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Driver

Piece of electronic equipment that transforms the main supply voltage into a lower DC voltage that is appropriate for LED lighting.

In electronics, a driver is a circuit or component used to control another circuit or component, such as a high-power transistor, liquid crystal display (LCD), and numerous others.

They are usually used to regulate the current flowing through a circuit or to control other factors such as other components, some devices in the circuit. The term is often used, for example, for a specialized integrated circuit that controls high-power switches in switched-mode power converters. An amplifier can also be considered a driver for loudspeakers, or a voltage regulator that keeps an attached component operating within a broad range of input voltages.

Typically the driver stage(s) of a circuit requires different characteristics to other circuit stages. For example in a transistor power amplifier circuit, typically the driver circuit requires current gain, often the ability to discharge the following transistor bases rapidly, and low output impedance to avoid or minimize distortion.

Key Terms

circuit
component
definition
driver
electronics
example
high power transistor
lcd
liquid crystal display
usage

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Driver
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Last modified on December 4 2019
Content adapted from Wikipedia
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