Input voltage refers to the amount of electric power that is required by a device or system to function properly. It is the level of electrical energy that is provided to the device to power it up. Full definition
It comes with some great safety features, too, like short - circuit and input voltage protections. (geekwrapped.com)
In tests, the team found that its creations were very strong with even a mild input voltage. (newatlas.com)
One of the distinguishing features of transistors is inclusion of an insulated terminal called a «gate» whose input voltage determines whether the transistor will conduct electricity or not. (sciencedaily.com)