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CT.TSC
LM27761、LM2775、LM2757等许多都可以用。选个心仪的即可。
这是这类产品链接：http://www.ti.com.cn/zh-cn/power-management/non-isolated-dc-dc-switching-regulators/charge-pump-inductorless/products.html
TI大侠，建议看下楼上贴的三款产品；哪款不能输出伏电压？
