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LMR33620: LMR33620ARNX output load regulation

Part Number: LMR33620
Other Parts Discussed in Thread: LMR33630ARNXEVM, , LMZM23600, TPS560430, TPS57140-Q1


My customer used LMR33630ARNXEVM to modify for 3.3V/0.5A and 5V/0.5A design.

Customer reduces the output capacitance only used one 22uF because of the PCBA space and price, and they found the output voltage regulation was >1% for 0A to 0.5A load regulation, but our competitor MP9994 didn't have this problem and they only used 10uF for output capacitance.

Does there have any solution for reduce this issue? Does TI has any recommend ICs for input voltage between 9~36V, and <1% load regulation? Thanks.