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DLPA2005: the squeak noise of inductor (DLPA2005 peripheral)

Part Number: DLPA2005
Other Parts Discussed in Thread: DLPC3430,


         When  DLPC3430, DLPA2005 works, the inductor (2.2uH) makes a   squeak  noise, the SCH is the same as reference design.  change the indctor, issue still exist .