The ULN2003AIPWR is a high-voltage, high-current Darlington transistor array. It is designed to be used in applications such as relay drivers, hammer drivers, lamp drivers, display drivers (LED and gas discharge), line drivers, and logic buffers. The ULN2003AIPWR consists of seven NPN Darlington pairs that feature high-voltage outputs with common-cathode clamp diodes for switching inductive loads.
Output Voltage: 50V
Output Current: 500mA
Input Voltage: 30V
Continuous Collector Current: 500mA
Seven Darlingtons per package
Output Clamp Diodes
Inputs Compatible with TTL or CMOS
ULN2003AIPWR has a 2.7-kΩ series base resistor for each Darlington pair
Applications include relay, hammer, lamp and display drivers
The ULN2003AIPWR is capable of handling higher current loads than most standard logic outputs. Its clamp diodes can handle inductive loads. The input and output pins are designed to be compatible with TTL and CMOS logic levels. This device is known for its robust performance and reliability.
Industrial automation
Consumer electronics
Automotive industry
Robotics
LED displays
The ULN2003AIPWR is easy to use in various applications. It is important to ensure proper heat sinking and electrical isolation, especially when driving inductive loads. The datasheet should be consulted for specific design guidelines and application notes.
The ULN2003AIPWR from Texas Instruments is a versatile and reliable component suitable for a wide range of applications. Its high-voltage, high-current capabilities, along with integrated clamp diodes, make it an ideal choice for driving inductive loads. Its ease of use and compatibility with TTL and CMOS logic levels further enhance its appeal to designers and engineers.
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