Texas Instruments

LM2673SX-3.3/NOPB  

DC Switching Voltage Regulators

LM2673SX-3.3/NOPB Description

The LM2673SX-3.3/NOPB is a high-performance, fixed-output voltage regulator from Texas Instruments, designed to deliver a stable 3.3V output at a maximum current of 3A. This buck converter is part of the SIMPLE SWITCHER® series, renowned for its ease of use and robust performance. The regulator operates efficiently within an input voltage range of 8V to 40V, making it suitable for a wide array of applications where input voltage variability is a concern. The LM2673SX-3.3/NOPB features a switching frequency of 260kHz, which ensures minimal electromagnetic interference (EMI) and allows the for use of smaller external components, thereby reducing the overall footprint of the power solution.

LM2673SX-3.3/NOPB Features

• Fixed Output Voltage: The LM2673SX-3.3/NOPB provides a fixed output voltage of 3.3V, ensuring consistent power delivery to sensitive electronic components.
• Wide Input Voltage Range: With an input voltage range of 8V to 40V, this regulator can handle a broad spectrum of input voltages, making it highly versatile for various power supply scenarios.
• High Output Current: Capable of delivering up to 3A of output current, the LM2673SX-3.3/NOPB is well-suited for applications requiring high current loads.
• Efficient Buck Topology: Utilizing a buck converter topology, the regulator achieves high efficiency and minimal power loss, contributing to energy savings and reduced heat generation.
• Surface Mount Packaging: The surface mount package (DDPAK) facilitates easy integration into compact PCB designs, enhancing the overall system reliability and thermal performance.
• Compliance and Reliability: The LM2673SX-3.3/NOPB is REACH unaffected and RoHS3 compliant, ensuring it meets stringent environmental and safety standards. Additionally, its moisture sensitivity level (MSL) of 3 (168 hours) makes it suitable for a variety of manufacturing environments.
• Tape & Reel Packaging: Available in tape & reel (TR) packaging, the LM2673SX-3.3/NOPB is ideal for automated assembly processes, enhancing production efficiency and scalability.

LM2673SX-3.3/NOPB Applications

The LM2673SX-3.3/NOPB is particularly well-suited for applications that demand a reliable and efficient power solution. Its fixed 3.3V output and high current capability make it ideal for:

• Embedded Systems: Providing stable power to microcontrollers, FPGAs, and other digital circuits.
• Telecommunications: Powering base stations, routers, and other telecom equipment.
• Industrial Controls: Supplying power to PLCs, sensors, and actuators in industrial environments.
• Consumer Electronics: Used in gaming consoles, smart TVs, and other consumer devices requiring high current and stable voltage.
• Automotive Electronics: Suitable for in-vehicle infotainment systems, ECUs, and other automotive applications where a wide input voltage range is essential.

Conclusion of LM2673SX-3.3/NOPB

The LM2673SX-3.3/NOPB stands out as a reliable and efficient power management solution, offering a fixed 3.3V output with a high current capacity of 3A. Its wide input voltage range and efficient buck topology make it a versatile choice for a variety of applications. The surface mount package and compliance with environmental standards further enhance its appeal. Whether powering sensitive digital circuits or robust industrial systems, the LM2673SX-3.3/NOPB delivers consistent performance and reliability, making it a preferred choice for engineers and designers in the electronics industry.

LM2673SX-3.3/NOPB Documents

Download datasheets and manufacturer documentation for LM2673SX-3.3/NOPB

Images :

Mechanical Outline Drawing       Function Diagram      

PCN :

Process Change Notification (PDF)      

Models :

LM2673SX-3.3/NOPB Symbol & Footprint by SnapMagic      

Technical Resources :

LM2673 TINA-TI Load Transient Reference Design (Rev. A)       LM2673 TINA-TI start-up Transient Reference Design (Rev. A)      

SPICE Models :

LM2673 TINA-TI TRANSIENT SPICE MODEL (Rev. A)       LM2673 Unencrypted PSpice Transient Model Package (Rev. B)       LM2673 Unencrypted PSpice Transient Model