The ULN2075B, crafted by the renowned semiconductor manufacturer STMicroelectronics, stands as a high-voltage, high-current quad Darlington switch designed to interface between low-level logic circuitry and multiple peripheral power loads. This integrated circuit is part of the ULN200x series, which are known for their reliability and versatility in various applications.

Key Features

• Output Current (single output): 1.5 A
• Output Voltage: 50 V
• Input Compatibility: Standard DTL, TTL Logic, PMOS, and CMOS
• Mounting Type: Through Hole
• Package / Case: 16-DIP (0.300", 7.62mm)

Applications

The ULN2075B is adept at driving a wide array of loads including solenoids, relays, DC motors, LED displays, filament lamps, and thermal print heads. It is highly suitable for applications that require interfacing between computer logic levels and power devices.

Performance and Protection

Each of the four output stages in the ULN2075B includes a Darlington pair with high-voltage output protection diodes. These diodes are integrated to protect the device from inductive transients, making it an excellent choice for driving inductive loads. Additionally, the ULN2075B can handle a continuous collector current of up to 1.5 A per channel, with peak current handling capability of 2 A per channel, making it robust for high-power applications.

Design and Ease of Use

The 16-DIP package ensures ease of integration into a variety of designs, while its through-hole mounting design allows for sturdy attachment to circuit boards. The ULN2075B is designed to be directly connected to microcontrollers and other logic devices, simplifying the circuit design process by reducing the need for additional level-shifting hardware.

Quality and Reliability

STMicroelectronics' commitment to quality and reliability is reflected in the ULN2075B. This component is manufactured to meet high standards, ensuring stable performance in a broad range of operating conditions. Whether for prototyping or mass production, the ULN2075B is a reliable choice for designers looking to incorporate a robust Darlington switch into their electronic projects.