The LM2597HVMX-3.3 from Texas Instruments is a highly efficient, step-down voltage regulator that offers the convenience of a fixed 3.3V output. It's part of the SIMPLE SWITCHER® family, designed to simplify the process of designing switch-mode power supplies. This regulator is ideal for a wide range of applications, including but not limited to consumer electronics, embedded systems, and industrial equipment.

Key Features

• Output Voltage: Fixed at 3.3V, which is a common voltage level for digital circuits, ensuring compatibility with a variety of standard logic devices.
• Input Voltage Range: Versatile 4.5V to 40V, accommodating a wide array of power sources and ensuring stability across various supply conditions.
• Output Current: Capable of delivering up to 0.5A, suitable for moderate power applications.
• High Efficiency: Integrated switch allows for efficiencies up to 77%, minimizing heat generation and power loss.
• Frequency: 150 kHz fixed frequency internal oscillator ensures a predictable performance and simplifies the design of external components.
• Thermal Shutdown and Current Limit Protection: Enhances the safety and reliability of the regulator by protecting it from abnormal operating conditions.
• Adjustable Version: Also available for greater flexibility in applications requiring different output voltages.

Applications

• Power supplies for embedded systems
• Consumer electronics
• Industrial control systems
• Automotive applications

Package and Quality

The LM2597HVMX-3.3 is available in a surface-mount package, making it suitable for automated assembly processes. It is manufactured to Texas Instruments' high-quality standards, ensuring reliability and performance for critical applications.

For detailed specifications, application notes, and evaluation boards, visit the Texas Instruments website.