Texas Instruments

LM2590HVS-3.3

LM2590HVS-3.3 Description

The LM2590HVS-3.3 is a fixed output voltage regulator from Texas Instruments, designed to deliver a stable 3.3V output at a maximum current of 1A. This device is part of the SIMPLE SWITCHER® series, known for its high efficiency and ease of use in a wide range of applications. The regulator operates within an input voltage range of 4.5V to 60V, making it suitable for various power supply scenarios. It features a switching frequency of 150kHz, which helps in minimizing the size of external components while maintaining high efficiency. The LM2590HVS-3.3 is housed in a surface-mount DDPAK package, ensuring robust mechanical performance and thermal stability. Despite being marked as obsolete, it remains a reliable choice for legacy systems and specific applications where its unique features are advantageous.

LM2590HVS-3.3 Features

• Fixed Output Voltage: Delivers a precise 3.3V output, ensuring stable power supply to sensitive electronic components.
• Wide Input Voltage Range: Operates efficiently between 4.5V and 60V, providing flexibility in power source selection.
• High Efficiency Buck Topology: Utilizes a buck converter topology to achieve high efficiency, reducing power loss and heat generation.
• Surface-Mount Package: The DDPAK package ensures easy integration into compact designs while maintaining excellent thermal performance.
• 150kHz Switching Frequency: Reduces the size of inductors and capacitors, enabling smaller and more efficient power supply designs.
• Positive Output Configuration: Ensures compatibility with most electronic systems requiring a positive voltage supply.
• Moisture Sensitivity Level 3: Suitable for environments where moisture exposure is a concern, ensuring reliability in various operating conditions.
• REACH Unaffected: Complies with environmental regulations, making it suitable for use in a wide range of industries.

LM2590HVS-3.3 Applications

The LM2590HVS-3.3 is ideal for applications requiring a stable 3.3V supply with moderate current capabilities. It is particularly well-suited for:

• Embedded Systems: Provides a reliable power source for microcontrollers, sensors, and other low-power devices.
• Industrial Control: Ensures stable operation of control systems and automation equipment.
• Telecommunications: Powers various components in communication infrastructure, such as base stations and network equipment.
• Consumer Electronics: Suitable for powering devices like routers, set-top boxes, and other small appliances.
• Automotive Electronics: Ideal for powering electronic control units (ECUs) and other automotive systems requiring a stable 3.3V supply.

Conclusion of LM2590HVS-3.3

The LM2590HVS-3.3 from Texas Instruments is a robust and reliable fixed output voltage regulator, offering a stable 3.3V supply with a maximum output current of 1A. Its wide input voltage range, high efficiency buck topology, and compact surface-mount package make it a versatile solution for various applications. Despite being marked as obsolete, the LM2590HVS-3.3 remains a valuable component for legacy systems and specific use cases where its unique features provide significant advantages. Its compliance with environmental regulations and moisture sensitivity level 3 further enhance its reliability and suitability for diverse operating conditions.