LM25017SD/NOPB

The LM25017SD/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 LM25017SD/NOPB can operate over a wide input voltage range, typically from 4.5V to 60V, making it suitable for a variety of 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, typically around 300 kHz, which helps in reducing the size of external components such as inductors and capacitors.

4. Efficiency: The LM25017SD/NOPB is designed for high efficiency, often exceeding 90% under typical load conditions. This efficiency minimizes heat generation and improves overall system reliability.

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

   • Internal Switches: It has built-in high-side and low-side MOSFETs, which reduce the need for external components and simplify the design.
   • Compensation Network: The device includes an internal compensation network that stabilizes the control loop, allowing for easier implementation in various applications.
   • Soft Start: A soft-start feature helps to limit inrush current during startup, protecting both the regulator and the load.

6. Thermal Protection: The LM25017SD/NOPB includes thermal shutdown protection, which prevents damage in case of overheating, ensuring reliable operation under varying load conditions.

7. Package Type: The device is available in a surface-mount package (SOP-8), which is compact and suitable for space-constrained applications.

8. Applications: Common applications for the LM25017SD/NOPB include:

   • Power supplies for automotive electronics
   • Industrial control systems
   • Point-of-load (POL) converters
   • Battery-powered devices

Electrical Characteristics:

• Output Voltage: Adjustable output voltage, typically set using external resistors.
• Quiescent Current: Low quiescent current in standby mode, enhancing battery life in portable applications.
• Load Regulation: Excellent load regulation characteristics, ensuring stable output voltage under varying load conditions.

Conclusion:

The LM25017SD/NOPB from Texas Instruments is a versatile and efficient step-down voltage regulator that combines high performance with ease of use. Its wide input voltage range, high output current capability, and integrated features make it an excellent choice for a variety of power management applications. Whether in automotive, industrial, or consumer electronics, this device provides reliable and efficient power conversion solutions.