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LM5013-Q1: Filter Design for Buck Converter

Part Number: LM5013-Q1

Tool/software:

Hi,

I am planning on using three LM5013-Q1 buck converters. Two will be used to go from 24V to 20V and one will be used to go from 24V to 5V. Combined current consumption of all three downconverters will be 3A. 

I am planning on using one filter for the 24V input to all three buck converters. I am restricted by board size and don't have enough room to have a filter for each buck converter. 


My question is if having only one filter for all three buck converter's 24V input will be okay or if that will be an issue? Thank you in advanced!