Texas Instruments

LM25574MT  

DC Switching Voltage Regulators

LM25574MT Description

The LM25574MT is a high-performance buck regulator from Texas Instruments, designed to provide a stable and efficient power conversion solution. This IC is part of the SIMPLE SWITCHER® series, known for its ease of use and robust performance. The LM25574MT features an adjustable output voltage, making it highly versatile for a wide range of applications. It supports an input voltage range from 6V to 42V, ensuring compatibility with various power sources. The regulator is capable of delivering up to 500mA of output current, making it suitable for low to medium power applications. Its output configuration is positive, and it operates within a switching frequency range of 50kHz to 1MHz, allowing for optimization of efficiency and performance. The LM25574MT is housed in a 16-lead TSSOP package, which is ideal for surface mount applications and provides a compact footprint.

LM25574MT Features

• Adjustable Output Voltage: The LM25574MT offers an adjustable output voltage range from 1.225V to 40V, providing flexibility to meet specific application requirements.
• Wide Input Voltage Range: With an input voltage range of 6V to 42V, the regulator can operate efficiently across a broad spectrum of input conditions.
• High Efficiency: The buck topology ensures high efficiency, making the LM25574MT suitable for applications where power consumption is a critical factor.
• Frequency Flexibility: The switching frequency can be adjusted between 50kHz and 1MHz, allowing designers to optimize for size, efficiency, and performance.
• Surface Mount Package: The 16-lead TSSOP package is ideal for surface mount applications, providing a compact and reliable solution.
• Moisture Sensitivity Level: The MSL rating of 1 (Unlimited) ensures that the device is suitable for use in various environmental conditions without the risk of moisture-related issues.
• REACH Compliance: The LM25574MT is REACH unaffected, ensuring compliance with environmental and safety regulations.
• Obsolete Status: While the product is marked as obsolete, it remains a reliable choice for legacy systems and applications where its specific features are required.

LM25574MT Applications

The LM25574MT is well-suited for a variety of applications due to its adjustable output voltage, wide input voltage range, and high efficiency. Some specific use cases include:

• Industrial Control Systems: The wide input voltage range and adjustable output make it ideal for powering various components in industrial control systems.
• Telecommunications: The LM25574MT can be used to power low to medium power devices in telecommunications infrastructure, ensuring stable and efficient power delivery.
• Consumer Electronics: In consumer electronics, the regulator can provide power to devices that require a stable and adjustable voltage source.
• Automotive Electronics: The robustness and wide input voltage range make it suitable for automotive applications where power sources can vary significantly.

Conclusion of LM25574MT

The LM25574MT from Texas Instruments is a versatile and efficient buck regulator that offers adjustable output voltage, a wide input voltage range, and high efficiency. Its compact 16-lead TSSOP package and surface mount compatibility make it suitable for a variety of applications, including industrial control systems, telecommunications, consumer electronics, and automotive electronics. Despite its obsolete status, the LM25574MT remains a reliable choice for applications where its specific features are required. Its compliance with REACH regulations and moisture sensitivity level of 1 further enhance its suitability for diverse environments.

LM25574MT Documents

Download datasheets and manufacturer documentation for LM25574MT

Datasheets :

LM25574MT      

Reference Design Library :

LM25574EVAL: 5V @ 500mA; 7 ~ 42 V in, 82%      

Design Resources :

LM25574 Design with WEBENCH® Power Designer      

PCN Obsolescence/ EOL :

DK OBS NOTICE      

PCN Design/Specification :

Cu Wire 21/Mar/2017