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LP8864-Q1: LP8866-Q1 replacement

Part Number: LP8864-Q1
Other Parts Discussed in Thread: LP8866-Q1

Hi Expert,

From the datasheet and comparison table, the only difference between LP8866-Q1 and LP8864-Q1 is output channel, correct? 

Customer only need 4 channels output, so LP8864-Q1 is more suitable. Can we change to LP8866-Q1 instead without any schematic and layout changing in case if LP8864-Q1 face some shortage? 

Thanks!

Ethan Wen