Texas Instruments

LM2672M-5.0

LM2672M-5.0 Description

The LM2672M-5.0 from Texas Instruments is a fixed 5V output, 1A step-down (buck) switching voltage regulator designed for high-efficiency power conversion. Part of the SIMPLE SWITCHER® series, it integrates a 260kHz switching frequency, enabling compact designs with minimal external components. The device operates over a wide input voltage range (6.5V to 40V), making it suitable for industrial, automotive, and consumer applications requiring stable 5V power from higher voltage sources. Packaged in an 8-pin SOIC and RoHS3 compliant, it balances performance with environmental standards.

LM2672M-5.0 Features

• Fixed 5V Output: Eliminates the need for external feedback resistors, simplifying design.
• High Efficiency (Up to 90%): Reduces heat dissipation and improves energy savings.
• Wide Input Range (6.5V–40V): Supports diverse power sources, including unregulated DC supplies.
• 1A Output Current: Ideal for moderate-power applications.
• 260kHz Switching Frequency: Enables smaller inductors and capacitors for space-constrained designs.
• Non-Synchronous Rectification: Cost-effective for applications not requiring ultra-high efficiency.
• Robust Protection: Includes thermal shutdown and current limiting.
• MSL1 (Unlimited): Suitable for extended storage and handling.

LM2672M-5.0 Applications

• Industrial Systems: Powering sensors, PLCs, and control modules from 12V/24V rails.
• Automotive Electronics: Converting battery voltage (12V/24V) to 5V for infotainment or telematics.
• Consumer Devices: USB power supplies, set-top boxes, and portable equipment.
• Embedded Systems: Reliable 5V supply for microcontrollers and peripherals.
• LED Drivers: Low-noise voltage regulation for lighting systems.

Conclusion of LM2672M-5.0

The LM2672M-5.0 excels in delivering efficient, compact, and reliable 5V power conversion for demanding applications. Its wide input range, integrated protections, and simplicity make it a preferred choice over linear regulators or complex switchers. While classified as Last Time Buy, it remains a proven solution for designs prioritizing stability and cost-effectiveness. Engineers should consider this IC for projects requiring a balance of performance, size, and ease of implementation.