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LM2576 Frequency Shift

Jaden Ghylin102047
Expert 1140 points
Other Parts Discussed in Thread: LM2576

LM2576

Question regarding the LM2576HV-ADJ, running at 52Khz.

Getting problems when the frequency varies with temp and hits the resonant of another part in the system.

Is there a worry about these parts frequency shifting with age?

Are the parts tested for frequency per lot for the +-10% oscillator frequency?

-Jaden

  • 0
    TI__Genius 16025 points

    Hi Jaden,

    We have received your request. We will get back to you with an answer shortly.

    Thanks,

    Anston

  • 0
    TI__Genius 16025 points

    Hi Jaden,

    Because the oscillator frequency tolerance appears in the Electrical characteristics table, we are sure this is a tested parameter. We do not have any data for drift over time. In your application what is the input capacitor configuration on this stage? Or if you could share the complete schematic that would be best. If you are application is confidential or needs to be treated as such, feel free to drop us an email with the schematic and layout at [a*n*s*t*o*n[at]ti[dot]com] (please remove *).

    Thanks,

    Anston