The LM2679S-5.0/NOPB, manufactured by Texas Instruments, is a high-efficiency, SIMPLE SWITCHER® power converter that delivers up to 5A of continuous output current. This step-down voltage regulator is designed to provide a fixed 5V output with high precision while operating from an input voltage range of 8V to 40V. The integration of a robust set of features and its ease of use make it an ideal choice for a wide array of applications.
Key Features
- High Efficiency: The LM2679S-5.0/NOPB achieves high efficiency, which can reach up to 92%, reducing energy loss and heat generation, making it suitable for energy-sensitive applications.
- Output Voltage: Provides a stable 5V output, ideal for powering logic circuits and other standard 5V digital systems.
- High Output Current: Capable of delivering up to 5A of continuous current to the load, it can power a wide range of devices.
- Adjustable Switching Frequency: The switching frequency can be set with a single external resistor, which allows for flexibility in optimizing the balance between efficiency and external component size.
- Thermal Shutdown and Current Limit Protection: Ensures safe operation by protecting the device against excessive temperature and overcurrent conditions.
- Simplified Design: The SIMPLE SWITCHER® concept allows for easy design-in by reducing the number of external components needed.
Applications
The LM2679S-5.0/NOPB is versatile and can be used in various applications, including:
- Simple high-efficiency step-down (buck) regulators
- Efficient pre-regulators for linear regulators
- On-card switching regulators for elimination of noise and distribution problems associated with single-point regulation
Package and Quality
This device is offered in a TO-263 package, which is designed for optimal thermal performance and space-saving on the PCB. It is also categorized as "NOPB" (No Lead / Pb Free), which indicates compliance with RoHS standards, making it suitable for use in environmentally sensitive applications. Texas Instruments' commitment to quality ensures that the LM2679S-5.0/NOPB is a reliable and durable choice for your power supply needs.