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TPS61322: diode RC snubber

Part Number: TPS61322

Hi team,

Our customers are using TPS613221A, their board cannot pass EMC test with a recommended 5ohm/120pF snubber, while can pass EMC test with a 22ohm / 2200pF snubber. Is it OK to change the values of snubber? 

P.S. Work conditions: Vin=3.6V, Vout=5V, Iout=800mA, L=4.7uH, Cdiode=75pF

Thanks,

Miranda