LM25017SDX/NOPB

The LM25017SDX/NOPB is a high-performance step-down voltage regulator from Texas Instruments, designed for a variety of applications requiring efficient power management. This device is part of the LM25017 family, which is known for its ability to deliver high output current while maintaining a compact footprint.

Key Features:

1. Input Voltage Range: The LM25017SDX/NOPB can operate over a wide input voltage range, typically from 4.5V to 60V, making it suitable for various power supply applications, including automotive and industrial systems.

2. Output Current: It is capable of delivering up to 1.5A of continuous output current, which is ideal for powering microcontrollers, sensors, and other peripheral devices.

3. Switching Frequency: The device operates at a fixed switching frequency of 1.2 MHz, which helps in reducing the size of external components such as inductors and capacitors, thus allowing for a more compact design.

4. Efficiency: The LM25017SDX/NOPB boasts high efficiency, often exceeding 90%, which minimizes heat generation and improves overall system reliability.

5. Integrated Features: This regulator includes several integrated features such as:

   • Internal Power MOSFETs: Reducing the need for external components and simplifying the design.
   • Compensation Network: Built-in compensation simplifies the design process and enhances stability.
   • Soft-Start Functionality: This feature helps to limit inrush current during startup, protecting sensitive components.

6. Thermal Protection: The device includes thermal shutdown and current limit features to protect against overheating and overcurrent conditions, ensuring safe operation under various load conditions.

7. Package Type: The LM25017SDX/NOPB is available in a compact 8-pin HTSSOP (Thermal Enhanced Thin Shrink Small Outline Package), which aids in thermal management and allows for a smaller PCB footprint.

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

   • Automotive power supplies
   • Industrial automation
   • Telecommunications
   • Battery-powered devices
   • Point-of-load (POL) converters

Electrical Characteristics:

• Output Voltage: Adjustable output voltage range typically from 0.8V to 15V.
• Quiescent Current: Low quiescent current in the order of microamperes, which is beneficial for battery-operated devices.
• Line Regulation: Excellent line regulation performance, ensuring stable output voltage despite variations in input voltage.

Conclusion:

The LM25017SDX/NOPB from Texas Instruments is a versatile and efficient step-down voltage regulator that combines high performance with a compact design. Its wide input voltage range, high output current capability, and integrated features make it an excellent choice for a variety of power management applications, particularly where space and efficiency are critical.