LM2459 Enable to Vin

Is it possible to ty the Vin directly to the enable pin.
50V.

Best regards,

Hi,

I’m assuming you mean MP2459, the 55V/0.5A rated buck converter. Unfortunately, the enable pin is limited to 6V. Please take a look at the Absolute Maximum Ratings on page 2 of the datasheet.
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Thanks,
Cindy