ULN2004AFWG,N,E Discrete Semiconductor Products

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The ULN2004AFWG,N,E is a versatile driver, which can be found in a multitude of different types of integrated circuits and applications. The driver works by connecting two or more transistors together in an array, forming a single transistor with multiple channels.

Specifically, the ULN2004AFWG,N,E is an array of four NPN transistors, specifically designed to drive high power, sinking load. It is commonly used for relays, lamps, motors and other high current, low voltage applications. It is also capable of driving a unipolar stepper motor or a low power bipolar stepper motor.

The ULN2004AFWG,N,E is controlled with a single control source, which consists of a digital, complementary pair of logic signals. These logic signals are used as inputs to activate the relevant channels on the array, allowing them to sink or source current, which is determined by the logic level. As a result, this allows the ULN2004AFWG,N,E to be used in multiple applications, such as LED displays, relays, lamps and motors.

In terms of operation, the ULN2004AFWG,N,E operates in two different modes, namely the "sinking mode" and the "common-collector mode". When in sinking mode, the array simply functions as a NPN transistor, sinking the load current from the load. When in common-collector mode, the array functions as an emitter-follower, supplying current to the load, thus supplying more power than the NPN transistor would in sinking mode. This allows for higher load power, making it ideal for applications such as lamps, motors and other high current, low voltage applications.

The ULN2004AFWG,N,E is a great solution for many applications, particularly ones that require high current and low voltage. It is capable of driving a wide range of loads, allowing it to be used in multiple applications. As a result, this versatile array makes an excellent addition to any electronic engineering project.

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