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LM5060: LM5060 enable recommendations

Barrett Bryan
Intellectual 1010 points
Part Number: LM5060

The datasheet recommends 0-65V on the enable pin of LM5060. What does the input protection for this pin look like? I'm trying to drive this with a 0-20V digital output which isn't capable of sourcing much current. What's the recommended connection for this (direct, series resistor, zener, etc)?

  • 0
    TI__Guru** 105361 points

    Hi Bryan,

    EN pin can source a max bias current of 8 uA. Since, it is rated to 65V, the digital output can be connected directly to the EN pin. To be super safe we can consider of resistor divider (ratio 4:1) from the digital output.

    BR, Rakesh