{"id":321885,"date":"2020-11-14T11:33:05","date_gmt":"2020-11-14T03:33:05","guid":{"rendered":"http:\/\/4563.org\/?p=321885"},"modified":"2020-11-14T11:33:05","modified_gmt":"2020-11-14T03:33:05","slug":"u6315%e4%b8%8eu7710%e9%bd%90%e9%a3%9e%ef%bc%9a%e5%bc%80%e5%85%b3%e7%94%b5%e6%ba%90%e8%8a%af%e7%89%87%e4%b8%8e%e5%90%8c%e6%ad%a5%e6%95%b4%e6%b5%81%e8%8a%af%e7%89%87%e6%90%ad%e9%85%8d%e7%94%b5-2","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=321885","title":{"rendered":"U6315\u4e0eU7710\u9f50\u98de\uff1a\u5f00\u5173\u7535\u6e90\u82af\u7247\u4e0e\u540c\u6b65\u6574\u6d41\u82af\u7247\u642d\u914d\u7535\u6e90\u65b9\u6848- \u5e10\u53f7\u5206\u4eab"},"content":{"rendered":"
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U6315\u4e0eU7710\u9f50\u98de\uff1a\u5f00\u5173\u7535\u6e90\u82af\u7247\u4e0e\u540c\u6b65\u6574\u6d41\u82af\u7247\u642d\u914d\u7535\u6e90\u65b9\u6848- \u5e10\u53f7\u5206\u4eab <\/h1>\n

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\u8cc7\u6df1\u5927\u4f6c : \u950b\u53cb583 <\/span> <\/i> 48<\/span> <\/div>\n
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6315\u5f00\u5173\u7535\u6e90\u82af\u7247\u7684\u529f\u80fd\u7279\u70b9\uff1a<\/p>\n

1.\u5916\u56f4\u5143\u4ef6\u5c11\uff0c\u6bd4\u8f83\u7b80\u5355\uff0c\u5185\u90e8\u96c6\u6210\u4e86700V\u9ad8\u96ea\u5d29\u80fd\u529b\u7684\u529f\u7387BJT\u3002<\/p>\n

2.\u91c7\u7528\u591a\u6a21\u5f0f\u52a0QR\u63a7\u5236\uff0c\u8c03\u5e45\u63a7\u5236\u548c\u8c03\u9891\u63a7\u5236\u76f8\u7ed3\u5408\uff0c\u63d0\u9ad8\u7cfb\u7edf\u7684\u6548\u7387\u548c\u53ef\u9760\u6027\u3002<\/p>\n

3.\u6052\u6d41\u6d41\u8f93\u51fa\u6a21\u5f0f\u4e2d\uff0c\u82af\u7247\u91c7\u7528\u8c03\u9891\u63a7\u5236\u65b9\u5f0f\uff0c\u540c\u65f6\u96c6\u6210\u4e86\u7ebf\u7535\u538b\u548c\u8d1f\u8f7d\u7535\u538b\u7684\u6052\u6d41\u8865\u507f\u3002<\/p>\n

4.\u91c7\u7528U6315\u53ef\u4ee5\u5de5\u4f5c\u65e0\u5f02\u97f3\uff0c\u540c\u65f6\u4fdd\u8bc1\u4f18\u5f02\u7684\u52a8\u6001\u6027\u80fd\u3002<\/p>\n

5.\u5185\u90e8\u96c6\u6210\u4e86\u9ad8\u538b\u529f\u7387\u5f00\u5173\u3001\u9010\u5468\u671f\u5cf0\u503c\u7535\u6d41\u9650\u5236\u3001VDD\u8fc7\u538b\u4fdd\u62a4\u3001VDD\u6b20\u538b\u4fdd\u62a4\u3001VDD\u7535\u538b\u94b3\u4f4d\u7b49\u5b8c\u5584\u7684\u4fdd\u62a4\u529f\u80fd\uff0c\u4ee5\u63d0\u9ad8\u7cfb\u7edf\u7684\u7a33\u5b9a\u6027\u3002<\/p>\n

U7710\u540c\u6b65\u6574\u6d41\u82af\u7247\u4e3b\u8981\u7279\u70b9\uff1a<\/p>\n

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  • 1.\u00a0\u53cd\u6fc0\u62d3\u6251\u526f\u8fb9\u540c\u6b65\u6574\u6d41\u529f\u7387\u5f00\u5173<\/li>\n
  • 2.\u00a0\u652f\u6301\u201c\u6d6e\u5730\u201d\u548c\u201c\u5171\u5730\u201d\u540c\u6b65\u6574\u6d41\u4e24\u79cd\u62d3\u6251<\/li>\n
  • 3.\u00a0\u652f\u6301\u65ad\u7eed\u5de5\u4f5c\u6a21\u5f0f (DCM) \u548c\u51c6\u8c10\u632f\u5de5\u4f5c\u6a21\u5f0f(QR)<\/li>\n
  • 4.\u00a0<300uA \u8d85\u4f4e\u9759\u6001\u7535\u6d41<\/li>\n
  • 5.\u00a0\u5185\u7f6e VDD \u9ad8\u538b\u4f9b\u7535\u6a21\u5757\uff0c\u65e0\u9700 VDD \u8f85\u52a9\u7ed5\u7ec4\u4f9b\u7535<\/li>\n
  • 6.\u00a0\u5185\u7f6e 40V \u529f\u7387 MOSFET<\/li>\n
  • 7.\u00a0\u5185\u90e8\u96c6\u6210\u4fdd\u62a4\uff1a<\/li>\n
  • 8.\u00a0VDD \u6b20\u538b\u4fdd\u62a4 (UVLO)<\/li>\n
  • 9.\u00a0VDD \u7535\u538b\u94b3\u4f4d (>5mA \u94b3\u4f4d\u7535\u6d41)<\/li>\n<\/ul>\n

    \u4e00\u822c\u6765\u8bf4\uff0c\u5b98.\u65b9\u5145\u7535\u5668\u90fd\u662f\u7ecf\u8fc7\u5b89.\u5168\u68c0\u9a8c\u7684\uff0c\u7b26\u5408\u6807\u51c6\u624d\u80fd\u591f\u6295\u5165\u751f\u4ea7\u3002\u6240\u4ee5\uff0c\u5927\u5bb6\u5e94\u5c3d\u91cf\u907f\u514d\u4f7f\u7528\u975e\u5b98.\u65b9\u7684\u5145\u7535\u5668\uff0c\u6216\u8005\u9009\u62e9\u94f6\u8054\u5b9d\u5f00\u5173\u7535\u6e90\u82af\u7247\u4e0e\u540c\u6b65\u6574\u6d41\u82af\u7247\u642d\u914d\u7535\u6e90\u65b9\u6848\uff1aU6315+U7710\u3002<\/p>\n

    \u00a0<\/p>\n<\/p><\/div>\n

    \u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (0<\/span>) <\/div>\n
    <\/div>\n<\/p><\/div>\n<\/p><\/div>\n
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