Texas Instruments

LM2597HVN-3.3

LM2597HVN-3.3 Description

The LM2597HVN-3.3 is a fixed-output voltage regulator from Texas Instruments, part of the SIMPLE SWITCHER® series. This IC is designed to provide a stable 3.3V output at a maximum current of 500mA. It operates within an input voltage range of 4.5V to 60V, making it suitable for a wide variety of applications that require a robust and reliable power supply solution. The regulator employs a buck topology, which ensures high efficiency and minimal power loss, even under varying load conditions.

LM2597HVN-3.3 Features

• Fixed Output Voltage: The LM2597HVN-3.3 provides a fixed output voltage of 3.3V, ensuring consistent power delivery to sensitive electronic components.
• Wide Input Voltage Range: With an input voltage range of 4.5V to 60V, this regulator can accommodate a broad spectrum of power sources, enhancing its versatility.
• High Efficiency Buck Topology: Utilizing a buck topology, the regulator achieves high efficiency, minimizing power loss and heat generation.
• 150kHz Switching Frequency: The 150kHz switching frequency allows for the use of smaller inductors and capacitors, reducing the overall footprint of the power supply circuit.
• Through Hole Mounting: The through-hole mounting type ensures mechanical stability and ease of integration into various PCB designs.
• Obsolete Status: While the LM2597HVN-3.3 is marked as obsolete, it remains a reliable choice for legacy systems and applications where its specific features are required.
• REACH Unaffected: The product complies with REACH regulations, ensuring it is free from hazardous substances and safe for use in various industries.
• Moisture Sensitivity Level 1: The MSL 1 (Unlimited) rating indicates that the component is not moisture-sensitive, making it suitable for storage and handling in diverse environments.

LM2597HVN-3.3 Applications

The LM2597HVN-3.3 is ideal for a range of applications that demand a stable and efficient power supply. Its fixed 3.3V output and wide input voltage range make it particularly suitable for:

• Embedded Systems: Providing a stable power source for microcontrollers, sensors, and other low-power embedded devices.
• Communication Equipment: Ensuring reliable power delivery to communication modules and interfaces.
• Industrial Control Systems: Supplying power to control boards and PLCs in industrial environments.
• Consumer Electronics: Powering devices such as routers, set-top boxes, and other consumer electronics that require a 3.3V supply.

Conclusion of LM2597HVN-3.3

The LM2597HVN-3.3 from Texas Instruments is a robust and efficient fixed-output voltage regulator that offers a stable 3.3V supply at up to 500mA. Its wide input voltage range, high efficiency buck topology, and 150kHz switching frequency make it a versatile solution for various power supply needs. Despite its obsolete status, the LM2597HVN-3.3 remains a reliable choice for applications where its specific features are required. Its compliance with REACH regulations and moisture sensitivity level 1 rating further enhance its suitability for diverse industrial and consumer applications.