LM2675N-3.3/NOPB

The LM2675N-3.3/NOPB is a step-down (buck) voltage regulator manufactured by Texas Instruments. It is designed to provide a stable output voltage of 3.3V with a maximum output current of 1A. This device is particularly useful in applications where efficient power conversion is required, such as in battery-powered devices, portable electronics, and various consumer electronics.

Key Features:

1. Input Voltage Range: The LM2675 operates with an input voltage range of 8V to 40V, making it suitable for a wide variety of power supply sources.

2. Output Voltage: The fixed output voltage of 3.3V is ideal for powering microcontrollers, sensors, and other digital devices that require a stable voltage.

3. Efficiency: The regulator boasts high efficiency, often exceeding 80%, which helps to minimize heat generation and prolong battery life in portable applications.

4. Switching Frequency: The device operates at a fixed switching frequency of 260 kHz, which allows for the use of smaller external components, such as inductors and capacitors, thereby reducing the overall size of the circuit.

5. Thermal Protection: The LM2675 includes thermal shutdown features to protect the device from overheating, ensuring reliable operation under varying load conditions.

6. Current Limit: It has built-in current limiting to prevent damage to the device and the load in case of a short circuit or overload condition.

7. Package Type: The LM2675N-3.3/NOPB is available in a standard 5-pin TO-220 package, which facilitates easy mounting and heat dissipation.

8. Applications: This voltage regulator is suitable for a variety of applications, including:

   • Power supplies for microcontrollers and digital signal processors
   • Battery chargers
   • Automotive electronics
   • Industrial control systems
   • Telecommunications equipment

Electrical Characteristics:

• Output Current: Up to 1A
• Output Voltage Tolerance: Typically ±2%
• Quiescent Current: Low quiescent current helps in battery-powered applications.
• Ripple Rejection: Good ripple rejection performance ensures a clean output voltage.

Additional Information:

• Pin Configuration: The device features pins for input voltage, ground, output voltage, and feedback, allowing for straightforward integration into various circuit designs.
• Thermal Resistance: The TO-220 package provides good thermal performance, which is essential for maintaining efficiency and reliability in high-load applications.

Overall, the LM2675N-3.3/NOPB is a versatile and efficient voltage regulator that meets the needs of modern electronic designs, providing reliable power conversion with minimal space and component requirements.