The LM2574M-15/NOPB is a versatile and efficient step-down voltage regulator designed and manufactured by Texas Instruments. This regulator is a part of the LM2574 series, which is renowned for its simplicity and high-performance in power conversion applications. The device is capable of driving a 0.5A load with excellent line and load regulation.

Key Features

• Output Voltage: The LM2574M-15/NOPB provides a fixed output voltage of 15V, which is ideal for a wide range of applications that require a stable and regulated power supply.
• Efficiency: With a typical efficiency of up to 77%, this regulator ensures minimal power loss during voltage conversion, making it suitable for battery-powered devices.
• Switching Frequency: It operates at a 52 kHz fixed frequency switching which allows for a balance between efficiency and the size of external components.
• Thermal Shutdown and Current Limit: Built-in thermal shutdown and current limit protections safeguard the device and the application circuit from damage due to overheating and overcurrent conditions.
• Simplicity: The LM2574M-15/NOPB is designed for easy implementation, requiring a minimal number of external components, which can help reduce the overall design complexity and system cost.

Applications

The LM2574M-15/NOPB is suitable for a variety of applications, including:

• Simple high-efficiency step-down (buck) regulators
• Efficient pre-regulator for linear regulators
• On-card switching regulators
• Positive to negative converter (Buck-Boost)

Package and Quality

The device is available in a 14-lead SOIC (Small-Outline Integrated Circuit) package that is lead-free and RoHS compliant. The NOPB designation indicates that it is "Not Containing Lead and Banned Substances," ensuring that it meets current environmental standards for electronic components. Texas Instruments' commitment to quality ensures that the LM2574M-15/NOPB provides reliable performance for critical applications.