Texas Instruments

LM2585SX-12

LM2585SX-12 Description

The LM2585SX-12 is a fixed-output voltage regulator belonging to the SIMPLE SWITCHER® series, manufactured by Texas Instruments. This IC is designed to provide a stable 12V output at a maximum current of 3A. It operates within a wide input voltage range, from a minimum of 4V to a maximum of 40V, making it suitable for a variety of power management applications. The regulator employs a switching frequency of 100kHz, ensuring efficient power conversion and minimal heat dissipation.

The LM2585SX-12 is housed in a surface-mount DDPAK package, which is ideal for compact and high-density PCB designs. Despite its small form factor, the regulator is robust, with a moisture sensitivity level (MSL) of 3, allowing for up to 168 hours of exposure before reflow soldering. It is also REACH unaffected, ensuring compliance with environmental regulations.

LM2585SX-12 Features

• Fixed Output Voltage: The LM2585SX-12 provides a stable 12V output, ensuring consistent power delivery to connected devices.
• Wide Input Voltage Range: With an input voltage range of 4V to 40V, this regulator can handle a variety of power sources, from batteries to industrial power supplies.
• High Output Current: Capable of delivering up to 3A of output current, it is suitable for applications requiring high power.
• Switching Frequency: The 100kHz switching frequency ensures efficient power conversion and reduces the size of external components.
• Surface-Mount Package: The DDPAK package is ideal for compact designs, allowing for high-density PCB layouts.
• Moisture Sensitivity Level: MSL 3 (168 hours) ensures the regulator can withstand extended exposure to moisture before soldering.
• Compliance: REACH unaffected, ensuring compliance with environmental regulations.
• Topology: Suitable for boost, flyback, and forward converter topologies, offering versatility in power management designs.

LM2585SX-12 Applications

The LM2585SX-12 is ideal for a range of applications where a stable 12V output and high current capability are required. Some specific use cases include:

• Industrial Equipment: Powering motors, actuators, and control systems that require a stable 12V supply.
• Automotive Electronics: Providing reliable power to electronic control units (ECUs) and other automotive systems.
• Telecommunications: Supplying power to base stations, routers, and other telecom equipment.
• Consumer Electronics: Used in high-power devices such as gaming consoles, desktop computers, and home appliances.
• Power Supplies: Ideal for designing efficient and compact power supplies for various electronic devices.

Conclusion of LM2585SX-12

The LM2585SX-12 is a versatile and efficient power regulator that offers a stable 12V output with a maximum current of 3A. Its wide input voltage range, high switching frequency, and compact surface-mount package make it suitable for a variety of applications. Despite being marked as obsolete, the LM2585SX-12 remains a reliable choice for power management designs, especially where a fixed 12V output and high current capability are essential. Its compliance with environmental regulations and robust moisture sensitivity level further enhance its appeal for modern electronics manufacturing.