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TPS74801: What's reliability impact under aggressive thermal condition.

Part Number: TPS74801

Hi Expert,

Customer use TPS74801 for 32G UDIMM application, during operation, they measure the Tj peak value is 124.28C.

the device recommend operation TEMP is -40 to 125 degree, customer would to know that have any reliability concern under this condition. could you help to comments here?

Regards,

Mark

  • Hello Mark,

                       If the customer is certain that the junction temperature is less than 125ºC, they should not theoretically have any reliability issues. I would however recommend at least a 5ºC margin keeping measurement inaccuracies in mind. Thanks!

    Regards,

    Srikanth