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Do we need to add a second-stage filter to TPS(TPS82150,TPS82140 TPSM8282x )integrated inductor modules?

Other Parts Discussed in Thread: TPS62913, TPS62912

Hi team,

We are using TPS and TPSM integrated inductor modules on the FPGA side(an RF product).some rails are taking low current, its switching frequency is low(below1Mhz). Do we need to add a second stage filter for those rails?. If required, please tell me how it is possible.