I have an application where I want to turn on a bipolar +/-15 volt supply from 3.3V. The supply already exists, I am disconnecting a part of a circuit to save power during an idle state.
Integrated load switches comprised of P channel and N channel enhancement mode FETs are readily available for positive supplies.
I also know how to achieve a negative voltage version with FETs using discrete components.
The parts are not expensive, but there are quite a few of them.
Does anyone know of an inexpensive integrated solution? Ideally this would be an 8 pin part with a logic level enable and both positive and negative supply switching. In my case, I don't need to switch more than 100mA. Alternatively, I might consider just a negative voltage version (combined with a standard load switch).