The ULN2003AN is a high voltage, high current Darlington array driver. It is commonly used to drive a wide range of higher power devices such as relays, solenoids, bipolar stepping motors and more. The ULN2003AN is easy to use with its TTL/CMOS logic input and can be easily interfaced with a variety of microcontrollers. With its ability to handle up to 500 mA of continuous current per channel and a voltage capability of 50 V, the ULN2003AN provides a robust and reliable solution for driving various loads in industrial, automotive, and consumer applications. Its built-in suppression diodes provide protection for inductive loads, making it a versatile and efficient driver for a wide range of applications. Overall, the ULN2003AN is a versatile, high voltage, high current driver with easy interfacing, making it an ideal choice for controlling a variety of loads in different applications.