Product Overview: LM2575SX-15/NOPB

The LM2575SX-15/NOPB is a highly efficient, step-down voltage regulator from Texas Instruments, designed to deliver a fixed output voltage of 15V with an output current up to 1A. The device operates over an input voltage range from 4V to 40V, making it suitable for a wide array of applications, from automotive to industrial systems.

This versatile regulator features a simple external circuit, requiring minimal external components, which makes it an ideal solution for space-constrained applications. The inclusion of a pre-set switch frequency of 52kHz allows for a balance between efficiency and the size of external components, ensuring a compact and efficient power supply design.

Key Features

• Output Voltage: Fixed at 15V with a precision of ±4% over line, load, and temperature variations.
• Output Current: Capable of delivering up to 1A.
• Input Voltage Range: Wide range from 4V to 40V, suitable for various input sources.
• High Efficiency: Integrated switch and simple external components yield high efficiency.
• Thermal Shutdown and Current Limit: In-built protection features enhance the reliability and longevity of the device.
• Frequency: Fixed 52kHz switching frequency optimizes efficiency and component size.
• Packaging: Offered in a TO-263 package, which is known for good thermal performance and small footprint.

Applications

The LM2575SX-15/NOPB is suitable for a diverse range of applications due to its robustness and versatility. It is commonly used in:

• Automotive systems
• Industrial power supplies
• Consumer electronics
• Telecommunications equipment
• Portable devices

With its built-in safety features, such as over-temperature protection and current limit, the LM2575SX-15/NOPB ensures safe operation under various conditions. Its ease of use, combined with the support and reliability of Texas Instruments, makes it a preferred choice for designers looking for a straightforward and effective power management solution.