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通过丝印怎么查器件的型号?

最近手有块板卡,上面一个电源芯片,应该是个LDO之类的,丝印是“R103G5049zfeye”;封装为SOT23-6,问了很多人都说是TI的芯片,不知道具体型号是多少。请帮忙查一下,谢谢。