电动车充电器中UC3842B各脚电压是多少？ 电动车充电器中UC3842B各脚电压是多少
\u7535\u52a8\u8f66\u5145\u7535\u5668\u4e2dUC3842B\u5404\u811a\u7535\u538b\u662f\u591a\u5c11\uff1f\u4e00\u822c\u4e3a10-30V\u4e4b\u95f4\u3002
7\u4e3a\u7535\u6e90\u811a\uff0c20v\u5c5e\u6b63\u5e38\u503c\u3002\u4e00\u822c\u60c5\u51b5\uff0c\u76f4\u63a5\u6362\u4e00\u4e2a3842\uff0c\u786e\u4fddmos\u6ca1\u6709\u51fb\u7a7f\uff0c\u65ad\u5f00\u6805\u6781\uff0c\u901a\u7535\uff0c\u4e07\u7528\u8868\u6d4b\u8bd53842\u76846\u811a\u6709\u6446\u52a8\u7684\u7535\u538b\u57fa\u672c\u5c31\u53ef\u4ee5\u4e86\u3002UC3842B\u5404\u811a\u5de5\u4f5c\u7535\u538b\u5982\u4e0b:
1\u811aCOMP-OUT\uff1a3.5V\uff1b2\u811a FB(-)IN\uff1a2.5V\uff1b3\u811a LSNS-IN\uff1a0.5mV\uff1b4\u811a RT/CT\uff1a2.4V\uff1b5\u811a GND\uff1a0V\uff1b6\u811a V-OUT\uff1a1.2V\uff1b7\u811a Vcc-IN\uff1a14V\uff1b8\u811a VREF-OUT\uff1a5V\u3002
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UC3842B\u82af\u7247\u5404\u5f15\u811a\u7684\u5b9a\u4e49:
1\u811a\uff1a\u662f\u8865\u507f\u811a\uff0c\u8bef\u5dee\u653e\u5927\u5668\u7684\u8f93\u51fa\u7aef\uff0c\u5916\u63a5\u963b\u5bb9\u5143\u4ef6\u7528\u4e8e\u6539\u5584\u8bef\u5dee\u653e\u5927\u5668\u7684\u589e\u76ca\u548c\u9891\u7387\u7279\u6027\uff1b
2\u811a\uff1a\u662f\u7535\u538b\u7248\u9988\u8f93\u5165\u7aef,\u6b64\u811a\u7535\u538b\u4e0e\u8bef\u5dee\u653e\u5927\u5668\u540c\u76f8\u7aef\u76842.5V\u57fa\u51c6\u7535\u538b\u8fdb\u884c\u6bd4\u8f83,\u4ea7\u751f\u8bef\u5dee\u7535\u538b,\u4ece\u800c\u63a7\u5236\u8109\u51b2\u5bbd\u5ea6\uff1b
3\u811a\uff1a\u7535\u6d41\u53d6\u6837\u8f93\u5165\u7aef\uff0c\u5f53\u68c0\u6d4b\u7535\u538b\u8d85\u8fc71V\u65f6\u7f29\u5c0f\u8109\u51b2\u5bbd\u5ea6 \u4f7f\u7535\u6e90\u5904\u4e8e\u95f4\u6b47\u5de5\u4f5c\u72b6\u6001\uff1b
4\u811a\uff1a\u5b9a\u65f6\u7aef\uff0c\u5185\u90e8\u632f\u8361\u5668\u7684\u5de5\u4f5c\u9891\u7387\u7531\u5916\u63a5\u7684\u963b\u5bb9\u65f6\u95f4\u5e38\u6570\u51b3\u5b9a\uff0cf=1.72/(RTxCT)\uff1b
6\u811a\uff1a\u63a8\u633d\u8f93\u51fa\u7aef\uff0c\u5185\u90e8\u4e3a\u56fe\u817e\u67f1\u5f0f\uff0c\u5347\u3001\u4e0b\u964d\u65f6\u95f4\u4ec5\u4e3a50ns \u9a71\u52a8\u80fd\u529b\u4e3a+1A\uff1b
7\u811a\uff1aVCC,\u5373\u4f9b\u7535\u7535\u6e90\uff0c\u7535\u538b\u8303\u56f410V~ 30V\u4ee5\u5185\uff1b
8\u811a\uff1a5V\u57fa\u51c6\u7535\u538b\u8f93\u51fa\u7aef\uff0c\u5177\u670950mA\u7684\u5e26\u8f7d\u80fd\u529b\u3002
8\u811a\u662f5V\u57fa\u51c6\u7535\u538b\u8f93\u51fa\uff0c\u5e94\u4e3a5V\uff0c7\u811a\u662f\u7535\u6e90\u811a\uff0c\u542f\u52a8\u8981\u8fbe\u523017V\u4ee5\u4e0a\uff0c\u6b63\u5e38\u5de5\u4f5c\u572811V\u2014\u201436V\u90fd\u662f\u53ef\u4ee5\u7684\uff0c5\u811a\u63a5\u5730\u3002\u5176\u4ed6\u811a\u7684\u7535\u538b\u90fd\u662f\u6839\u636e\u5de5\u4f5c\u60c5\u51b5\u53d8\u5316\u7684\u6216\u662f\u8109\u51b2\uff0c\u91cf\u5b83\u4eec\u7684\u7535\u538b\u503c\u6ca1\u6709\u592a\u5927\u610f\u4e49\u3002
图片回答，
3842芯片的引角工作电压供参考谢谢
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