Texas Instruments

LM2673S-3.3  

DC Switching Voltage Regulators

LM2673S-3.3 Description

The LM2673S-3.3 is a high-performance DC switching voltage regulator from Texas Instruments, designed to deliver a fixed 3.3V output voltage with a maximum output current of 3A. This regulator is part of the SIMPLE SWITCHER® series, known for its ease of use and high efficiency. The LM2673S-3.3 operates within an input voltage range of 8V to 40V, making it suitable for a wide variety of applications where input voltage variability is a concern. The regulator employs a buck topology with a switching frequency of 260kHz, enabling it to achieve high efficiency while maintaining a compact footprint.

LM2673S-3.3 Features

• Fixed Output Voltage: The LM2673S-3.3 provides a stable 3.3V output, ideal for applications requiring a precise and consistent power supply.
• High Efficiency: With a switching frequency of 260kHz, the regulator achieves high efficiency, minimizing power loss and heat generation.
• Wide Input Voltage Range: The regulator operates from 8V to 40V, making it versatile for various power sources, including automotive and industrial applications.
• Surface Mount Technology: The surface mount package ensures ease of integration into modern PCB designs, facilitating automated assembly processes.
• Positive Output Configuration: The regulator delivers a positive output voltage, suitable for powering a wide range of electronic devices.
• Single Output: The LM2673S-3.3 is designed with a single output, simplifying the power distribution in systems requiring a dedicated 3.3V supply.
• Active Product Status: As an active product, the LM2673S-3.3 is readily available for purchase and integration into new designs.
• REACH Affected: The product complies with REACH regulations, ensuring it meets environmental and safety standards.

LM2673S-3.3 Applications

The LM2673S-3.3 is ideal for applications requiring a stable 3.3V power supply with high efficiency and reliability. Key applications include:

• Automotive Electronics: The wide input voltage range makes it suitable for automotive applications where the input voltage can vary significantly.
• Industrial Equipment: The regulator's robust design and high efficiency make it ideal for industrial applications where reliability and efficiency are paramount.
• Consumer Electronics: The compact surface mount package and high efficiency make it suitable for consumer electronics where space and power efficiency are critical.
• Telecommunications: The regulator's ability to handle a wide input voltage range and deliver a stable output voltage makes it suitable for telecommunications equipment.

Conclusion of LM2673S-3.3

The LM2673S-3.3 from Texas Instruments is a versatile and efficient DC switching voltage regulator, offering a fixed 3.3V output with a maximum current of 3A. Its wide input voltage range, high efficiency, and compact surface mount package make it an excellent choice for a variety of applications, including automotive, industrial, consumer electronics, and telecommunications. The regulator's robust design and compliance with REACH regulations ensure it meets both environmental and safety standards, making it a reliable and sustainable power solution.

LM2673S-3.3 Documents

Download datasheets and manufacturer documentation for LM2673S-3.3

Datasheets :

LM2673T-3.3/NOPB