Texas Instruments

LM2588S-3.3

LM2588S-3.3 Description

The LM2588S-3.3 is a fixed output voltage regulator designed for high efficiency and performance in a variety of power management applications. Manufactured by Texas Instruments, this IC belongs to the SIMPLE SWITCHER® series and is optimized for surface-mount applications. It features a fixed output voltage of 3.3V and a maximum output current of 5A through its switch. The LM2588S-3.3 operates within an input voltage range of 4V to 40V, making it suitable for a wide range of input power sources. Its switching frequency is adjustable between 100kHz and 200kHz, allowing designers to optimize the trade-off between efficiency and component size.

LM2588S-3.3 Features

• Fixed Output Voltage: The LM2588S-3.3 provides a stable 3.3V output, ensuring consistent power delivery to sensitive electronics.
• High Input Voltage Range: With an input voltage range of 4V to 40V, this regulator can handle a variety of input sources, including batteries and unregulated power supplies.
• High Output Current Capability: The 5A switch capability allows the LM2588S-3.3 to power demanding applications without the need for additional current boosters.
• Adjustable Switching Frequency: The ability to adjust the switching frequency between 100kHz and 200kHz provides flexibility in designing for either high efficiency or compact form factors.
• Positive Output Configuration: The positive output configuration ensures compatibility with most electronic systems that require a positive voltage rail.
• Obsolete Product Status: While the LM2588S-3.3 is marked as obsolete, it remains a reliable choice for legacy systems and applications where its specific features are required.
• Compliance and Packaging: The LM2588S-3.3 is REACH unaffected and comes in a tube package, ensuring compliance with environmental regulations and ease of handling during manufacturing processes.

LM2588S-3.3 Applications

The LM2588S-3.3 is ideal for applications requiring a stable 3.3V supply with high current capability. Its broad input voltage range and adjustable switching frequency make it suitable for:

• Telecommunications: Powering base stations and other telecom equipment that require a stable 3.3V supply.
• Industrial Equipment: Providing reliable power to control systems and sensors that operate within a wide input voltage range.
• Consumer Electronics: Used in devices such as routers, modems, and set-top boxes where a compact and efficient power solution is necessary.
• Automotive: Suitable for in-vehicle electronics where the input voltage can vary significantly due to different operating conditions.

Conclusion of LM2588S-3.3

The LM2588S-3.3 is a robust and versatile power management IC that offers a fixed 3.3V output with a high current capability of 5A. Its wide input voltage range and adjustable switching frequency make it a flexible solution for various applications. Despite being marked as obsolete, the LM2588S-3.3 remains a reliable choice for legacy systems and specific applications where its unique features are essential. Its compliance with environmental regulations and surface-mount design ensure ease of integration into modern electronic systems.