{"id":19853,"date":"2022-08-18T00:00:45","date_gmt":"2022-08-17T16:00:45","guid":{"rendered":"https:\/\/techclass.wfjydl.com\/?p=19853"},"modified":"2022-08-17T16:17:05","modified_gmt":"2022-08-17T08:17:05","slug":"%e7%bd%97%e5%a7%86%e7%94%b5%e6%b1%a0%e7%ae%a1%e7%90%86%e8%a7%a3%e5%86%b3%e6%96%b9%e6%a1%88%e8%af%84%e4%bc%b0%e6%9d%bfreflvbms001-evk-001-%e6%b7%b1%e5%ba%a6%e8%af%84%e6%b5%8b-2","status":"publish","type":"post","link":"https:\/\/techclass.wfjydl.com\/knowledge\/tech-info\/engineer\/column\/19853","title":{"rendered":"\u7f57\u59c6\u7535\u6c60\u7ba1\u7406\u89e3\u51b3\u65b9\u6848\u8bc4\u4f30\u677f\u201cREFLVBMS001-EVK-001\u201d \u6df1\u5ea6\u8bc4\u6d4b-\u4e0b\u7bc7"},"content":{"rendered":"<p>\u203b\u6587\u7ae0\u8f6c\u8f7d\u81ea\u7535\u6e90\u7f51\uff0c\u4f5c\u8005\u4e3ar7XjIKq6<\/p>\n<p>\u4e0a\u7bc7\u4ecb\u7ecd\u4e86\u7f57\u59c6\u7535\u6c60\u7ba1\u7406\u89e3\u51b3\u65b9\u6848\u8bc4\u4f30\u677fREFLVBMS001-EVK-001\u7684\u7cfb\u7edf\u6784\u6210\u548cBattery\u4f9b\u7535\u5f00\u5173\u673a\u7684\u6d4b\u8bd5\uff0c\u672c\u7bc7\u5c06\u7ee7\u7eed\u9488\u5bf9BUCK\u82af\u7247\u8fdb\u884c\u7eb9\u6ce2\u6d4b\u8bd5\u3001\u7a7a\u6ee1\u8f7d\u8d77\u673a\u6d4b\u8bd5\u3001\u52a8\u6001\u8d1f\u8f7d\u6d4b\u8bd5\u7b49\u6df1\u5ea6\u6d4b\u8bc4\u3002<\/p>\n<p><H3>\u25a0 BUCK\u82af\u7247\u7a33\u6001\u7eb9\u6ce2<\/H3><\/p>\n<p>CH2: VOUT(ac \u8026\u5408)\uff1b<br \/>\nCH3: SW;<br \/>\nCH7: iL\uff0c\u7535\u611f\u7535\u6d41\uff1b<\/p>\n<p>\u4ee5\u4e0b\u662f3.6Vin-3.3Vout\u5de5\u51b5\u4e0b\u7684\u7eb9\u6ce2\u6d4b\u8bd5\u3002<\/p>\n<p>&#x25aa; \u7a7a\u8f7d\u7eb9\u6ce2-7mV Vpp<\/p>\n<div style=\"width: 710px;\">\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2022\/08\/220818-31.jpg\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" alt=\"\" width=\"650\" height=\"500\" \/><\/p>\n<p id=\"caption-attachment-6418\" class=\"wp-caption-text\">\n<\/div>\n<p>\u53ef\u4ee5\u770b\u51fa\u8be5\u82af\u7247\u652f\u6301Burst\u6a21\u5f0f\uff0c\u63a7\u5236\u903b\u8f91\u4e5f\u5f88\u7b80\u5355\uff0c\u5f53Vout\u8fbe\u5230\u8bbe\u5b9ahigh\u503c\u65f6SW\u5173\u95ed\uff0c\u7b49\u5f85Vout\u964d\u4f4e\u5230\u8bbe\u5b9alow\u503c\u65f6SW\u52a8\u4f5c\u4e0a\u7ba1\u5f00\u901a\u5411\u8f93\u51fa\u4f20\u9012\u80fd\u91cfVout\u5347\u9ad8\uff0c\u53ef\u4ee5\u770b\u51fa\u6bcf\u9694\u5927\u7ea680ms\u5f00\u5173\u7ba1\u624d\u52a8\u4f5c\u4e00\u6b21\uff0c\u8fd9\u4e5f\u662f\u8be5\u82af\u7247\u80fd\u505a\u5230\u6781\u4f4e\u529f\u8017\u7684\u4e00\u4e2a\u539f\u56e0\u3002<\/p>\n<p>\u4e0d\u8fc7\u56e0\u4e3a\u662fburst\u6a21\u5f0f\uff0c\u4e5f\u5c31\u610f\u5473\u7740\u5f00\u5173\u9891\u7387\u4f1a\u968f\u7740\u8d1f\u8f7d\u7684\u53d8\u5316\u800c\u53d1\u751f\u6539\u53d8\uff0c\u540e\u9762\u7f13\u6162\u589e\u52a0\u8d1f\u8f7d\u4e5f\u4f1a\u5f00\u5230\u5f00\u5173\u9891\u7387\u7684\u53d8\u5316\u3002<\/p>\n<p>&#x25aa; 10uA\u8d1f\u8f7d\u7eb9\u6ce2-15mV Vpp<\/p>\n<p>10uA\u8d1f\u8f7d\u65f6\u8f93\u51faVout ripple\u5927\u5c0f\u4e0d\u5747\u5300\uff0c\u8fd9\u4e5f\u5bfc\u81f4\u4e86Ripple\u589e\u5927\uff0c\u8fd9\u662f\u56e0\u4e3a\u8109\u51b2\u4e2a\u6570\u67091-2\u4e2a\u4e0d\u56fa\u5b9a\u5bfc\u81f4\uff0c\u63a8\u6d4b\u4e3b\u8981\u662f\u5185\u90e8\u68c0\u6d4bVout\u65f6\u6709noise\u5e72\u6270\u5bfc\u81f4\u6bd4\u8f83\u5668\u52a8\u4f5c\u6b21\u6570\u4e0d\u56fa\u5b9a\u3002<\/p>\n<div style=\"width: 710px;\">\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2022\/08\/220818-32.jpg\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" alt=\"\" width=\"650\" height=\"500\" \/><\/p>\n<p id=\"caption-attachment-6418\" class=\"wp-caption-text\">\n<\/div>\n<div style=\"width: 710px;\">\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2022\/08\/220818-33.jpg\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" alt=\"\" width=\"650\" height=\"500\" \/><\/p>\n<p id=\"caption-attachment-6418\" class=\"wp-caption-text\">\n<\/div>\n<p>&#x25aa; 1mA\u8d1f\u8f7d\u7eb9\u6ce2-7mV Vpp<\/p>\n<p>1mA\u8d1f\u8f7d\u8109\u51b2\u5df2\u7ecf\u53ef\u4ee5\u5747\u5300\u6253\u51fa\uff0cripple\u5f62\u72b6\u6bd4\u8f83\u56fa\u5b9a<\/p>\n<div style=\"width: 710px;\">\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2022\/08\/220818-34.jpg\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" alt=\"\" width=\"650\" height=\"500\" \/><\/p>\n<p id=\"caption-attachment-6418\" class=\"wp-caption-text\">\n<\/div>\n<p>&#x25aa; 100mA\u8d1f\u8f7d\u7eb9\u6ce2-7mV Vpp<\/p>\n<p>100mA\u8d1f\u8f7d\u7535\u611f\u7535\u6d41\u5df2\u7ecf\u8fdb\u5165CCM<\/p>\n<div style=\"width: 710px;\">\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2022\/08\/220818-35.jpg\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" alt=\"\" width=\"650\" height=\"500\" \/><\/p>\n<p id=\"caption-attachment-6418\" class=\"wp-caption-text\">\n<\/div>\n<p>&#x25aa; 500mA\u6ee1\u8f7d\u7eb9\u6ce2-20mV Vpp<\/p>\n<div style=\"width: 710px;\">\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2022\/08\/220818-36.jpg\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" alt=\"\" width=\"650\" height=\"500\" \/><\/p>\n<p id=\"caption-attachment-6418\" class=\"wp-caption-text\">\n<\/div>\n<p><H3>\u25a0 BUCK\u82af\u7247\u7a7a\u6ee1\u8f7d\u8d77\u673a\u6d4b\u8bd5<\/H3><\/p>\n<p>CH1: VIN;<br \/>\nCH2: VOUT;<br \/>\nCH3: SW;<br \/>\nCH7: iL\uff0c\u7535\u611f\u7535\u6d41\uff1b<\/p>\n<p>&#x25aa; \u7a7a\u8f7d\u8d77\u673a\u6ce2\u5f62\uff0c \u7535\u611f\u7535\u6d41\u6700\u5927\u503c\u8fbe\u5230340mA<\/p>\n<div style=\"width: 710px;\">\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2022\/08\/220818-37.jpg\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" alt=\"\" width=\"650\" height=\"500\" \/><\/p>\n<p id=\"caption-attachment-6418\" class=\"wp-caption-text\">\n<\/div>\n<p>&#x25aa; \u6ee1\u8f7d500mA\u8d77\u673a\u6ce2\u5f62\uff0c \u7535\u611f\u7535\u6d41\u6700\u5927\u503c\u8fbe\u5230863mA\uff0c\u56e0\u6b64\u9009\u62e9\u7535\u611f\u65f6\u8981\u8003\u8651\u4f59\u91cf\u9632\u6b62\u7535\u611f\u9971\u548c\uff1b<\/p>\n<div style=\"width: 710px;\">\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/techclass.wfjydl.com\/wp-content\/uploads\/2022\/08\/220818-38.jpg\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" alt=\"\" width=\"650\" height=\"500\" \/><\/p>\n<p id=\"caption-attachment-6418\" class=\"wp-caption-text\">\n<\/div>\n<p><H3>\u25a0 BUCK\u82af\u7247\u52a8\u6001\u8d1f\u8f7d\u6d4b\u8bd5<\/H3><\/p>\n<p>buck\u91c7\u7528\u7684COT\u63a7\u5236\uff0c\u8be5\u63a7\u5236\u65b9\u6cd5\u6700\u5927\u7684\u4f18\u52bf\u5c31\u662f\u54cd\u5e94\u8fc5\u901f\uff0c\u5f88\u591aVR buck\u573a\u5408\u90fd\u4f1a\u91c7\u7528\u8fd9\u79cd\u63a7\u5236\u65b9\u6cd5\uff0c\u4e0b\u9762\u6211\u4eec\u6765\u770b\u770b\u52a8\u6001\u54cd\u5e94\u5982\u4f55\u5427\u3002<\/p>\n<p>&#x25aa; 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