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DDC2256AEVM: DDC2256,TPS63700

chunjie hu
Prodigy 10 points
Part Number: DDC2256AEVM

hi，all；

     When using the DDC2256A-demo board, there is a problem encountered in MHR027A_SCH , the situation is probably like this: when the E187 jumper cap is added, the overall noise of the power supply (P5V) is very large; What causes this?