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对于3.3V供电的MCU能不能使用LM1117把输入12V降压成3.3V?

Other Parts Discussed in Thread: LM1117, TPS562209

MCU设计时,总电源输入只有12V,MCU供电为3.3V,能不能直接使用LM1117来把12V降压到3.3V给MCU供电呢?

如上图所示,输入12V时貌似超过了线性输出的3.3V,去到5V范围了?如何解决?