\u51fa\u7535\u5bb9\u5668\u4e2d\u7684\u793a\u4f8b\u7535\u6d41<sub>\u5728<\/sub> \u4e4b\u524d\u8ba8\u8bba\u7684 5:1 \u56fa\u5b9a\u6bd4\u7387\u8f6c\u6362\u5668\u7684\u77ac\u6001\u7535\u538b\u4ece 48V \u5230 54V\u3002.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1771\" height=\"1181\" src=\"https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_6.jpg\" alt=\"\" class=\"wp-image-34130\" title=\"\" srcset=\"https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_6.jpg 1771w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_6-768x512.jpg 768w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_6-1536x1024.jpg 1536w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_6-18x12.jpg 18w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_6-258x172.jpg 258w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_6-300x200.jpg 300w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_6-564x376.jpg 564w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_6-1176x784.jpg 1176w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_6-1200x800.jpg 1200w\" sizes=\"auto, (max-width: 1771px) 100vw, 1771px\" \/><\/figure>\n\n\n\n<p><em>\u56fe 6\uff1a\u8f93\u51fa\u7535\u5bb9\u7535\u6d41\u5bf9 V \u7684\u54cd\u5e94<sub>\u5728<\/sub> \u56fa\u5b9a\u6bd4\u7387\u3001\u5168\u7a33\u538b\u548c\u9ad8\u8f6c\u901f\u53d8\u6362\u5668\u7684\u77ac\u6001\u7279\u6027<\/em><\/p>\n\n\n\n<p>\u5bf9\u4e8e\u56fa\u5b9a\u6bd4\u7387\u8f6c\u6362\u5668\uff0c\u7531\u4e8e\u7535\u538b\u53d8\u5316\u975e\u5e38\u9661\u5ced\uff0c\u6d41\u5411\u7535\u5bb9\u5668\u7684\u5145\u7535\u7535\u6d41\u8fbe\u5230 36.1A\u3002<sub>\u51fa\u53bb<\/sub> \u6539\u53d8\u3002\u8f6c\u6362\u5668\u8fc7\u8f7d\uff0812.5A + 36.1A &gt; 42A\uff09\uff0c\u8f93\u51fa\u7535\u538b\u663e\u8457\u4e0b\u964d\u3002\u5c06\u7535\u538b\u4ece 40V \u9636\u8dc3\u81f3 54V \u8fdb\u884c\u76f8\u540c\u6d4b\u8bd5\uff0c\u4f1a\u5bfc\u81f4\u8f6c\u6362\u5668\u8fdb\u5165\u8fc7\u6d41\u4fdd\u62a4\u72b6\u6001\u3002.<\/p>\n\n\n\n<p>\u91c7\u7528HRR\u8f6c\u6362\u5668\u540e\uff0c\u7535\u5bb9\u5145\u7535\u7535\u6d41\u4ec5\u4e3a0.7A\uff0c\u4e0e\u5168\u7a33\u538b\u56fa\u5b9a\u8f93\u51fa\u8f6c\u6362\u5668\u76840.3A\u5145\u7535\u7535\u6d41\u76f8\u6bd4\uff0c\u4f18\u52bf\u663e\u8457\u3002\u8fd9\u662fHRR\u7684\u91cd\u8981\u4f18\u52bf\u4e4b\u4e00\u3002Flex\u529f\u7387\u6a21\u5757\u7684PKU-D HRR\u4ea7\u54c1\u5728\u8fc7\u8f7d\u65f6\u5177\u6709\u6052\u6d41\u7279\u6027\uff0c\u5982\u679c\u8fc7\u8f7d\u6301\u7eed\uff0c\u5219\u4f1a\u81ea\u52a8\u5173\u673a\u5e76\u91cd\u542f\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-negative-transients-can-be-troublesome-in-ratio-converters\">\u8d1f\u77ac\u6001\u7535\u538b\u5728\u53d8\u6bd4\u8f6c\u6362\u5668\u4e2d\u53ef\u80fd\u9020\u6210\u95ee\u9898\u3002<\/h2>\n\n\n\n<p>\u5927\u591a\u6570\u73b0\u4ee3\u8f6c\u6362\u5668\u91c7\u7528\u8f93\u51fa\u540c\u6b65\u6574\u6d41 (SR) \u6280\u672f\u6765\u66ff\u4ee3\u5206\u7acb\u4e8c\u6781\u7ba1\uff0c\u4ee5\u83b7\u5f97\u6700\u4f73\u6548\u7387\u3002\u7136\u800c\uff0c\u8be5\u6280\u672f\u4e5f\u5b58\u5728\u4e00\u4e2a\u7f3a\u70b9\uff1a\u914d\u7f6e\u4e3a\u6574\u6d41\u5668\u7684 MOSFET \u65e2\u53ef\u4ee5\u5438\u6536\u7535\u6d41\uff0c\u4e5f\u53ef\u4ee5\u63d0\u4f9b\u7535\u6d41\u3002\u5982\u679c\u56fa\u5b9a\u6bd4\u7387\u8f6c\u6362\u5668\u9047\u5230\u8d1f\u5411\u8f93\u5165\u77ac\u6001\uff0c\u8f93\u51fa\u7535\u538b\u4f1a\u7acb\u5373\u4e0b\u964d\uff0c\u5e76\u4e14\u7531\u4e8e 100% \u7684\u5360\u7a7a\u6bd4\u5f00\u5173\u4fdd\u6301\u4e0d\u53d8\uff0c\u7535\u6d41\u4f1a\u4ece\u5df2\u5145\u7535\u7684\u8f93\u51fa\u7535\u5bb9\u5668\u53cd\u5411\u6d41\u52a8\uff0c\u4ece\u800c\u5bfc\u81f4\u8f93\u5165\u7aef\u51fa\u73b0\u8f83\u5927\u7684\u53cd\u5411\u7535\u6d41\u3002\u8fd9\u79cd\u60c5\u51b5\u4e5f\u4f1a\u5f71\u54cd\u9ad8\u6bd4\u7387\u6574\u6d41 (HRR) \u8f6c\u6362\u5668\uff0c\u4f46 Flex \u529f\u7387\u6a21\u5757\u7684 HRR \u5668\u4ef6\u5177\u6709\u53cd\u5411\u7535\u6d41\u68c0\u6d4b\u529f\u80fd\uff0c\u5728\u6700\u574f\u7684\u60c5\u51b5\u4e0b\uff0c\u8be5\u529f\u80fd\u4f1a\u5c06\u8f6c\u6362\u5668\u7f6e\u4e8e\u5f85\u673a\u6a21\u5f0f\uff0c\u76f4\u5230\u8f93\u51fa\u7535\u538b\u964d\u81f3\u6b63\u786e\u6c34\u5e73\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u7531\u4e8e\u8f93\u51fa\u7535\u538b\u4ecd\u7136\u7531\u8f93\u51fa\u7535\u5bb9\u5668\u7ef4\u6301\uff0c\u56e0\u6b64\u8d1f\u8f7d\u4e0d\u53d7\u5f71\u54cd\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-input-ripple-rejection-is-better-with-hrr\">HRR\u7684\u8f93\u5165\u7eb9\u6ce2\u6291\u5236\u6027\u80fd\u66f4\u597d\u3002<\/h2>\n\n\n\n<p>\u5bf9\u4e8e\u56fa\u5b9a\u6bd4\u7387\u8f6c\u6362\u5668\uff0c\u8f93\u5165\u7aef\u7684\u4efb\u4f55\u4f4e\u9891\u7eb9\u6ce2\u7535\u538b\u90fd\u4f1a\u6309\u6bd4\u7387\u6bd4\u4f8b\u76f4\u63a5\u4f20\u9012\u5230\u8f93\u51fa\u7aef\uff0c\u751a\u81f3\u53ef\u80fd\u7531\u4e8e\u8f93\u5165\u548c\u8f93\u51fa\u6ee4\u6ce2\u5668\u5728\u9ad8\u9891\u65f6\u7684\u201c\u5cf0\u503c\u201d\u6548\u5e94\u800c\u88ab\u653e\u5927\u3002\u91c7\u7528\u9ad8\u9636\u65cb\u8f6c\u53d8\u6362\uff08HRR\uff09\u6280\u672f\u65f6\uff0c\u7eb9\u6ce2\u5728\u4f4e\u9891\u4e0b\u540c\u6837\u4f1a\u901a\u8fc7\u8f6c\u6362\u6bd4\u7387\u5f97\u5230\u8870\u51cf\uff0c\u4f46\u7531\u4e8e\u5360\u7a7a\u6bd4\u6c38\u8fdc\u4e0d\u4f1a\u6b63\u597d\u662f100%\uff0c\u56e0\u6b64\u53ef\u4ee5\u5e94\u7528\u4e00\u4e9b\u201c\u524d\u9988\u201d\u8109\u5bbd\u8c03\u5236\uff08PWM\uff09\u6765\u8870\u51cf\u7eb9\u6ce2\u3002. <strong>\u56fe 7 <\/strong>\u663e\u793a\u4e86 HRR \u8f6c\u6362\u5668\u4ea7\u751f\u7684\u7eb9\u6ce2\u8870\u51cf\uff0c\u9884\u671f\u8870\u51cf\u4e3a 4:1\uff0c\u76f4\u81f3 1kHz\uff0c\u5728 10kHz \u65f6\u589e\u52a0\u5230\u7ea6 -35dB\u3002.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1771\" height=\"1181\" src=\"https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_7.jpg\" alt=\"\" class=\"wp-image-34129\" title=\"\" srcset=\"https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_7.jpg 1771w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_7-768x512.jpg 768w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_7-1536x1024.jpg 1536w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_7-18x12.jpg 18w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_7-258x172.jpg 258w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_7-300x200.jpg 300w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_7-564x376.jpg 564w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_7-1176x784.jpg 1176w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_7-1200x800.jpg 1200w\" sizes=\"auto, (max-width: 1771px) 100vw, 1771px\" \/><\/figure>\n\n\n\n<p><em>\u56fe 7\uff1aHRR \u8f6c\u6362\u5668 \u2013 \u8f93\u5165\u7eb9\u6ce2\u7535\u538b\u8870\u51cf<\/em><\/p>\n\n\n\n<p>\u5c06\u6b64\u4e0e\u56fa\u5b9a\u6bd4\u7387\u8f6c\u6362\u5668\u7684\u8870\u51cf\u56fe\u8fdb\u884c\u6bd4\u8f83 <strong>\u56fe 8<\/strong> \u5728 1kHz \u65f6\u8870\u51cf\u4e3a 5:1 (-14dB)\uff0c\u4f46\u5728 10kHz \u65f6\u4ec5\u4e3a -10dB\u3002.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1771\" height=\"1181\" src=\"https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_8.jpg\" alt=\"\" class=\"wp-image-34128\" title=\"\" srcset=\"https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_8.jpg 1771w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_8-768x512.jpg 768w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_8-1536x1024.jpg 1536w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_8-18x12.jpg 18w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_8-258x172.jpg 258w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_8-300x200.jpg 300w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_8-564x376.jpg 564w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_8-1176x784.jpg 1176w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_8-1200x800.jpg 1200w\" sizes=\"auto, (max-width: 1771px) 100vw, 1771px\" \/><\/figure>\n\n\n\n<p><em>\u56fe 8\uff1a\u56fa\u5b9a\u6bd4\u7387\u8f6c\u6362\u5668\u2014\u2014\u8f93\u5165\u7eb9\u6ce2\u7535\u538b\u8870\u51cf<\/em><\/p>\n\n\n\n<p>\u5982\u56fe\u6240\u793a\uff0c\u5728\u4e00\u4e2a\u56fa\u5b9a\u6bd4\u7387\u53d8\u6362\u5668\u793a\u4f8b\u4e2d\uff0c\u7531\u4e8e\u8f93\u5165\u548c\u8f93\u51fa\u6ee4\u6ce2\u5668\u8c10\u632f\uff0c\u5728\u9ad8\u8fbe 100kHz \u7684\u8f83\u9ad8\u9891\u7387\u5904\u51fa\u73b0\u5cf0\u503c\u3002 <strong>\u56fe 9<\/strong>, \u5bfc\u81f4\u5728 20kHz \u5de6\u53f3\uff0c\u8f93\u5165 200mV (+5dB) \u65f6\uff0c\u8f93\u51fa\u7eb9\u6ce2\u4e3a 350mV\u3002.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1771\" height=\"1181\" src=\"https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_9.jpg\" alt=\"\" class=\"wp-image-34127\" title=\"\" srcset=\"https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_9.jpg 1771w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_9-768x512.jpg 768w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_9-1536x1024.jpg 1536w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_9-18x12.jpg 18w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_9-258x172.jpg 258w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_9-300x200.jpg 300w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_9-564x376.jpg 564w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_9-1176x784.jpg 1176w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/flex_graph_9-1200x800.jpg 1200w\" sizes=\"auto, (max-width: 1771px) 100vw, 1771px\" \/><\/figure>\n\n\n\n<p><em>\u56fe 9\uff1a\u8f93\u5165\u548c\u8f93\u51fa\u6ee4\u6ce2\u5668\u53ef\u653e\u5927\u8f93\u5165\u7eb9\u6ce2\u7535\u538b<\/em><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-conclusion\">\u7ed3\u8bba<\/h2>\n\n\n\n<p>\u65e0\u8bba\u662f\u56fa\u5b9a\u6bd4\u7387\u8f6c\u6362\u5668\u8fd8\u662f\u5168\u7a33\u538b\u56fa\u5b9a\u8f93\u51fa\u8f6c\u6362\u5668\uff0c\u90fd\u65e0\u6cd5\u4e3a\u975e\u9694\u79bb\u5f0f PoL \u8f6c\u6362\u5668\u63d0\u4f9b\u5b8c\u5168\u4ee4\u4eba\u6ee1\u610f\u7684\u9694\u79bb\u4e2d\u95f4\u6bcd\u7ebf\u4f9b\u7535\u65b9\u6848\u3002\u56fa\u5b9a\u6bd4\u7387\u8f6c\u6362\u5668\u867d\u7136\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\u6548\u7387\u8f83\u9ad8\uff0c\u4f46\u65e0\u6cd5\u5904\u7406 ETSI \u6807\u51c6\u8981\u6c42\u7684\u5168\u90e8\u8f93\u5165\u7535\u538b\u53d8\u5316\u8303\u56f4\uff0c\u4e14\u5bf9\u8f93\u5165\u77ac\u6001\u7684\u54cd\u5e94\u4e5f\u4e0d\u4f73\u3002\u56fa\u5b9a\u8f93\u51fa\u8f6c\u6362\u5668\u5728\u6807\u79f0\u8f93\u5165\u7535\u538b\u9644\u8fd1\u6548\u7387\u76f8\u5bf9\u8f83\u4f4e\u3002.<\/p>\n\n\n\n<p>Flex \u529f\u7387\u6a21\u5757\u91c7\u7528\u4e13\u6709\u7684\u6df7\u5408\u7a33\u538b\u6bd4 (HRR) 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height=\"2913\" src=\"https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/PKU4217D-top-bottom-High-resolution.jpg\" alt=\"\" class=\"wp-image-34126\" title=\"\" srcset=\"https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/PKU4217D-top-bottom-High-resolution.jpg 3884w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/PKU4217D-top-bottom-High-resolution-768x576.jpg 768w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/PKU4217D-top-bottom-High-resolution-1536x1152.jpg 1536w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/PKU4217D-top-bottom-High-resolution-2048x1536.jpg 2048w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/PKU4217D-top-bottom-High-resolution-16x12.jpg 16w, https:\/\/flex.com\/wp-content\/uploads\/2020\/04\/PKU4217D-top-bottom-High-resolution-1200x900.jpg 1200w\" sizes=\"auto, (max-width: 3884px) 100vw, 3884px\" \/><\/figure>\n\n\n\n<p> <em>\u56fe 10\uff1aFlex \u529f\u7387\u6a21\u5757 PKU4217D<\/em><\/p>\n\n\n<div class=\"spacer block\" style=\"height: 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