The LM2670S-3.3 is a high-efficiency, step-down voltage regulator designed and manufactured by Texas Instruments. This regulator is part of the LM2670 series, which is known for its simple and efficient voltage conversion capabilities. The device is capable of driving a 3A load with excellent line and load regulation.

Key Features

• Output Voltage: The LM2670S-3.3 provides a fixed output voltage of 3.3V, which is suitable for a wide range of digital and analog applications that require a stable and regulated power supply.
• High Efficiency: With a switching frequency of 260kHz, the regulator achieves high efficiency, which can be up to 92%, minimizing heat generation and power loss during operation.
• Load Current: The device is capable of delivering a continuous load current of up to 3A, making it suitable for powering medium to high-power circuits.
• Thermal Shutdown and Current Limit: Built-in thermal shutdown and current limit protections ensure the reliability and safety of the regulator under excessive temperature or overload conditions.
• Adjustable Output: While this model provides a fixed voltage output, the LM2670 series includes versions with an adjustable output voltage, giving designers flexibility in their applications.

Applications

The LM2670S-3.3 is versatile and can be used in a variety of applications, including:

• Efficient on-card switching regulators for noise-sensitive circuits
• Simple high-efficiency step-down (buck) regulators
• Positive to negative converter (Buck-Boost)

Package and Quality

This regulator is available in a TO-263 package, which is designed for surface mount technology and is suitable for automated assembly processes. Texas Instruments ensures high-quality standards, and the LM2670S-3.3 is no exception, offering reliability and performance for a wide range of industrial and commercial products.