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UCC28740-Q1: Operating Temperature range of UCC28740QDRQ1

Part Number: UCC28740-Q1

Tool/software:

Hi team,

We are planning to use this Part UCC28740QDRQ1 for one of our applications of flyback converter application which has to be operated over a temperature range of -55 to 125degC. The datasheet provides absolute maximum temperature range of -55 to +150degC, but recommended operating temperature suggests -40 to +125degC. Can you please let us know whether the part has any test results for the range -55 to 125degC. If not, let us know is there any plan on your roadmap to test this part for wide temperature range. Or is there any possibility of upscreening this part on application basis.

  • Hi Pavan,

     UCC28740-Q1 recommended Tj is -40C<Tj<125C and the data available is in that range. Out of that range there is not data available. The max absolute values for Tj set the limits before get damage. I am not aware of any plan to test this device on that temperature range.

    Thank you