Microchip Technology

LM2576WU-TR  

DC Switching Voltage Regulators

LM2576WU-TR Description

The LM2576WU-TR is a high-performance, adjustable voltage regulator designed by Microchip Technology, a leading manufacturer in the electronics industry. This device is part of the Power Management Integrated Circuit (PMIC) category and is specifically designed for applications requiring a robust and efficient power supply solution. The LM2576WU-TR features an adjustable output voltage ranging from 1.23V to 37V, making it highly versatile for various electronic systems. It operates with an input voltage range of 4V to 40V and can deliver a maximum output current of 3A, ensuring reliable power delivery even under demanding conditions.

The LM2576WU-TR employs a buck topology, which is known for its high efficiency and compact design. The regulator operates at a switching frequency of 52kHz, providing a balance between efficiency and electromagnetic interference (EMI) considerations. The device is packaged in a TO263-5 surface-mount package, which is ideal for space-constrained applications and facilitates easy integration into modern PCB designs.

LM2576WU-TR Features

• Adjustable Output Voltage: The LM2576WU-TR offers an adjustable output voltage range from 1.23V to 37V, providing flexibility for a wide range of applications.
• Wide Input Voltage Range: With an input voltage range of 4V to 40V, this regulator can accommodate various power sources, enhancing its versatility.
• High Output Current: Capable of delivering up to 3A of output current, the LM2576WU-TR ensures stable power supply for demanding applications.
• Buck Topology: Utilizing a buck topology, the regulator achieves high efficiency and compact size, making it suitable for space-constrained designs.
• Surface-Mount Packaging: The TO263-5 package type facilitates easy integration into modern PCB designs, ensuring reliable mechanical and electrical connections.
• Compliance and Reliability: The LM2576WU-TR is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards. Additionally, it has a Moisture Sensitivity Level (MSL) of 3, allowing for 168 hours of exposure before reflow soldering.
• Switching Frequency: Operating at 52kHz, the regulator balances efficiency and EMI, making it suitable for a variety of applications without compromising performance.

LM2576WU-TR Applications

The LM2576WU-TR is ideal for a variety of applications where a reliable and efficient power supply is crucial. Some specific use cases include:

• Consumer Electronics: Ideal for powering devices such as smartphones, tablets, and portable gaming consoles, where compact size and high efficiency are essential.
• Industrial Equipment: Suitable for industrial control systems, automation equipment, and sensors that require stable power supply and high reliability.
• Telecommunications: Can be used in base stations, routers, and other telecom equipment where high efficiency and low noise are critical.
• Automotive Electronics: Applicable in automotive applications such as infotainment systems, advanced driver-assistance systems (ADAS), and electric vehicle (EV) components.
• Medical Devices: Suitable for medical equipment such as diagnostic devices, monitoring systems, and portable medical instruments where reliability and efficiency are paramount.

Conclusion of LM2576WU-TR

The LM2576WU-TR from Microchip Technology stands out as a versatile and high-performance power management solution. Its adjustable output voltage, wide input voltage range, and high output current make it suitable for a broad range of applications. The buck topology and surface-mount packaging further enhance its efficiency and ease of integration. Compliance with environmental and safety standards ensures its suitability for modern electronics manufacturing. Whether in consumer electronics, industrial equipment, telecommunications, automotive, or medical devices, the LM2576WU-TR offers a reliable and efficient power supply solution that meets the demands of today's advanced electronic systems.

LM2576WU-TR Documents

Download datasheets and manufacturer documentation for LM2576WU-TR

PCN Part Number :

Micrel to Microchip PN Changes 7/Oct/2015      

PCN Assembly/Origin :

Wafer Size Update 02/Sep/2015      

Datasheets :

LM2576      

PCN Packaging :

MBB/Label Chgs 16/Nov/2018      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH