Texas Instruments

LM2593HVS-3.3

LM2593HVS-3.3 Description

The LM2593HVS-3.3 is a fixed-output voltage regulator from Texas Instruments, designed to deliver a stable 3.3V output with a maximum current of 2A. This buck converter operates within an input voltage range of 4.5V to 60V, making it highly versatile for various power supply applications. The device features a switching frequency of 150kHz, which allows for the use of smaller inductors and capacitors, thereby reducing the overall footprint of the power supply. The LM2593HVS-3.3 is part of the SIMPLE SWITCHER® series, known for its ease of use and high performance. Despite being marked as obsolete, it remains a reliable choice for legacy systems and specific applications where its unique features are advantageous.

LM2593HVS-3.3 Features

• Fixed Output Voltage: The LM2593HVS-3.3 provides a stable 3.3V output, 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 variety of power sources, enhancing its flexibility in different applications.
• High Output Current: Capable of delivering up to 2A of output current, it is suitable for powering demanding devices and systems.
• High Switching Frequency: Operating at 150kHz, the regulator allows for the use of smaller passive components, which is beneficial for compact designs.
• Positive Output Configuration: The positive output configuration ensures compatibility with most electronic circuits.
• Surface Mount Technology: The surface mount package type facilitates easy integration into modern PCB designs, enhancing reliability and reducing assembly costs.
• Moisture Sensitivity Level: With an MSL of 3 (168 hours), the device is suitable for use in environments with moderate humidity levels.
• Compliance: The LM2593HVS-3.3 is REACH unaffected and classified under ECCN EAR99, ensuring compliance with international regulations.

LM2593HVS-3.3 Applications

The LM2593HVS-3.3 is ideal for a range of applications where a stable 3.3V power supply is required. Specific use cases include:

• Embedded Systems: Providing a reliable power source for microcontrollers, sensors, and other low-power devices.
• Telecommunications: Powering communication modules and network equipment that require a stable 3.3V supply.
• Industrial Equipment: Used in control systems, PLCs, and other industrial applications where a robust power supply is essential.
• Consumer Electronics: Suitable for powering devices such as routers, set-top boxes, and other consumer electronics that operate on 3.3V.
• Automotive: Ideal for automotive applications where a wide input voltage range and high reliability are crucial.

Conclusion of LM2593HVS-3.3

The LM2593HVS-3.3 from Texas Instruments is a robust and versatile fixed-output voltage regulator that offers a stable 3.3V supply with a maximum output current of 2A. Its wide input voltage range, high switching frequency, and surface mount package make it suitable for a variety of applications, from embedded systems to industrial equipment. Despite being marked as obsolete, the LM2593HVS-3.3 remains a reliable choice for legacy systems and specific applications where its unique features provide significant advantages. Its compliance with international regulations and moisture sensitivity level further enhance its suitability for diverse environments.