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TPS5420: replacing with TPS54240 or TPS54202

Part Number: TPS5420
Other Parts Discussed in Thread: , TPS54240

I am currently using the TPS5420 in and automotive app to regulate battery voltage (9-15volts) to 5 volt. I need ~1A capacity.   

I need lower quiescent current so looking at TPS54240 or TPS54202.    If I do not need extra features of the TPS54240,  is there any other reason not to use the TPS54202 (smaller and cheaper) to replace TPS5420?