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请问一下，TCIEVMK2X (TCI6638 EVM)开发板上的CVDD核电压为啥用两个UCD74120并联供电？
开发板上的设计比较老，建议参考K2硬件设计手册 2.2.1.3 Supported Power Supply Solutions 中推荐的方案：LM10011+TPS56121
http://www.ti.com/tool/pmp7256
