Texas Instruments

LM2575T-3.3/LF03

LM2575T-3.3/LF03 Description

The LM2575T-3.3/LF03 is a fixed output voltage regulator from Texas Instruments, designed to provide a stable 3.3V output at a maximum current of 1A. This regulator operates within an input voltage range of 4V to 40V, making it versatile for various power supply applications. The LM2575T-3.3/LF03 features a switching frequency of 52kHz, which ensures efficient power conversion and minimal ripple in the output voltage. The regulator is housed in a through-hole TO220-5 package, which provides robust mechanical stability and excellent heat dissipation, essential for reliable operation in demanding environments.

LM2575T-3.3/LF03 Features

• Fixed Output Voltage: The LM2575T-3.3/LF03 offers a fixed output voltage of 3.3V, ensuring precise power delivery to sensitive electronic components.
• Wide Input Voltage Range: With an input voltage range of 4V to 40V, this regulator can accommodate a variety of power sources, enhancing its flexibility and usability.
• High Efficiency: The buck topology and 52kHz switching frequency ensure high efficiency, reducing power loss and improving overall system performance.
• Through-Hole Mounting: The TO220-5 package supports through-hole mounting, which is ideal for applications requiring robust mechanical stability and ease of integration.
• Compliance and Reliability: The LM2575T-3.3/LF03 is REACH unaffected and RoHS3 compliant, ensuring environmental safety and regulatory compliance. Additionally, its moisture sensitivity level (MSL) of 1 (unlimited) makes it suitable for various manufacturing processes.
• Active Product Status: As an active product, the LM2575T-3.3/LF03 is readily available and supported by Texas Instruments, providing customers with long-term availability and technical support.

LM2575T-3.3/LF03 Applications

The LM2575T-3.3/LF03 is ideal for a wide range of applications where a stable 3.3V supply is required. Some specific use cases include:

• Embedded Systems: Providing a stable power supply for microcontrollers, sensors, and other low-voltage components.
• Industrial Control: Ensuring reliable power delivery in harsh industrial environments where robustness and efficiency are critical.
• Telecommunications: Supplying power to various modules in communication equipment, where a wide input voltage range and high efficiency are essential.
• Consumer Electronics: Powering devices such as routers, set-top boxes, and other consumer electronics that require a stable 3.3V supply.

Conclusion of LM2575T-3.3/LF03

The LM2575T-3.3/LF03 from Texas Instruments stands out as a reliable and efficient fixed output voltage regulator. Its wide input voltage range, high efficiency, and robust through-hole packaging make it a versatile solution for a variety of applications. The regulator's compliance with environmental and regulatory standards ensures its suitability for modern electronics manufacturing. Whether used in embedded systems, industrial control, telecommunications, or consumer electronics, the LM2575T-3.3/LF03 delivers stable power with minimal ripple, making it an excellent choice for engineers seeking a dependable power solution.