Texas Instruments

LM2678SD-3.3/NOPB  

DC Switching Voltage Regulators

LM2678SD-3.3/NOPB Description

The LM2678SD-3.3/NOPB is a high-performance buck regulator designed by Texas Instruments, part of the SIMPLE SWITCHER® series. This IC is specifically engineered for applications requiring a fixed output voltage of 3.3V and a maximum output current of 5A. It operates within a wide input voltage range, from a minimum of 8V to a maximum of 40V, making it suitable for various power management scenarios. The regulator features a switching frequency of 260kHz, which helps in achieving high efficiency and compact design. The LM267SD8-3.3/NOPB is available in a surface-mount package, specifically a 14-pin VSON, which is ideal for space-constrained applications. This product is compliant with RoHS3 and REACH regulations, ensuring environmental safety and sustainability. The moisture sensitivity level (MSL) is rated at 1 (Unlimited), indicating robustness against moisture-related issues during manufacturing processes.

LM2678SD-3.3/NOPB Features

• Fixed Output Voltage: The LM2678SD-3.3/NOPB provides a stable 3.3V output, ensuring consistent power delivery to sensitive electronics.
• Wide Input Voltage Range: With an input voltage range of 8V to 40V, this regulator is versatile and can accommodate a variety of power sources.
• High Output Current Capability: Capable of delivering up to 5A of output current, it is suitable for high-power applications.
• High Switching Frequency: Operating at 260kHz, the regulator ensures high efficiency and allows for the use of smaller inductors anditors capac, reducing overall footprint.
• Positive Output Configuration: The positive output configuration ensures compatibility with most electronic systems.
• Surface Mount Packaging: The 14-pin VSON package is ideal for surface-mount technology (SMT) processes, facilitating automated assembly and compact design.
• Compliance and Robustness: RoHS3 and REACH compliance ensures environmental safety, while the MSL 1 rating guarantees robustness against moisture.
• Active Product Status: This indicates that the LM2678SD-3.3/NOPB is a current, actively supported product, ensuring long-term availability and technical support.

LM2678SD-3.3/NOPB Applications

The LM2678SD-3.3/NOPB is ideal for a wide range of applications due to its high efficiency, compact size, and robust performance. Key applications include:

• Telecommunications: Powering base stations, routers, and other telecom equipment where a stable 3.3V supply is required.
• Industrial Automation: Providing reliable power to PLCs, sensors, and actuators in industrial environments.
• Consumer Electronics: Suitable for powering devices such as gaming consoles, set-top boxes, and high-end audio equipment.
• Automotive: Ideal for in-vehicle electronics, infotainment systems, and advanced driver-assistance systems (ADAS).
• Medical Devices: Powering diagnostic equipment, imaging systems, and other medical devices that require precise power management.

Conclusion of LM2678SD-3.3/NOPB

The LM2678SD-3.3/NOPB from Texas Instruments stands out as a reliable and efficient buck regulator within the SIMPLE SWITCHER® series. Its combination of a fixed 3.3V output, wide input voltage range, and high output current capability make it a versatile solution for various power management needs. The high switching frequency and compact surface-mount package further enhance its appeal for modern, space-constrained applications. Compliance with RoHS3 and REACH regulations ensures environmental sustainability, while the MSL 1 rating guarantees robustness during manufacturing. Whether used in telecommunications, industrial automation, consumer electronics, automotive, or medical devices, the LM2678SD-3.3/NOPB delivers consistent performance and reliability, making it an excellent choice for engineers and designers in the electronics industry.

LM2678SD-3.3/NOPB Documents

Download datasheets and manufacturer documentation for LM2678SD-3.3/NOPB

PCN Assembly/Origin :

LMDMOS devices 23/Mar/2018      

Datasheets :

LM2678      

Design Resources :

LM2678 Design with WEBENCH® Power Designer      

HTML Datasheet :

LM2678