Microchip Technology

LM2575BU  

DC Switching Voltage Regulators

LM2575BU Description

The LM2575BU is a high-performance, adjustable voltage regulator designed for a wide range of power management applications. Manufactured by Microchip Technology, this IC regulator features a buck topology, offering a robust and efficient solution for converting input voltages to a stable output voltage. The LM2575BU supports an input voltage range from 4V to 40V, making it suitable for various power sources, including batteries and unregulated power supplies. It provides a maximum output current of 1A, ensuring reliable power delivery to demanding loads.

The LM2575BU is designed with an adjustable output voltage configuration, allowing users to set the output voltage between 1.23V and 37V. This flexibility makes it ideal for applications requiring precise voltage regulation. The regulator operates at a switching frequency of 52kHz, which balances efficiency and component size, enabling compact and efficient power supply designs.

The LM2575BU is housed in a TO-263-5 package, which is suitable for surface-mount applications. This package type offers excellent thermal performance and mechanical robustness, making it ideal for high-density PCB layouts. The regulator is also REACH unaffected, ensuring compliance with environmental regulations.

LM2575BU Features

• Adjustable Output Voltage: The LM2575BU allows for an adjustable output voltage range from 1.23V to 37V, providing flexibility to meet specific application requirements.
• Wide Input Voltage Range: With an input voltage range of 4V to 40V, the regulator can handle a variety of power sources, enhancing its versatility.
• High Output Current: The regulator supports a maximum output current of 1A, ensuring stable power delivery to demanding loads.
• Buck Topology: The LM2575BU employs a buck topology, which is known for its high efficiency and compact design.
• 52kHz Switching Frequency: The regulator operates at a switching frequency of 52kHz, balancing efficiency and component size for compact power supply designs.
• Surface-Mount Package: The TO-263-5 package is ideal for surface-mount applications, offering excellent thermal performance and mechanical robustness.
• REACH Unaffected: The LM2575BU is REACH unaffected, ensuring compliance with environmental regulations and suitability for a wide range of applications.

LM2575BU Applications

The LM2575BU is well-suited for a variety of applications where precise voltage regulation and high efficiency are required. Some specific use cases include:

• Battery-Powered Devices: The wide input voltage range and adjustable output voltage make the LM2575BU ideal for battery-powered applications, where the input voltage can vary significantly.
• Industrial Control Systems: The regulator's robustness and high output current capability make it suitable for industrial control systems that require stable power delivery.
• Consumer Electronics: The compact TO-263-5 package and high efficiency make the LM2575BU a good fit for consumer electronics, where space and power efficiency are critical.
• Telecommunications: The regulator's wide input voltage range and high efficiency are beneficial for telecommunication equipment, which often requires reliable power management solutions.

Conclusion of LM2575BU

The LM2575BU is a versatile and high-performance voltage regulator that offers a range of features and benefits for power management applications. Its adjustable output voltage, wide input voltage range, and high output current make it suitable for a variety of applications, from battery-powered devices to industrial control systems. The regulator's buck topology and 52kHz switching frequency ensure high efficiency and compact design, while the TO-263-5 package provides excellent thermal performance and mechanical robustness. Although the LM2575BU is now obsolete, its unique features and advantages make it a reliable choice for engineers and designers seeking a robust power management solution.

LM2575BU Documents

Download datasheets and manufacturer documentation for LM2575BU

Datasheets :

LM2575      

PCN Packaging :

MBB/Label Chgs 16/Nov/2018      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH