Texas Instruments

LM2575S-12  

DC Switching Voltage Regulators

LM2575S-12 Description

The LM2575S-12 is a fixed output voltage regulator from Texas Instruments, designed to provide a stable 12V output at a maximum current of 1A. This regulator is part of the SIMPLE SWITCHER® series, known for its ease of use and high performance. The LM2575S-12 operates within an input voltage range of 4V to 40V, making it suitable for a wide variety of power supply applications. It features a buck topology with a switching frequency of 52kHz, ensuring efficient power conversion. The regulator is housed in a surface-mount DDPAK package, which is ideal for compact designs and high-density PCB layouts. Despite its obsolescence status, the LM2575S-12 remains a reliable choice for applications requiring a fixed 12V output.

LM2575S-12 Features

• Fixed Output Voltage: The LM2575S-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 accommodate various power sources, enhancing its versatility.
• High Efficiency Buck Topology: The buck topology ensures efficient power conversion, minimizing power loss and heat generation.
• Switching Frequency: Operating at 52kHz, the regulator balances efficiency and component size, making it suitable for compact designs.
• Surface-Mount Package: The DDPAK package allows for easy integration into surface-mount designs, saving space and reducing assembly complexity.
• Moisture Sensitivity Level: MSL 3 (168 Hours) ensures the regulator can withstand environmental conditions without degradation.
• Compliance: The LM2575S-12 is REACH unaffected and classified under ECCN EAR99, ensuring compliance with international regulations.

LM2575S-12 Applications

The LM2575S-12 is ideal for applications requiring a reliable and efficient 12V power supply. Its wide input voltage range and fixed output make it suitable for:

• Embedded Systems: Providing stable power to microcontrollers, sensors, and other components.
• Telecommunications: Powering modules and devices in communication infrastructure.
• Industrial Equipment: Ensuring consistent power delivery in control systems and automation devices.
• Consumer Electronics: Supplying power to peripherals and low-power devices.

Conclusion of LM2575S-12

The LM2575S-12 from Texas Instruments is a robust and efficient fixed output voltage regulator, offering a stable 12V output at up to 1A. Its wide input voltage range, high efficiency buck topology, and compact surface-mount package make it a versatile solution for a variety of power management applications. Despite being marked as obsolete, the LM2575S-12 remains a reliable choice for designers seeking a straightforward and effective power supply solution.

LM2575S-12 Documents

Download datasheets and manufacturer documentation for LM2575S-12

Datasheets :

LM1575(-N,HV)      

HTML Datasheet :

LM1575(-N,HV)