Texas Instruments

LM2599SX-12

LM2599SX-12 Description

The LM2599SX-12 is a fixed output voltage regulator from Texas Instruments, designed to deliver a stable 12V output at a maximum current of 3A. This DC Switching Voltage Regulator is part of the SIMPLE SWITCHER® series, known for its ease of use and high performance. The LM2599SX-12 operates within an input voltage range of 4.5V to 40V, making it suitable for a wide variety of applications that require a robust and reliable power supply solution.

LM2599SX-12 Features

• Output Type: Fixed at 12V, ensuring a stable power supply for connected devices.
• Input Voltage Range: 4.5V to 40V, providing flexibility for various input power sources.
• Output Current: Capable of delivering up to 3A, suitable for high-current applications.
• Switching Frequency: Operates at 150kHz, allowing for smaller inductor and capacitor sizes, which can reduce the overall footprint of the design.
• Topology: Buck converter topology, which is highly efficient and ideal for step-down voltage conversion.
• Output Configuration: Positive output voltage, suitable for most electronic systems.
• Mounting Type: Surface Mount, compatible with modern PCB assembly processes.
• Package: Tape & Reel (TR), facilitating automated assembly and handling.
• Moisture Sensitivity Level: MSL 3 (168 Hours), ensuring reliability in various environmental conditions.
• Synchronous Rectifier: No synchronous rectifier, which simplifies the design but may slightly reduce efficiency compared to synchronous rectified designs.
• Product Status: Obsolete, though still available for legacy designs and existing projects.
• REACH Status: REACH Unaffected, ensuring compliance with environmental regulations.
• ECCN: EAR99, indicating compliance with export control regulations.
• HTSUS: 8542.39.0001, facilitating customs and import processes.

LM2599SX-12 Applications

The LM2599SX-12 is ideal for applications requiring a stable 12V power supply with high current capabilities. Its wide input voltage range and fixed output voltage make it suitable for:

• Industrial Equipment: Powering motors, actuators, and control systems.
• Telecommunications: Providing stable power to base stations and networking equipment.
• Automotive: Suitable for in-vehicle electronics and accessories.
• Consumer Electronics: Ideal for high-current applications such as power supplies for gaming consoles, home theater systems, and other high-power devices.
• Medical Devices: Reliable power supply for diagnostic equipment and other medical instruments.

Conclusion of LM2599SX-12

The LM2599SX-12 from Texas Instruments is a robust and reliable DC Switching Voltage Regulator, offering a stable 12V output at up to 3A. Its wide input voltage range, high switching frequency, and surface mount package make it a versatile component for a variety of applications. Despite its obsolete status, the LM2599SX-12 remains a valuable option for legacy designs and projects where its specific features are required. Its compliance with environmental and export regulations ensures it can be used in a global context. For applications requiring a fixed 12V output with high current capabilities, the LM2599SX-12 stands out as a reliable and efficient solution.