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UC1843B-SP: Effect of Duty cycle and Vin on Single Event Effects

Furkan Fehmi Sefiloglu
Expert 3118 points
Part Number: UC1843B-SP

Hi Team,

Can you please check and advise with following request?

"

My question is about UC1843B-SP's Single-Event Effects Test report.
TI found SEL, SEB, and SET values in a given test condition on this piece's page.
Test results are shaped by this data.

In our design:

Duty cycle: 85%
Vin= will be +15V.

How will SEL, SEB and SET values change according to these values? We would be glad if you could help on the subject.

"

Thanks in advance

Best Regards

Furkan Sefiloglu

  • 0
    TI__Mastermind 27065 points

    Hey Furkan,

    While I wouldn't expect any changes in SEL/SEB due to the nature of the device, SET can vary for an overall system quite significantly based on different systems.

    Our system is detailed in the report in order to show what the full system looked like that we were testing.

    I wouldn't expect the behavior of the controller to change and the SET results should look similar, but your overall system my not have the same output filter or reaction to the controller SET.

    I don't have a way of predicting your SET results, my suggestion would be to simulate what your circuit does in reaction to similar SETs from the controller.

    Thanks,

    Daniel