Texas Instruments

LM2591HVS-3.3  

DC Switching Voltage Regulators

LM2591HVS-3.3 Description

The LM2591HVS-3.3 is a fixed output voltage regulator from Texas Instruments, designed to provide a stable 3.3V output with a maximum current capacity of 1A. This regulator is part of the SIMPLE SWITCHER® series, known for its ease of use and high performance. The LM2591HVS-3.3 operates within an input voltage range of 4.5V to 60V, making it suitable for a wide variety of applications where input voltage levels can vary significantly. The regulator employs a buck topology, which is highly efficient for converting higher input voltages to the desired lower output voltage. With a switching frequency of 150kHz, the LM2591HVS-3.3 ensures minimal power loss and efficient operation. The regulator is housed in a surface-mount package, specifically a DDPAK, which is ideal for compact and high-density PCB designs. Despite its obsolescence, the LM2591HVS-3.3 remains a reliable choice for applications requiring a robust and efficient power management solution.

LM2591HVS-3.3 Features

• Fixed Output Voltage: The LM2591HVS-3.3 provides a stable 3.3V output, ensuring consistent power supply to sensitive electronic components.
• Wide Input Voltage Range: With an input voltage range of 4.5V to 60V, the regulator can accommodate a variety of power sources, enhancing its versatility.
• High Efficiency Buck Topology: Utilizing a buck converter topology, the LM2591HVS-3.3 achieves high efficiency, making it suitable for applications where power conservation is critical.
• 150kHz Switching Frequency: The regulator's 150kHz switching frequency ensures minimal power loss and efficient operation, contributing to overall system efficiency.
• Surface-Mount Package: The DDPAK surface-mount package is ideal for compact and high-density PCB designs, facilitating ease of integration into modern electronic systems.
• Moisture Sensitivity Level 3: With a moisture sensitivity level of 3 (168 hours), the LM2591HVS-3.3 is suitable for applications in environments with varying humidity levels.
• REACH Unaffected: The regulator complies with REACH regulations, ensuring it is free from harmful substances and suitable for use in environmentally conscious applications.

LM2591HVS-3.3 Applications

The LM2591HVS-3.3 is ideal for a range of applications that require a stable 3.3V power supply with high efficiency and reliability. Some specific use cases include:

• Industrial Control Systems: Providing stable power to microcontrollers, sensors, and other critical components in industrial environments.
• Telecommunications Equipment: Ensuring reliable power supply to communication modules and networking devices.
• Automotive Electronics: Supplying power to electronic control units (ECUs) and other automotive systems that operate within a wide voltage range.
• Consumer Electronics: Powering devices such as routers, modems, and other consumer electronics that require a stable 3.3V supply.

Conclusion of LM2591HVS-3.3

The LM2591HVS-3.3 from Texas Instruments is a robust and efficient fixed output voltage regulator, offering a stable 3.3V output with a maximum current capacity of 1A. Its wide input voltage range, high efficiency buck topology, and compact surface-mount package make it a versatile and reliable choice for various power management applications. Despite being marked as obsolete, the LM2591HVS-3.3 continues to provide excellent performance and reliability, making it an ideal solution for applications requiring a stable and efficient power supply.

LM2591HVS-3.3 Documents

Download datasheets and manufacturer documentation for LM2591HVS-3.3

Datasheets :

LM2591HV      

HTML Datasheet :

LM2591HV