Andrew
Andrew Content Marketer
On Jul 17, 2025

LM2679S-ADJ/NOPB Switching Voltage Regulators by Texas Instruments – High-Efficiency Power Conversion for DC Systems

The Switching Voltage Regulators LM2679S-ADJ/NOPB by Texas Instruments are high-efficiency step-down voltage regulators capable of delivering up to 3A of continuous output current. Featuring adjustable output voltage and integrated power MOSFETs, these regulators are ideal for a wide variety of applications including industrial automation, embedded systems, and communication devices.

In this blog, we’ll explore the technical specifications, key features, typical applications, and integration tips for the LM2679S-ADJ/NOPB Switching Voltage Regulators by Texas Instruments—a compact and dependable choice for high-performance power supplies.


Technical Specifications of LM2679S-ADJ/NOPB

  • Manufacturer: Texas Instruments

  • Part Number: LM2679S-ADJ/NOPB

  • Type: Step-Down (Buck) Switching Voltage Regulator

  • Input Voltage Range: 8V to 40V

  • Output Voltage: Adjustable (1.2V to 37V)

  • Output Current: Up to 3A

  • Efficiency: Up to 90%

  • Switching Frequency: 260 kHz

  • Package: TO-263-5

  • Mounting Type: Surface Mount

  • Protection Features: Thermal shutdown, current limit, short circuit

  • RoHS Compliant: Yes

The LM2679S-ADJ/NOPB Switching Voltage Regulators by Texas Instruments offer excellent line and load regulation, thermal performance, and integration flexibility.


Key Features of LM2679S-ADJ/NOPB

  • High Output Current Capability – Supports up to 3A continuous current

  • Wide Input Range – Operates from 8V to 40V for flexible design

  • Adjustable Output Voltage – Versatile regulation for multiple loads

  • Built-in Power MOSFET – Reduces external component count

  • Overload and Thermal Protection – Safeguards your design

These features make the Switching Voltage Regulators by Texas Instruments ideal for power-constrained, high-reliability systems.


Applications of LM2679S-ADJ/NOPB

The LM2679S-ADJ/NOPB regulator is widely used in:

  • Embedded Power Supplies

  • Automotive Electronics

  • Industrial Process Control

  • Communication Equipment

  • Robotics and IoT Devices

  • LED Drivers and Power Modules

Whether you're powering sensors, microcontrollers, or communication modules, Switching Voltage Regulators by Texas Instruments ensure high-efficiency, low-noise performance.


Wiring and Connection Overview

Typical Configuration:

Vin (8–40V)  Input Capacitor  LM2679S-ADJ/NOPB  Output Inductor ? Vout (adjustable)  
                   
             Feedback Pin (for voltage adjustment)

Proper PCB layout and external filtering components are recommended for optimal thermal and EMI performance.


Use Case Scenario: Industrial Sensor Node Power Supply

Scenario: A system integrator was designing a remote industrial sensor that needed a compact and efficient 5V regulator from a 24V input supply.
Problem: Linear regulators were dissipating too much heat and reducing system efficiency.
Solution: The LM2679S-ADJ/NOPB Switching Voltage Regulators by Texas Instruments were used to step down 24V to 5V with over 85% efficiency.
Result: Reduced thermal stress, smaller heat sinks, and improved system longevity.


Download Datasheet for LM2679S-ADJ/NOPB

Looking for detailed electrical specs, design guidelines, or thermal profiles?

Download LM2679S-ADJ/NOPB Datasheet from Xon Electronics


Why Buy from Xon Electronics?

Xon Electronics is your trusted source for Switching Voltage Regulators by Texas Instruments:

  • 100% Authentic Texas Instruments Components
  • Global Shipping – USA, India, Australia, Europe & more
  • In-Stock Availability & Volume Discounts
  • Expert Technical Support for Integration
  • Safe and Secure Online Checkout

Buy the LM2679S-ADJ/NOPB Switching Voltage Regulators by Texas Instruments now at www.xonelec.com.


Conclusion

The LM2679S-ADJ/NOPB Switching Voltage Regulators by Texas Instruments are a reliable, high-efficiency power solution for compact and demanding designs. With a wide input range, robust protection features, and up to 3A current output, these regulators are a go-to choice for powering embedded electronics and industrial equipment. Now available at Xon Electronics with fast worldwide shipping to USA, India, Australia, Europe, and beyond.


FAQs – LM2679S-ADJ/NOPB Voltage Regulator

Q1. What is the maximum output current of LM2679S-ADJ/NOPB?
It supports up to 3A of continuous current.

Q2. Is the output voltage adjustable?
Yes, from 1.2V to 37V via an external resistor divider.

Q3. Can this regulator replace linear regulators?
Yes, it offers higher efficiency and less heat dissipation.

Q4. What protection features are included?
It includes overcurrent, short circuit, and thermal shutdown protection.

Q5. Where can I purchase this product globally?
From www.xonelec.com – with delivery to USA, India, Australia, Europe, and more.




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