He's using them at 15 volts. The 4.5V minimum spec you are reading is
for the output side, not the logic side. There is no logic supply on
them! This is what they are meant to do. Take another look at the datasheet.

Cheerful regards,

Bob

Mohit (Lists) wrote:
>  > I use the TC4469. It is meant for exactly your type of application.
> Unfortunately these work only down to 4.5V.
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