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LM22678: We have design Switcher using LM22678J-5 V For 5A we need help for Switcher to remove output voltage noise

Part Number: LM22678

  this is my schematic of lm22678 in which i get output voltage with noise .

   this is top and bottom layer of my design receptively .

   and this is dso result of switcher output voltage. please give some solution to reduce noise.