{"id":16020,"date":"2024-01-02T14:39:24","date_gmt":"2024-01-02T06:39:24","guid":{"rendered":"http:\/\/www.szryc.com\/?p=16020"},"modified":"2024-01-02T14:39:24","modified_gmt":"2024-01-02T06:39:24","slug":"11%e4%b8%aa%e9%87%91%e5%be%8b%e8%bd%bb%e6%9d%be%e6%90%9e%e5%ae%9adcdc%e7%94%b5%e6%ba%90%e8%bd%ac%e6%8d%a2%e7%94%b5%e8%b7%af%e8%ae%be%e8%ae%a1","status":"publish","type":"post","link":"http:\/\/www.szryc.com\/?p=16020","title":{"rendered":"11\u4e2a\u91d1\u5f8b\u8f7b\u677e\u641e\u5b9aDCDC\u7535\u6e90\u8f6c\u6362\u7535\u8def\u8bbe\u8ba1"},"content":{"rendered":"

\u641e\u5b9aDC<\/u>-DC\u7535\u6e90<\/u>\u8f6c\u6362\u7535\u8def\u8bbe\u8ba1<\/u>\u65b9\u6848\u768411\u4e2a\u9ec4\u91d1\u5b9a\u5f8b\u3002<\/strong><\/p>\n

\u641e\u5d4c\u5165\u5f0f<\/u>\u7684\u5de5\u7a0b\u5e08<\/u>\u4eec\u5f80\u5f80\u628a\u5355\u7247\u673a<\/u>\u3001ARM<\/u>\u3001DSP<\/u>\u3001FPGA<\/u>\u641e\u7684\u5f97\u5fc3\u5e94\u624b\uff0c\u800c\u4e00\u65e6\u8fdb\u884c\u7cfb\u7edf\u8bbe\u8ba1\uff0c\u5230\u4e86\u7ed9\u7535\u6e90\u7cfb\u7edf\u4f9b\u7535<\/u>\uff0c\u867d\u7136\u4e5f\u80fd\u8ba9\u5176\u7cbe\u5fc3\u8bbe\u8ba1\u7684\u7a0b\u5e8f\u8fd0\u884c\u8d77\u6765\uff0c\u4f46\u5bf9\u4e8e\u65b0\u624b\u6765\u8bf4\uff0c\u6709\u65f6\u53ef\u80fd\u6548\u7387\u4f4e\u4e0b\uff0c\u5f80\u5f80\u8fd8\u6709\u4f9b\u7535\u7535\u6d41<\/u>\u4e0d\u8db3\u6216\u8fc7\u5927\u5f15\u8d77\u8fd9\u6837\u90a3\u6837\u7684\u95ee\u9898\uff0c\u672c\u658711\u4e2a\u91d1\u5f8b\u8f7b\u677e\u641e\u5b9aDCDC\u7535\u6e90\u8f6c\u6362\u7535\u8def\u8bbe\u8ba1\u3002<\/p>\n

01<\/p>\n

\u641e\u61c2<\/strong>DC-DC<\/strong>\u7535\u6e90\u600e\u4e48\u56de\u4e8b<\/strong><\/p>\n

DC-DC\u7535\u6e90\u7535\u8def<\/u>\u53c8\u79f0\u4e3aDC-DC\u8f6c\u6362\u7535\u8def\uff0c\u5176\u4e3b\u8981\u529f\u80fd\u5c31\u662f\u8fdb\u884c\u8f93\u5165\u8f93\u51fa\u7535\u538b\u8f6c\u6362\u3002\u4e00\u822c\u6211\u4eec\u628a\u8f93\u5165\u7535\u6e90\u7535\u538b\u572872V\u4ee5\u5185\u7684\u7535\u538b\u53d8\u6362\u8fc7\u7a0b\u79f0\u4e3aDC-DC\u8f6c\u6362\u3002\u5e38\u89c1\u7684\u7535\u6e90\u4e3b\u8981\u5206\u4e3a\u8f66\u8f7d\u4e0e\u901a\u8baf\u7cfb\u5217\u548c\u901a\u7528\u5de5\u4e1a<\/u>\u4e0e\u6d88\u8d39\u7cfb\u5217\uff0c\u524d\u8005\u7684\u4f7f\u7528\u7684\u7535\u538b\u4e00\u822c\u4e3a48V\u300136V\u300124V\u7b49\uff0c\u540e\u8005\u4f7f\u7528\u7684\u7535\u6e90\u7535\u538b\u4e00\u822c\u572824V\u4ee5\u4e0b\u3002\u4e0d\u540c\u5e94\u7528\u9886\u57df\u89c4\u5f8b\u4e0d\u540c\uff0c\u5982PC\u4e2d\u5e38\u7528\u7684\u662f12V\u30015V\u30013.3V\uff0c\u6a21\u62df<\/u>\u7535\u8def\u7535\u6e90\u5e38\u75285V 15V\uff0c\u6570\u5b57\u7535\u8def<\/u>\u5e38\u75283.3V\u7b49\uff0c\u73b0\u5728\u7684FPGA\u3001DSP\u8fd8\u75282V\u4ee5\u4e0b\u7684\u7535\u538b\uff0c\u8bf8\u59821.8V\u30011.5V\u30011.2V\u7b49\u3002\u5728\u901a\u4fe1<\/u>\u7cfb\u7edf\u4e2d\u4e5f\u79f0\u4e8c\u6b21\u7535\u6e90\uff0c\u5b83\u662f\u7531\u4e00\u6b21\u7535\u6e90\u6216\u76f4\u6d41\u7535\u6c60\u7ec4\u63d0\u4f9b\u4e00\u4e2a\u76f4\u6d41\u8f93\u5165\u7535\u538b\uff0c\u7ecfDC-DC\u53d8\u6362\u4ee5\u540e\u5728\u8f93\u51fa\u7aef\u83b7\u4e00\u4e2a\u6216\u51e0\u4e2a\u76f4\u6d41\u7535\u538b\u3002<\/p>\n

02<\/p>\n

\u9700\u8981\u77e5\u9053\u7684DC-DC\u8f6c\u6362\u7535\u8def\u5206\u7c7b<\/strong><\/p>\n

DC-DC\u8f6c\u6362\u7535\u8def\u4e3b\u8981\u5206\u4e3a\u4ee5\u4e0b\u4e09\u5927\u7c7b\uff1a<\/p>\n

1 \u7a33\u538b\u7ba1\u7a33\u538b\u7535\u8def\u3002\u2461\u7ebf\u6027 (\u6a21\u62df)\u7a33\u538b\u7535\u8def\u3002\u2462\u5f00\u5173\u578b\u7a33\u538b\u7535\u8def<\/p>\n

03<\/p>\n

\u6700\u7b80\u5355\u7684\u7a33\u538b\u7ba1\u7535\u8def\u8bbe\u8ba1\u65b9\u6848<\/strong><\/p>\n

\u7a33\u538b\u7ba1\u7a33\u538b\u7535\u8def\u7535\u8def\u7ed3\u6784\u7b80\u5355\uff0c\u4f46\u662f\u5e26\u8d1f\u8f7d\u80fd\u529b\u5dee\uff0c\u8f93\u51fa\u529f\u7387\u5c0f\uff0c\u4e00\u822c\u53ea\u4e3a\u82af\u7247<\/u>\u63d0\u4f9b\u57fa\u51c6\u7535\u538b\uff0c\u4e0d\u505a\u7535\u6e90\u4f7f\u7528\u3002\u6bd4\u8f83\u5e38\u7528\u7684\u662f\u5e76\u8054\u578b\u7a33\u538b\u7535\u8def\uff0c\u5176\u7535\u8def\u7b80\u56fe\u5982\u56fe(1)\u6240\u793a\uff1a<\/p>\n

\"wKgZomWTenmAf-26AAARnjtptzo033\"<\/div>\n

\u9009\u62e9\u7a33\u538b\u7ba1\u65f6\u4e00\u822c\u53ef\u6309\u4e0b\u8ff0\u5f0f\u5b50\u4f30\u7b97\uff1a(1) Uz=Vout\uff1b(2)Izmax=(1.5-3)ILmax (3)Vin=(2-3)Vout \u8fd9\u79cd\u7535\u8def\u7ed3\u6784\u7b80\u5355\uff0c\u53ef\u4ee5\u6291\u5236\u8f93\u5165\u7535\u538b\u7684\u6270\u52a8\uff0c\u4f46\u7531\u4e8e\u53d7\u5230\u7a33\u538b\u7ba1\u6700\u5927\u5de5\u4f5c\u7535\u6d41\u9650\u5236\uff0c\u540c\u65f6\u8f93\u51fa\u7535\u538b\u53c8\u4e0d\u80fd\u4efb\u610f\u8c03\u8282\uff0c\u56e0\u6b64\u8be5\u7535\u8def\u9002\u5e94\u4e8e\u8f93\u51fa\u7535\u538b\u4e0d\u9700\u8c03\u8282\uff0c\u8d1f\u8f7d\u7535\u6d41\u5c0f\uff0c\u8981\u6c42\u4e0d\u9ad8\u7684\u573a\u5408\uff0c\u8be5\u7535\u8def\u5e38\u7528\u4f5c\u5bf9\u4f9b\u7535\u7535\u538b\u8981\u6c42\u4e0d\u9ad8\u7684\u82af\u7247\u4f9b\u7535\u3002<\/p>\n

04<\/p>\n

\u57fa\u51c6\u7535\u538b\u6e90\u82af\u7247\u7a33\u538b\u7535\u8def<\/strong><\/p>\n

\u7a33\u538b\u7535\u8def\u7684\u53e6\u4e00\u79cd\u5f62\u5f0f\uff0c\u6709\u4e9b\u82af\u7247\u5bf9\u4f9b\u7535\u7535\u538b\u8981\u6c42\u6bd4\u8f83\u9ad8\uff0c\u4f8b\u5982AD<\/u>\u00a0DA\u82af\u7247\u7684\u57fa\u51c6\u7535\u538b\u7b49\uff0c\u8fd9\u65f6\u5e38\u7528\u7684\u4e00\u4e9b\u7535\u538b\u57fa\u51c6<\/u>\u82af\u7247\u5982TL431\u3001 MC1403 \uff0cREF02\u7b49\u3002TL431\u662f\u6700\u5e38\u7528\u57fa\u51c6\u6e90\u82af\u7247\uff0c\u6709\u826f\u597d\u7684\u70ed\u7a33\u5b9a\u6027\u80fd\u7684\u4e09\u7aef\u53ef\u8c03\u5206\u6d41\u57fa\u51c6\u7535\u538b\u6e90\u3002\u5b83\u7684\u8f93\u51fa\u7535\u538b\u7528\u4e24\u4e2a\u7535\u963b<\/u>\u5c31\u53ef\u4ee5\u4efb\u610f\u5730\u8bbe\u7f6e\u5230\u4eceVr<\/u>ef(2.5V)\u523036V\u8303\u56f4\u5185\u7684\u4efb\u4f55\u503c\u3002\u6700\u5e38\u7528\u7684\u7535\u8def\u5e94\u7528\u5982\u4e0b\u56fe\u793a\uff0c\u6b64\u65f6Vo=(1+R1\/R2)Vref\u3002\u9009\u62e9\u4e0d\u540c\u7684R1\u548cR2\u7684\u503c\u53ef\u4ee5\u5f97\u5230\u4ece2.5V\u523036V\u8303\u56f4\u5185\u7684\u4efb\u610f\u7535\u538b\u8f93\u51fa\uff0c\u7279\u522b\u5730\uff0c\u5f53R1=R2\u65f6\uff0cVo=5V\u3002<\/p>\n

\"wKgZomWTenmAE0hXAAAeA2WDhh4926\"<\/div>\n

\u5176\u4ed6\u7684\u51e0\u4e2a\u57fa\u51c6\u7535\u538b\u6e90\u82af\u7247\u7535\u8def\u7c7b\u4f3c\u3002<\/p>\n

05<\/p>\n

\u4e32\u8054\u578b\u7a33\u538b\u7535\u6e90<\/u>\u7684\u7535\u8def\u8ba4\u8bc6<\/strong><\/p>\n

\u4e32\u8054\u578b\u7a33\u538b\u7535\u8def\u5c5e\u76f4\u6d41\u7a33\u538b\u7535\u6e90\u4e2d\u7684\u4e00\u79cd\uff0c\u5176\u5b9e\u662f\u5728\u4e09\u7aef\u7a33\u538b\u5668\u51fa\u73b0\u4e4b\u524d\u6bd4\u8f83\u5e38\u7528\u7684\u76f4\u6d41\u4f9b\u7535\u65b9\u6cd5\uff0c\u5728\u4e09\u7aef\u7a33\u538b\u5668\u51fa\u73b0\u4e4b\u524d\uff0c\u4e32\u8054\u7a33\u538b\u5668\u901a\u5e38\u6709OP\u653e\u5927\u5668<\/u>\u548c\u7a33\u538b\u4e8c\u6781\u7ba1<\/u>\u6784\u6210\u8bef\u5dee\u68c0\u6d4b<\/u>\u7535\u8def\uff0c\u5982\u4e0b\u56fe\uff0c\u8be5\u7535\u8def\u4e2d\uff0cOP\u653e\u5927\u5668\u7684\u53cd\u5411\u8f93\u5165\u7aef\u5b50<\/u>\u4e0e\u8f93\u51fa\u7535\u538b\u7684\u68c0\u6d4b\u4fe1\u53f7<\/u>\u76f8\u8fde\u3002<\/p>\n

\u6b63\u5411\u8f93\u5165\u7aef\u5b50\u4e0e\u57fa\u51c6\u7535\u538bVref\u76f8\u8fde\uff0cVs=Vout*R2\/(R1+R2).\u7531\u4e8e\u653e\u5927\u4fe1\u53f7\u0394Vs\u4e3a\u8d1f\u503c\uff0c\u63a7\u5236\u6676\u4f53\u7ba1<\/u>\u7684\u57fa\u7ea7\u7535\u538b\u4e0b\u964d\uff0c\u56e0\u6b64\u8f93\u51fa\u7535\u538b\u51cf\u5c0f\u5728\u6b63\u5e38\u60c5\u51b5\u4e0b\uff0c\u5fc5\u6709Vref=Vs=Vout*R2\/(R1+R2)\uff0c\u8c03\u6574R1\uff0cR2\u4e4b\u6bd4\u53ef\u8bbe\u5b9a\u6240\u9700\u8981\u7684\u8f93\u51fa\u7535\u538b\u503c\u3002<\/p>\n

\u56fe\u4e2d\u6240\u793a\u53ea\u662f\u8fd9\u4e5f\u662f\u4e09\u7aef\u7a33\u538b\u5668\u7684\u57fa\u672c\u539f\u7406\uff0c\u5176\u5b9e\u8d1f\u8f7d\u5927\u5c0f\u53ef\u4ee5\u53ef\u4ee5\u628a\u4e09\u6781\u7ba1\u6362\u6210\u8fbe\u6797\u987f<\/u>\u7ba1\u7b49\u7b49\uff0c\u8fd9\u79cd\u4e32\u8054\u578b\u7a33\u538b\u7535\u8def\u505a\u7ec4\u6210\u7684\u76f4\u6d41\u7a33\u538b\u7535\u6e90\u5904\u7406\u4e0d\u5f53\uff0c\u6781\u6613\u4ea7\u751f\u632f\u8361\u3002\u73b0\u5728\u6ca1\u6709\u4e00\u5b9a\u6a21\u62df\u529f\u5e95\u7684\u5de5\u7a0b\u5e08\uff0c\u4e00\u822c\u73b0\u5728\u4e0d\u7528\u8fd9\u79cd\u65b9\u6cd5\uff0c\u800c\u662f\u76f4\u63a5\u91c7\u7528\u96c6\u6210\u7684\u4e09\u7aef\u7a33\u538b\u7535\u8def\uff0c\u8fdb\u884cDC-DC\u8f6c\u6362\u7535\u8def\u7684\u4f7f\u7528\u3002<\/p>\n

\"wKgZomWTenqAYgSZAAAerqCmzpU420\"<\/div>\n

06<\/p>\n

\u7ebf\u6027(\u6a21\u62df)\u96c6\u6210\u7a33\u538b\u7535\u8def\u5e38\u7528\u8bbe\u8ba1\u65b9\u6848<\/strong><\/p>\n

\u7ebf\u6027\u7a33\u538b\u7535\u8def\u8bbe\u8ba1\u65b9\u6848\u4e3b\u8981\u4ee5\u4e09\u7aef\u96c6\u6210\u7a33\u538b\u5668\u4e3a\u4e3b\u3002\u4e09\u7aef\u7a33\u538b\u5668\uff0c\u4e3b\u8981\u6709\u4e24\u79cd\uff1a<\/p>\n

\u4e00\u79cd\u8f93\u51fa\u7535\u538b\u662f\u56fa\u5b9a\u7684\uff0c\u79f0\u4e3a\u56fa\u5b9a\u8f93\u51fa\u4e09\u7aef\u7a33\u538b\u5668\uff0c\u4e09\u7aef\u7a33\u538b\u5668\u7684\u901a\u7528\u4ea7\u54c1\u670978\u7cfb\u5217(\u6b63\u7535\u6e90)\u548c79\u7cfb\u5217(\u8d1f\u7535\u6e90)\uff0c\u8f93\u51fa\u7535\u538b\u7531\u5177\u4f53\u578b\u53f7\u4e2d\u7684\u540e\u9762\u4e24\u4e2a\u6570\u5b57\u4ee3\u8868\uff0c\u67095V\uff0c6V\uff0c8V\uff0c9V\uff0c12V\uff0c15V\uff0c18V\uff0c24V\u7b49\u6863\u6b21\u3002\u8f93\u51fa\u7535\u6d41\u4ee578(\u621679)\u540e\u9762\u52a0\u5b57\u6bcd\u6765\u533a\u5206\u3002L\u8868\u793a0.1A\uff0cM\u8868\u793a0.5A\uff0c\u65e0\u5b57\u6bcd\u8868\u793a1.5A\uff0c\u598278L05\u8868\u6c425V 0.1A\u3002<\/p>\n

\u53e6\u4e00\u79cd\u8f93\u51fa\u7535\u538b\u662f\u53ef\u8c03\u7684\u7ebf\u6027\u7a33\u538b\u7535\u8def\uff0c\u79f0\u4e3a\u53ef\u8c03\u8f93\u51fa\u4e09\u7aef\u7a33\u538b\u5668\uff0c\u8fd9\u7c7b\u82af\u7247\u4ee3\u8868\u662f\u662fLM317(\u6b63\u8f93\u51fa)\u548cLM337(\u8d1f\u8f93\u51fa)\u7cfb\u5217\u3002\u5176\u6700\u5927\u8f93\u5165\u8f93\u51fa\u6781\u9650\u5dee\u503c\u572840V\uff0c\u8f93\u51fa\u7535\u538b\u4e3a1.2V-35V(-1.2V--35V)\u8fde\u7eed\u53ef\u8c03\uff0c\u8f93\u51fa\u7535\u6d41\u4e3a0.5-1.5A\uff0c\u8f93\u51fa\u7aef\u4e0e\u8c03\u6574\u7aef\u4e4b\u95f4\u7535\u538b\u57281.25V\uff0c\u8c03\u6574\u7aef\u9759\u6001\u7535\u6d41\u4e3a50uA\u3002<\/p>\n

\u5176\u57fa\u672c\u539f\u7406\u76f8\u540c\uff0c\u5747\u91c7\u7528\u4e32\u8054\u578b\u7a33\u538b\u7535\u8def\u3002\u5728\u7ebf\u6027\u96c6\u6210\u7a33\u538b\u5668\u4e2d\uff0c\u7531\u4e8e\u4e09\u7aef\u7a33\u538b\u5668\u53ea\u6709\u4e09\u4e2a\u5f15\u51fa\u7aef\u5b50\uff0c\u5177\u6709\u5916\u63a5\u5143\u4ef6\u5c11\uff0c\u4f7f\u7528\u65b9\u4fbf\uff0c\u6027\u80fd\u7a33\u5b9a\uff0c\u4ef7\u683c\u4f4e\u5ec9\u7b49\u4f18\u70b9\uff0c\u56e0\u800c\u5f97\u5230\u5e7f\u6cdb\u5e94\u7528\u3002<\/p>\n

07<\/p>\n

DCDC\u8f6c\u6362\u5f00\u5173\u578b\u7a33\u538b\u7535\u8def\u8bbe\u8ba1\u65b9\u6848<\/strong><\/p>\n

\u4e0a\u9762\u6240\u8ff0\u7684\u51e0\u79cdDCDC\u8f6c\u6362\u7535\u8def\u90fd\u5c5e\u4e8e\u4e32\u8054\u53cd\u9988\u5f0f\u7a33\u538b\u7535\u8def\uff0c\u5728\u6b64\u79cd\u5de5\u4f5c\u6a21\u5f0f\u4e2d\u96c6\u6210\u7a33\u538b\u5668\u4e2d\u8c03\u6574\u7ba1\u5de5\u4f5c\u5728\u7ebf\u6027\u653e\u5927\u72b6\u6001\uff0c\u56e0\u6b64\u5f53\u8d1f\u8f7d\u7535\u6d41\u5927\u65f6\uff0c\u635f\u8017\u6bd4\u8f83\u5927\uff0c\u5373\u8f6c\u6362\u6548\u7387\u4e0d\u9ad8\u3002\u56e0\u6b64\u4f7f\u7528\u96c6\u6210\u7a33\u538b\u5668\u7684\u7535\u6e90\u7535\u8def\u529f\u7387\u90fd\u4e0d\u4f1a\u5f88\u5927\uff0c\u4e00\u822c\u53ea\u67092-3W\uff0c\u8fd9\u79cd\u8bbe\u8ba1\u65b9\u6848\u4ec5\u9002\u5408\u4e8e\u5c0f\u529f\u7387\u7535\u6e90\u7535\u8def\u3002<\/p>\n

\u91c7\u7528\u5f00\u5173\u7535\u6e90<\/u>\u82af\u7247\u8bbe\u8ba1\u7684DCDC\u8f6c\u6362\u7535\u8def\u8f6c\u5316\u6548\u7387\u9ad8\uff0c\u9002\u7528\u4e8e\u8f83\u5927\u529f\u7387\u7535\u6e90\u7535\u8def\u3002\u76ee\u524d\u5f97\u5230\u4e86\u5e7f\u6cdb\u7684\u5e94\u7528\uff0c\u5e38\u7528\u7684\u5206\u4e3a\u975e\u9694\u79bb\u5f0f\u7684\u5f00\u5173\u7535\u6e90\u4e0e\u9694\u79bb\u5f0f\u7684\u5f00\u5173\u7535\u6e90\u7535\u8def\u3002<\/p>\n

DCDC\u8f6c\u6362\u5f00\u5173\u578b\u7a33\u538b\u7535\u8def\u8bbe\u8ba1\u65b9\u6848\uff0c\u91c7\u7528\u5f00\u5173\u7535\u6e90\u82af\u7247\u8bbe\u8ba1\u7684DCDC\u8f6c\u6362\u7535\u8def\u8f6c\u5316\u6548\u7387\u9ad8\uff0c\u9002\u7528\u4e8e\u8f83\u5927\u529f\u7387\u7535\u6e90\u7535\u8def\u3002\u76ee\u524d\u5f97\u5230\u4e86\u5e7f\u6cdb\u7684\u5e94\u7528\uff0c\u5e38\u7528\u7684\u5206\u4e3a\u975e\u9694\u79bb\u5f0f\u7684\u5f00\u5173\u7535\u6e90\u4e0e\u9694\u79bb\u5f0f\u7684\u5f00\u5173\u7535\u6e90\u7535\u8def\u3002\u5f53\u7136\u5f00\u5173\u7535\u6e90\u57fa\u672c\u7684\u62d3\u6251\u5305\u62ec\u964d\u538b\u578b\u3001\u5347\u538b\u578b\u3001\u5347\u964d\u538b\u578b\u53ca\u53cd\u6fc0\u3001\u6b63\u6fc0\u3001\u6865\u5f0f\u53d8\u5316\u7b49\u7b49\u3002<\/p>\n

08<\/p>\n

\u975e\u9694\u79bb\u5f0fDCDC\u5f00\u5173\u8f6c\u6362\u96c6\u6210\u7535\u8def<\/u>\u82af\u7247\u7535\u8def\u8bbe\u8ba1\u65b9\u6848<\/strong><\/p>\n

DCDC\u5f00\u5173\u8f6c\u6362\u96c6\u6210\u7535\u8def\u82af\u7247\uff0c\u8fd9\u7c7b\u82af\u7247\u7684\u4f7f\u7528\u65b9\u6cd5\u4e0e\u7b2c\u516d\u6761\u4e2d\u7684LM317\u975e\u5e38\u76f8\u4f3c\uff0c\u8fd9\u91cc\u7528L4960\u4e3e\u4f8b\u8bf4\u660e\uff0c\u4e00\u822c\u662f\u5148\u4f7f\u752850Hz\u7535\u6e90\u53d8\u538b\u5668\u8fdb\u884cAC<\/u>-AC\u53d8\u6362\uff0c\u5c06\uff5e220V\u964d\u81f3\u5f00\u5173\u7535\u6e90\u96c6\u6210\u8f6c\u6362\u82af\u7247\u8f93\u5165\u7535\u538b\u8303\u56f4\u6bd4\u59821.2\uff5e34V\uff0c\u7531L4960\u8fdb\u884cDC-DC\u53d8\u6362\uff0c\u8fd9\u65f6\u8f93\u51fa\u7535\u538b\u7684\u53d8\u5316\u8303\u56f4\u4e0b\u53ef\u8c03\u81f35V\uff0c\u4e0a\u8c03\u81f340V\uff0c\u6700\u5927\u8f93\u51fa\u7535\u6d41\u53ef\u8fbe2.5A(\u8fd8\u53ef\u4ee5\u63a5\u5927\u529f\u7387\u5f00\u5173\u7ba1\u8fdb\u884c\u6269\u6d41)\uff0c\u5e76\u4e14\u5185\u8bbe\u5b8c\u5584\u7684\u4fdd\u62a4\u529f\u80fd\uff0c\u5982\u8fc7\u6d41\u4fdd\u62a4\u3001\u8fc7\u70ed\u4fdd\u62a4\u7b49\u3002<\/p>\n

\u5c3d\u7ba1L4960\u7684\u4f7f\u7528\u65b9\u6cd5\u4e0eLM317\u5dee\u4e0d\u591a\uff0c\u4f46\u5f00\u5173\u7535\u6e90\u7684L4960\u4e0e\u7ebf\u6027\u7535\u6e90\u7684LM317\u76f8\u6bd4\uff0c\u6548\u7387\u4e0d\u53ef\u540c\u66f0\u800c\u8bed\uff0cL4960\u6700\u5927\u53ef\u8f93\u51fa100W\u7684\u529f\u7387(Pmax=40V*2.5A=100W)\uff0c\u4f46\u672c\u8eab\u6700\u591a\u53ea\u6d88\u80177W\uff0c\u6240\u4ee5\u6563\u70ed\u5668\u5f88\u5c0f\uff0c\u5236\u4f5c\u5bb9\u6613\u3002<\/p>\n

\u4e0eL4960\u7c7b\u4f3c\u7684\u8fd8\u6709L296\uff0c\u5176\u57fa\u672c\u53c2\u6570<\/u>\u4e0eL4960\u76f8\u540c\uff0c\u53ea\u662f\u6700\u5927\u8f93\u51fa\u7535\u6d41\u53ef\u9ad8\u8fbe4A\uff0c\u4e14\u5177\u6709\u66f4\u591a\u7684\u4fdd\u62a4\u529f\u80fd\uff0c\u5c01\u88c5\u5f62\u5f0f\u4e5f\u4e0d\u4e00\u6837\u3002\u8fd9\u6837\u7684\u82af\u7247\u6bd4\u8f83\u591a\uff0c\u6bd4\u5982\uff0cLM2576\u7cfb\u5217\uff0cTPS54350\uff0cLTC3770\u7b49\u7b49\u3002\u4e00\u822c\u5728\u4f7f\u7528\u8fd9\u4e9b\u82af\u7247\u65f6\uff0c\u5382\u5bb6\u90fd\u4f1a\u8be6\u7ec6\u7684\u4f7f\u7528\u8bf4\u660e\u548c\u5178\u578b\u7535\u8def\u4f9b\u53c2\u8003\u3002<\/p>\n

09<\/p>\n

\u9694\u79bb\u7684DCDC<\/strong>\u5f00\u5173\u7535\u6e90\u6a21\u5757<\/strong>\u7535\u8def\u8bbe\u8ba1\u65b9\u6848<\/strong><\/p>\n

\u5e38\u7528\u7684\u9694\u79bbDC-DC\u8f6c\u6362\u4e3b\u8981\u5206\u4e3a\u4e09\u5927\u7c7b\uff1a<\/p>\n

1.\u53cd\u6fc0\u5f0f\u53d8\u6362\uff1b2.\u6b63\u6fc0\u5f0f\u53d8\u6362\uff1b3.\u6865\u5f0f\u53d8\u6362<\/p>\n

\u5e38\u7528\u7684\u5355\u7aef\u53cd\u6fc0\u5f0fDC-DC\u53d8\u6362\u7535\u8def\uff0c\u8fd9\u7c7b\u9694\u79bb\u7684\u63a7\u5236\u82af\u7247<\/u>\u578b\u53f7\u4e5f\u4e0d\u5c11\u3002\u63a7\u5236\u82af\u7247\u5178\u578b\u4ee3\u8868\u662f\u5e38\u7528\u7684UC3842\u7cfb\u5217\u3002\u8fd9\u79cd\u662f\u9ad8\u6027\u80fd\u56fa\u5b9a\u9891\u7387\u7535\u6d41\u7684\u63a7\u5236\u5668<\/u>\uff0c\u4e3b\u8981\u7528\u4e8e\u9694\u79bbAC\/DC\u3001DC-DC\u8f6c\u6362\u7535\u8def\u3002\u5176\u4e3b\u8981\u5e94\u7528\u539f\u7406\u662f\uff1a\u7535\u8def\u7531\u4e3b\u7535\u8def\u3001\u63a7\u5236\u7535\u8def<\/u>\u3001\u542f\u52a8\u7535\u8def\u548c\u53cd\u9988\u7535\u8def4 \u90e8\u5206\u7ec4\u6210\u3002<\/p>\n

\u4e3b\u7535\u8def\u91c7\u7528\u5355\u7aef\u53cd\u6fc0\u5f0f\u62d3\u6251\uff0c\u5b83\u662f\u5347\u964d\u538b\u65a9\u6ce2\u7535\u8def\u6f14\u53d8\u540e\u52a0\u9694\u79bb\u53d8\u538b\u5668\u6784\u6210\u7684\uff0c\u8be5\u7535\u8def\u5177\u6709\u7ed3\u6784\u7b80\u5355\uff0c\u6548\u7387\u9ad8\uff0c\u8f93\u5165\u7535\u538b\u8303\u56f4\u5bbd\u7b49\u4f18\u70b9\u3002\u63a7\u5236\u7535\u8def\u662f\u6574\u4e2a\u5f00\u5173\u7535\u6e90\u7684\u6838\u5fc3\uff0c\u63a7\u5236\u7684\u597d\u574f\u76f4\u63a5\u51b3\u5b9a\u4e86\u7535\u6e90\u6574\u4f53\u6027\u80fd\u3002\u8fd9\u4e2a\u7535\u8def\u91c7\u7528\u5cf0\u503c\u7535\u6d41\u578b\u53cc\u73af\u63a7\u5236\uff0c\u5373\u5728\u7535\u538b\u95ed\u73af\u63a7\u5236\u7cfb\u7edf<\/u>\u4e2d\u52a0\u5165\u5cf0\u503c\u7535\u6d41\u53cd\u9988\u63a7\u5236\u3002<\/p>\n

\u8fd9\u7c7b\u65b9\u6848\u9009\u62e9\u5408\u9002\u7684\u53d8\u538b\u5668\u53caMOS\u7ba1\u53ef\u4ee5\u628a\u529f\u7387\u505a\u7684\u5f88\u5927\uff0c\u4e0e\u524d\u9762\u51e0\u79cd\u8bbe\u8ba1\u65b9\u6848\u76f8\u6bd4\u7535\u8def\u7ed3\u6784\u590d\u6742\uff0c\u5143\u5668\u4ef6<\/u>\u53c2\u6570\u786e\u5b9a\u6bd4\u8f83\u56f0\u96be\uff0c\u5f00\u53d1\u6210\u672c\u8f83\u9ad8\uff0c\u56e0\u6b64\u9700\u8981\u6b64\u65b9\u6848\u65f6\u53ef\u4ee5\u4f18\u5148\u9009\u62e9\u5e02\u9762\u4e0a\u6bd4\u8f83\u5ec9\u4ef7\u7684DC-DC\u9694\u79bb\u6a21\u5757\u3002<\/p>\n

010<\/p>\n

DCDC\u5f00\u5173\u96c6\u6210<\/strong>\u7535\u6e90\u6a21\u5757<\/u><\/strong>\u65b9\u6848<\/strong><\/p>\n

\u5f88\u591a\u5fae\u5904\u7406\u5668<\/u>\u548c\u6570\u5b57\u4fe1\u53f7<\/u>\u5904\u7406\u5668<\/u>(DSP)\u90fd\u9700\u8981\u5185\u6838\u7535\u6e90\u548c\u4e00\u4e2a\u8f93\u5165\/\u8f93\u51fa(I\/O)\u7535\u6e90\uff0c\u8fd9\u4e9b\u7535\u6e90\u5728\u542f\u52a8\u65f6\u5fc5\u987b\u6392\u5e8f\u3002\u8bbe\u8ba1\u5e08\u4eec\u5fc5\u987b\u8003\u8651\u5728\u52a0\u7535\u548c\u65ad\u7535\u64cd\u4f5c\u65f6\u5185\u6838\u548cI\/O\u7535\u538b\u6e90\u7684\u76f8\u5bf9\u7535\u538b\u548c\u65f6\u5e8f\uff0c\u4ee5\u7b26\u5408\u5236\u9020\u5546\u89c4\u5b9a\u7684\u6027\u80fd\u89c4\u683c<\/u>\u3002<\/p>\n

\u5982\u679c\u6ca1\u6709\u6b63\u786e\u7684\u7535\u6e90\u6392\u5e8f\uff0c\u5c31\u53ef\u80fd\u51fa\u73b0\u95ed\u9501\u6216\u8fc7\u9ad8\u7684\u7535\u6d41\u6d88\u8017\uff0c\u8fd9\u53ef\u80fd\u5bfc\u81f4\u5fae\u5904\u7406\u5668I\/O\u7aef\u53e3<\/u>\u6216\u5b58\u50a8\u5668\u3001\u53ef\u7f16\u7a0b<\/u>\u903b\u8f91\u5668\u4ef6(PLD)\u3001\u73b0\u573a\u53ef\u7f16\u7a0b\u95e8\u9635\u5217(FPGA)\u6216\u6570\u636e\u8f6c\u6362\u5668\u7b49\u652f\u6301\u5668\u4ef6\u7684I\/O\u7aef\u53e3\u635f\u574f\u3002\u4e3a\u4e86\u786e\u4fdd\u5185\u6838\u7535\u538b\u6b63\u786e\u504f\u7f6e\u4e4b\u524d\u4e0d\u9a71\u52a8I\/O\u8d1f\u8f7d\uff0c\u5185\u6838\u7535\u6e90\u548cI\/O\u7535\u6e90\u8ddf\u8e2a\u662f\u5fc5\u9700\u7684\u3002<\/p>\n

\u73b0\u5728\u6709\u4e13\u95e8\u7684\u7535\u6e90\u6a21\u5757\u516c\u53f8<\/u>\u91cf\u8eab\u5b9a\u505a \u4e00\u4e9b\u4e13\u7528\u7684\u5f00\u5173\u7535\u6e90\u6a21\u5757\uff0c\u4e3b\u8981\u662f\u90a3\u4e9b\u5bf9\u9664\u53bb\u5e38\u89c4\u7535\u6027\u80fd\u6307\u6807\u4ee5\u5916\uff0c\u5bf9\u5176\u4f53\u79ef\u5c0f\uff0c\u529f\u7387\u5bc6\u5ea6\u9ad8\uff0c\u8f6c\u6362\u6548\u7387\u9ad8\uff0c\u53d1\u70ed\u5c11\uff0c\u5e73\u5747\u65e0\u6545\u969c\u5de5\u4f5c\u65f6\u95f4\u957f\uff0c\u53ef\u9760\u6027\u597d\uff0c\u66f4\u4f4e\u6210\u672c\u66f4\u9ad8\u6027\u80fd\u7684DC-DC\u7535\u6e90\u6a21\u5757\u3002<\/p>\n

\u8fd9\u4e9b\u6a21\u5757\u7ed3\u5408\u4e86\u5b9e\u73b0\u5373\u63d2\u5373\u7528(plug-and-play)\u89e3\u51b3\u65b9\u6848\u6240\u9700\u7684\u5927\u90e8\u5206\u6216\u5168\u90e8\u7ec4\u4ef6\uff0c\u53ef\u4ee5\u53d6\u4ee3\u591a\u8fbe40\u4e2a\u4e0d\u540c\u7684\u7ec4\u4ef6\u3002\u8fd9\u6837\u5c31\u7b80\u5316\u4e86\u96c6\u6210\u5e76\u52a0\u901f\u4e86\u8bbe\u8ba1\uff0c\u540c\u65f6\u53ef\u51cf\u5c11\u7535\u6e90\u7ba1\u7406<\/u>\u90e8\u5206\u7684\u5360\u677f\u7a7a\u95f4\u3002<\/p>\n

 <\/p>\n

\u6700\u4f20\u7edf\u548c\u6700\u5e38\u89c1\u7684\u975e\u9694\u79bb\u5f0fDC-DC\u7535\u6e90\u6a21\u5757\u4ecd\u662f\u5355\u5217\u76f4\u63d2(SiP)\u5c01\u88c5\u3002\u8fd9\u4e9b\u5f00\u653e\u6846\u67b6\u7684\u89e3\u51b3\u65b9\u6848\u7684\u786e\u5728\u51cf\u5c11\u8bbe\u8ba1\u590d\u6742\u6027\u65b9\u9762\u53d6\u5f97\u4e86\u8fdb\u5c55\u3002\u7136\u800c\uff0c\u6700\u7b80\u5355\u7684\u662f\u5728\u5370\u5237\u7535\u8def\u677f\u4e0a\u4f7f\u7528\u6807\u51c6\u5c01\u88c5\u7684\u7ec4\u4ef6\u3002<\/p>\n

011<\/p>\n

DCDC\u7535\u6e90\u8f6c\u6362\u65b9\u6848\u7684\u9009\u62e9\u6ce8\u610f\u4e8b\u9879<\/strong><\/p>\n

\u672c\u6761\u91d1\u5f8b\u4e5f\u662f\u672c\u6587\u7684\u603b\u7ed3\uff0c\u5f88\u91cd\u8981\u3002\u672c\u6587\u8fd9\u91cc\u4e3b\u8981\u5927\u81f4\u4ecb\u7ecd\u4e86DCDC\u7535\u6e90\u8f6c\u6362\u7684\u7a33\u538b\u7ba1\u7a33\u538b\u3001\u7ebf\u6027(\u6a21\u62df)\u7a33\u538b\u3001DCDC\u5f00\u5173\u578b\u7a33\u538b\u4e09\u79cd\u7535\u8def\u6a21\u5f0f\u7684\u51e0\u79cd\u5e38\u7528\u7684\u8bbe\u8ba1\u65b9\u6cd5\u65b9\u6848\u3002<\/p>\n

\u2460\u9700\u8981\u6ce8\u610f\u7684\u662f\u7a33\u538b\u7ba1\u7a33\u538b\u7535\u8def\u4e0d\u80fd\u505a\u7535\u6e90\u4f7f\u7528\uff0c\u53ea\u80fd\u7528\u4e8e\u6ca1\u6709\u529f\u7387\u8981\u6c42\u7684\u82af\u7247\u4f9b\u7535\uff1b<\/p>\n

\u2461\u7ebf\u6027\u7a33\u538b\u7535\u8def\u7535\u8def\u7ed3\u6784\u7b80\u5355\uff0c\u4f46\u7531\u4e8e\u8f6c\u5316\u6548\u7387\u4f4e\uff0c\u56e0\u6b64\u53ea\u80fd\u7528\u4e8e\u5c0f\u529f\u7387\u7a33\u538b\u7535\u6e90\u4e2d\uff1b<\/p>\n

\u2462\u5f00\u5173\u578b\u7a33\u538b\u7535\u8def\u8f6c\u5316\u6548\u7387\u9ad8\uff0c\u53ef\u4ee5\u5e94\u7528\u5728\u5927\u529f\u7387\u573a\u5408\uff0c\u4f46\u5176\u5c40\u9650\u6027\u5728\u7535\u8def\u7ed3\u6784\u76f8\u5bf9\u590d\u6742(\u5c24\u5176\u662f\u5927\u529f\u7387\u7535\u8def)\uff0c\u4e0d\u5229\u4e8e\u5c0f\u578b\u5316\u3002\u56e0\u6b64\u5728\u8bbe\u8ba1\u8fc7\u7a0b\u4e2d\uff0c\u53ef\u6839\u636e\u5b9e\u9645\u9700\u8981\u9009\u62e9\u5408\u9002\u7684\u8bbe\u8ba1\u65b9\u6848\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u641e\u5b9aDC-DC\u7535\u6e90\u8f6c\u6362\u7535\u8def\u8bbe\u8ba1\u65b9\u6848\u768411\u4e2a\u9ec4\u91d1\u5b9a\u5f8b\u3002 \u641e\u5d4c\u5165\u5f0f\u7684\u5de5\u7a0b\u5e08\u4eec\u5f80\u5f80\u628a\u5355\u7247\u673a\u3001ARM\u3001DSP\u3001FPGA […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[21],"tags":[],"_links":{"self":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts\/16020"}],"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=16020"}],"version-history":[{"count":1,"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts\/16020\/revisions"}],"predecessor-version":[{"id":16025,"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts\/16020\/revisions\/16025"}],"wp:attachment":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=16020"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=16020"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=16020"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}