onsemi

LM2575T-ADJ

LM2575T-ADJ Description

The LM2575T-ADJ is a highly efficient, adjustable DC switching voltage regulator designed by onsemi. This device is part of the DC Switching Voltage Regulators category and is known for its robust performance and versatility. The LM2575T-ADJ operates with an input voltage range of 4.75V to 40V, making it suitable for a wide variety of power supply applications. It delivers a maximum output current of 1A and features an adjustable output voltage starting from 1.23V up to 37V, providing flexibility in voltage regulation. The regulator employs a buck topology and operates at a switching frequency of 52kHz, ensuring efficient power conversion. The LM2575T-ADJ is housed in a through-hole TO220-5 package, which is ideal for applications requiring high power dissipation and easy integration into printed circuit boards. Despite its obsolescence status, the LM2575T-ADJ remains a popular choice due to its reliability and performance.

LM2575T-ADJ Features

• Adjustable Output Voltage: The LM2575T-ADJ offers an adjustable output voltage range from 1.23V to 37V, providing flexibility to meet various power requirements.
• Wide Input Voltage Range: With an input voltage range of 4.75V to 40V, this regulator is suitable for applications with varying input voltage levels.
• High Output Current: Capable of delivering up to 1A of output current, the LM2575T-ADJ can support a wide range of power-hungry devices.
• Efficient Buck Topology: Utilizing a buck topology, the regulator ensures high efficiency and minimal power loss, making it ideal for applications where energy efficiency is crucial.
• Switching Frequency: Operating at a switching frequency of 52kHz, the LM2575T-ADJ balances efficiency and performance, ensuring stable voltage regulation.
• Through-Hole Packaging: The TO220-5 package allows for easy integration into PCBs and provides excellent thermal performance, making it suitable for high-power applications.
• Positive Output Configuration: The regulator features a positive output configuration, simplifying circuit design and ensuring compatibility with most electronic systems.
• Moisture Sensitivity Level: With an MSL rating of 1 (Unlimited), the LM2575T-ADJ is suitable for use in environments with varying humidity levels, ensuring reliability and durability.
• REACH Compliance: The LM2575T-ADJ is REACH unaffected, ensuring compliance with environmental and safety regulations.

LM2575T-ADJ Applications

The LM2575T-ADJ is ideal for a variety of applications due to its wide input voltage range, adjustable output voltage, and high output current. Some specific use cases include:

• Power Supply Modules: The regulator's wide input voltage range and high output current make it suitable for power supply modules in various electronic devices.
• Industrial Control Systems: The robust performance and adjustable output voltage of the LM2575T-ADJ make it ideal for industrial control systems requiring precise voltage regulation.
• Telecommunications Equipment: The efficient buck topology and high switching frequency ensure stable power delivery, making the regulator suitable for telecommunications equipment.
• Automotive Electronics: The LM2575T-ADJ's ability to handle a wide range of input voltages and provide stable output makes it suitable for automotive applications where voltage fluctuations are common.
• Consumer Electronics: The regulator's flexibility and efficiency make it a good fit for consumer electronics, ensuring reliable power supply and performance.

Conclusion of LM2575T-ADJ

The LM2575T-ADJ is a versatile and efficient DC switching voltage regulator that offers adjustable output voltage, wide input voltage range, and high output current. Despite being marked as obsolete, its robust performance and reliability continue to make it a popular choice in the electronics industry. The regulator's buck topology, high switching frequency, and through-hole packaging ensure efficient power conversion and easy integration into various applications. Whether used in power supply modules, industrial control systems, telecommunications equipment, automotive electronics, or consumer electronics, the LM2575T-ADJ provides stable and efficient voltage regulation, making it a reliable component for a wide range of electronic systems.