Texas Instruments

LM2679S-3.3/NOPB  

DC Switching Voltage Regulators

LM2679S-3.3/NOPB Description

The LM2679S-3.3/NOPB is a high-performance, fixed-output voltage regulator from Texas Instruments, designed for demanding power management applications. This IC is part of the SIMPLE SWITCHER® series, known for its ease of use and high efficiency. The LM2679S-3.3/NOPB operates within an input voltage range of 8V to 40V, making it suitable for a wide array of power supply scenarios. It delivers a stable 3.3V output at a maximum current of 5A, ensuring reliable power delivery to critical components.

LM2679S-3.3/NOPB Features

• Fixed Output Voltage: The LM2679S-3.3/NOPB provides a fixed output voltage of 3.3V, ensuring consistent power delivery without the need for external voltage-setting components.
• Wide Input Voltage Range: With an input voltage range of 8V to 40V, this regulator can handle a variety of power sources, from batteries to industrial power supplies.
• High Output Current: Capable of delivering up to 5A of output current, the LM2679S-3.3/NOPB is well-suited for applications requiring high power.
• Buck Topology: Utilizing a buck converter topology, this regulator achieves high efficiency and low power loss, making it ideal for applications where energy efficiency is crucial.
• 260kHz Switching Frequency: The 260kHz switching frequency allows for the use of smaller inductors and capacitors, reducing the overall footprint of the power supply.
• Surface Mount Packaging: The surface mount package (DDPAK) ensures ease of integration into modern PCB designs, enhancing thermal performance and reliability.
• Compliance and Safety: The LM2679S-3.3/NOPB is REACH affected and RoHS3 compliant, meeting stringent environmental and safety standards. It also has a moisture sensitivity level (MSL) of 3, ensuring robustness in various environmental conditions.

LM2679S-3.3/NOPB Applications

The LM2679S-3.3/NOPB is ideal for a range of applications where a stable, high-current power supply is required. Key applications include:

• Telecommunications: Providing stable power to base stations and network equipment.
• Industrial Automation: Powering control systems and sensors in harsh industrial environments.
• Consumer Electronics: Supplying power to high-current devices such as gaming consoles and high-end audio equipment.
• Automotive: Ensuring reliable power delivery to electronic control units (ECUs) and infotainment systems.
• Medical Devices: Powering critical components in medical imaging and diagnostic equipment.

Conclusion of LM2679S-3.3/NOPB

The LM2679S-3.3/NOPB from Texas Instruments stands out as a robust and efficient power management solution. Its fixed 3.3V output, wide input voltage range, and high output current make it a versatile choice for various applications. The buck topology and 260kHz switching frequency ensure high efficiency and compact design, while the surface mount package enhances integration and reliability. Compliance with environmental and safety standards further solidifies its position as a reliable choice for modern power supply needs.

LM2679S-3.3/NOPB Documents

Download datasheets and manufacturer documentation for LM2679S-3.3/NOPB

PCN Assembly/Origin :

LMDMOS devices 23/Mar/2018      

Datasheets :

LM2679      

Design Resources :

LM2679 Design with WEBENCH® Power Designer