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LM2586SX-12
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LM2586SX-12 Description
LM2586SX-12 Description
The LM2586SX-12 is a fixed output voltage regulator from Texas Instruments, designed to provide a stable 12V output at a maximum current of 3A. This regulator is part of the SIMPLE SWITCHER® series, known for its ease of use and high performance. The LM2586SX-12 operates within a wide input voltage range of 4V to 40V, making it suitable for a variety of power supply applications. It features a switching frequency range of 100kHz to 200kHz, allowing for efficient power conversion and reduced component size. The regulator is housed in a surface-mount DDPAK package, which is ideal for compact designs and high thermal performance.
LM2586SX-12 Features
- Fixed Output Voltage: The LM2586SX-12 provides a stable 12V output, ensuring consistent power delivery to connected devices.
- High Input Voltage Range: With an input voltage range of 4V to 40V, this regulator is versatile and can handle a wide variety of input sources.
- High Output Current: Capable of delivering up to 3A of output current, the LM2586SX-12 is suitable for applications requiring significant power.
- Switching Frequency: The regulator operates within a frequency range of 100kHz to 200kHz, enabling efficient power conversion and reducing the size of external components.
- Surface-Mount Package: The DDPAK package is designed for surface-mount technology, offering compactness and high thermal performance.
- Topology Versatility: The LM2586SX-12 supports boost, flyback, and forward converter topologies, making it suitable for various power management configurations.
- Compliance and Safety: The regulator is REACH unaffected and RoHS3 compliant, ensuring environmental safety and regulatory compliance.
- Moisture Sensitivity Level: MSL 3 (168 hours) ensures the regulator can withstand moisture exposure during manufacturing processes.
LM2586SX-12 Applications
The LM2586SX-12 is ideal for a range of applications where a stable 12V output and high current are required. Some specific use cases include:
- Automotive Electronics: Providing stable power to electronic control units (ECUs) and other automotive systems.
- Industrial Equipment: Powering sensors, actuators, and control systems in industrial settings.
- Telecommunications: Supplying power to base stations and other telecom equipment.
- Consumer Electronics: Used in power supplies for devices such as monitors, printers, and other peripherals.
Conclusion of LM2586SX-12
The LM2586SX-12 is a robust and versatile fixed output voltage regulator, offering a stable 12V output at up to 3A. Its wide input voltage range and high switching frequency make it suitable for a variety of power management applications. The surface-mount DDPAK package ensures compactness and high thermal performance, while compliance with REACH and RoHS3 standards ensures environmental safety. Although the product is now obsolete, the LM2586SX-12 remains a reliable choice for applications requiring a stable and efficient power supply.



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