LM2587T-12/NOPB

The LM2587T-12/NOPB is a high-performance voltage regulator manufactured by Texas Instruments. It is designed to provide a stable output voltage of 12V, making it suitable for various applications, including power management in industrial, automotive, and consumer electronics.

Key Features:

1. Output Voltage: The LM2587T-12/NOPB specifically outputs a regulated voltage of 12V, which is ideal for powering devices that require a consistent voltage supply.

2. Input Voltage Range: This device can accept a wide input voltage range, typically from 5V to 40V, allowing it to be used in diverse applications where the input voltage may vary.

3. Output Current: The regulator can deliver up to 3A of output current, making it capable of powering devices with moderate to high current requirements.

4. Efficiency: The LM2587T-12/NOPB is designed for high efficiency, often exceeding 85%, which helps in reducing heat generation and improving overall system reliability.

5. Switching Frequency: It operates at a fixed switching frequency of 150 kHz, which helps in minimizing the size of external components such as inductors and capacitors.

6. Thermal Protection: The device includes built-in thermal shutdown features to protect against overheating, ensuring safe operation under various load conditions.

7. Package Type: The LM2587T-12/NOPB is available in a TO-220 package, which provides good thermal performance and ease of mounting on PCBs.

8. No External Compensation Required: The design of the LM2587T-12/NOPB allows for stable operation without the need for external compensation components, simplifying the design process for engineers.

9. Applications: Common applications include power supplies for desktop computers, automotive electronics, and other systems requiring a reliable 12V power source.

10. Lead-Free: The “NOPB” designation indicates that the part is lead-free, complying with environmental regulations such as RoHS.

Electrical Characteristics:

• Input Voltage (Vin): 5V to 40V
• Output Voltage (Vout): 12V
• Output Current (Iout): Up to 3A
• Switching Frequency: 150 kHz
• Efficiency: Typically >85%
• Thermal Shutdown: Yes

Conclusion:

The LM2587T-12/NOPB from Texas Instruments is a robust and efficient voltage regulator that provides a reliable 12V output for a variety of applications. Its combination of high current capability, wide input voltage range, and built-in protection features make it an excellent choice for engineers looking to design reliable power supply solutions.