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LM5000 to realize such a circuit:

Li hao
Prodigy 10 points
Other Parts Discussed in Thread: LM5000

I would like to use LM5000 to realize such a circuit: the input is 6-12v, the output should be -65v, and the output current will not exceed 60ma. Can my colleagues give the reference circuit?

Thank you very much！

  • 0
    TI__Mastermind 34231 points
    Hi,

    Do you mean you want to get a inverted output voltage?
    Boost converter/controller can be used to generate positive output voltage from negative input supply in buck-boost configuration.
    The voltage across the internal switch is VIN and -VOUT. So in your application, the maximum voltage on this switch is 77V. lm5000 only has 80V internal switch.
    Regards,
    Zack