{"id":17094,"date":"2024-12-05T09:50:35","date_gmt":"2024-12-05T01:50:35","guid":{"rendered":"http:\/\/www.szryc.com\/?p=17094"},"modified":"2024-12-05T09:50:35","modified_gmt":"2024-12-05T01:50:35","slug":"%e7%94%b5%e6%ba%90%e6%8e%a7%e5%88%b6%e7%94%b5%e8%b7%af-lp3773fm3773%e8%8a%af%e7%89%87%e5%8f%82%e6%95%b0%e5%92%8c%e5%ba%94%e7%94%a8","status":"publish","type":"post","link":"http:\/\/www.szryc.com\/?p=17094","title":{"rendered":"\u7535\u6e90\u63a7\u5236\u7535\u8def LP3773(FM3773)\u82af\u7247\u53c2\u6570\u548c\u5e94\u7528"},"content":{"rendered":"

LTC3773 \u662f\u4e00\u6b3e\u7535\u6e90\u7ba1\u7406\u82af\u7247\uff0c\u5e38\u7528\u4e8eDC-DC\u8f6c\u6362\u5668\u8bbe\u8ba1\u4e2d\u3002\u4ee5\u4e0b\u662f\u5176\u4e3b\u8981\u53c2\u6570\u8bf4\u660e\uff1a<\/p>\n

1. **\u8f93\u5165\u7535\u538b\u8303\u56f4\uff1a** 4V \u81f3 36V
\n2. **\u8f93\u51fa\u7535\u538b\u8303\u56f4\uff1a** \u53ef\u8c03\u8282\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u5916\u90e8\u7535\u8def\u8bbe\u8ba1
\n3. **\u5f00\u5173\u9891\u7387\uff1a** \u53ef\u8c03\uff0c\u901a\u5e38\u5728 200kHz \u81f3 600kHz \u4e4b\u95f4
\n4. **\u8f93\u51fa\u7535\u6d41\uff1a** \u53d6\u51b3\u4e8e\u5916\u90e8\u7ec4\u4ef6\u548c\u8bbe\u8ba1
\n5. **\u6548\u7387\uff1a** \u9ad8\u8fbe 95%\uff08\u5177\u4f53\u6548\u7387\u53d6\u51b3\u4e8e\u5e94\u7528\u6761\u4ef6\uff09
\n6. **\u5de5\u4f5c\u6e29\u5ea6\u8303\u56f4\uff1a** -40\u00b0C \u81f3 125\u00b0C
\n7. **\u5c01\u88c5\u7c7b\u578b\uff1a** \u5e38\u89c1\u7684\u6709 SSOP \u548c QFN \u5c01\u88c5<\/p>\n

LTC3773 \u5177\u6709\u9ad8\u6548\u7387\u3001\u5bbd\u8f93\u5165\u7535\u538b\u8303\u56f4\u548c\u7075\u6d3b\u7684\u8bbe\u8ba1\u7279\u6027\uff0c\u9002\u7528\u4e8e\u591a\u79cd\u7535\u6e90\u7ba1\u7406\u5e94\u7528\u3002\u5177\u4f53\u7684\u7535\u8def\u8bbe\u8ba1\u548c\u53c2\u6570\u8bbe\u7f6e\u9700\u8981\u53c2\u8003\u82af\u7247\u7684\u8be6\u7ec6\u6570\u636e\u624b\u518c\u3002<\/p>\n

LTC3773\u82af\u7247\u5e38\u7528\u4e8eDC-DC\u964d\u538b\u8f6c\u6362\u5668\u7684\u8bbe\u8ba1\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u5e94\u7528\u6848\u4f8b\u8bf4\u660e\uff1a<\/p>\n

### \u5e94\u7528\u6848\u4f8b\uff1aDC-DC\u964d\u538b\u8f6c\u6362\u5668<\/p>\n

**\u76ee\u6807\uff1a** \u5c0612V\u8f93\u5165\u7535\u538b\u8f6c\u6362\u4e3a5V\u8f93\u51fa\u7535\u538b\uff0c\u8f93\u51fa\u7535\u6d41\u4e3a2A\u3002<\/p>\n

#### \u4e3b\u8981\u7ec4\u4ef6\uff1a<\/p>\n

- **LTC3773\u82af\u7247**
\n- **\u7535\u611f\u5668 (L)\uff1a** \u9009\u62e9\u5408\u9002\u7684\u7535\u611f\u503c\u4ee5\u652f\u6301\u6240\u9700\u7684\u7535\u6d41\u548c\u5f00\u5173\u9891\u7387
\n- **\u8f93\u5165\/\u8f93\u51fa\u7535\u5bb9\u5668 (CIN, COUT)\uff1a** \u7528\u4e8e\u6ee4\u6ce2\u548c\u7a33\u5b9a\u7535\u538b
\n- **\u8096\u7279\u57fa\u4e8c\u6781\u7ba1 (D)\uff1a** \u7528\u4e8e\u7eed\u6d41
\n- **\u53cd\u9988\u7535\u963b (R1, R2)\uff1a** \u8bbe\u7f6e\u8f93\u51fa\u7535\u538b<\/p>\n

#### \u7535\u8def\u8bbe\u8ba1\u6b65\u9aa4\uff1a<\/p>\n

1. **\u9009\u62e9\u7535\u611f\u5668\uff1a** \u6839\u636e\u5f00\u5173\u9891\u7387\u548c\u8f93\u51fa\u7535\u6d41\u9009\u62e9\u5408\u9002\u7684\u7535\u611f\u503c\u3002
\n2. **\u8bbe\u7f6e\u53cd\u9988\u7535\u963b\uff1a** \u901a\u8fc7\u9009\u62e9\u5408\u9002\u7684R1\u548cR2\u6765\u8bbe\u5b9a\u8f93\u51fa\u7535\u538b\u3002\u8f93\u51fa\u7535\u538b \\( V_{\\text{out}} \\) \u53ef\u4ee5\u901a\u8fc7\u516c\u5f0f \\( V_{\\text{out}} = V_{\\text{ref}} \\times (1 + \\frac{R1}{R2}) \\) \u8ba1\u7b97\uff0c\u5176\u4e2d \\( V_{\\text{ref}} \\) \u662f\u82af\u7247\u7684\u53c2\u8003\u7535\u538b\u3002
\n3. **\u9009\u62e9\u7535\u5bb9\u5668\uff1a** \u786e\u4fdd\u8f93\u5165\u548c\u8f93\u51fa\u7535\u5bb9\u5668\u80fd\u591f\u5904\u7406\u6240\u9700\u7684\u7535\u6d41\u548c\u7535\u538b\u3002
\n4. **\u8096\u7279\u57fa\u4e8c\u6781\u7ba1\uff1a** \u9009\u62e9\u80fd\u591f\u627f\u53d7\u6700\u5927\u7535\u6d41\u548c\u53cd\u5411\u7535\u538b\u7684\u4e8c\u6781\u7ba1\u3002<\/p>\n

#### \u6ce8\u610f\u4e8b\u9879\uff1a<\/p>\n

- \u786e\u4fdd\u6240\u6709\u7ec4\u4ef6\u7684\u989d\u5b9a\u503c\u6ee1\u8db3\u7535\u8def\u7684\u6700\u5927\u7535\u6d41\u548c\u7535\u538b\u8981\u6c42\u3002
\n- \u6839\u636e\u5e94\u7528\u9700\u6c42\u8c03\u6574\u5f00\u5173\u9891\u7387\u4ee5\u4f18\u5316\u6548\u7387\u548c\u6027\u80fd\u3002<\/p>\n

\u901a\u8fc7\u4ee5\u4e0a\u6b65\u9aa4\uff0c\u53ef\u4ee5\u8bbe\u8ba1\u4e00\u4e2a\u57fa\u4e8eLTC3773\u7684\u9ad8\u6548DC-DC\u964d\u538b\u8f6c\u6362\u5668\u3002<\/p>\n

\u9700\u8981\u89c4\u683c\u4e66\u548c\u6837\u677f\u8bf7\u8054\u7cfb\u6211\u4eec\u65e5\u6708\u8fb0\u516c\u53f8<\/p>\n","protected":false},"excerpt":{"rendered":"

LTC3773 \u662f\u4e00\u6b3e\u7535\u6e90\u7ba1\u7406\u82af\u7247\uff0c\u5e38\u7528\u4e8eDC-DC\u8f6c\u6362\u5668\u8bbe\u8ba1\u4e2d\u3002\u4ee5\u4e0b\u662f\u5176\u4e3b\u8981\u53c2\u6570\u8bf4\u660e\uff1a 1. **\u8f93\u5165\u7535\u538b\u8303 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"_links":{"self":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts\/17094"}],"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=17094"}],"version-history":[{"count":1,"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts\/17094\/revisions"}],"predecessor-version":[{"id":17096,"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts\/17094\/revisions\/17096"}],"wp:attachment":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=17094"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=17094"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=17094"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}