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要求3.3v输出
输入：12V最好，或者小于10V
电源纹波要小，给SDI的芯片LMH0030供电
500MA以上
楼主可以考虑一下 LP2960, LM2937-3.3, TLV1117-3.3等方案
楼主也可以根据实际应用在官网查看更多的方案
- http://www.ti.com.cn/paramsearch/cn/docs/parametricsearch.tsp?family=analog&familyId=659&uiTemplateId=NODE_STRY_PGE_T&virtualTreeURL=D_ATTRIBUTE_3001166|EQ|Yes&filter=a1166|EQ|Yes
