Texas Instruments

LM25066APSQ/NOPB

The LM25066APSQ/NOPB is a high-efficiency, synchronous, step-down (buck) switching regulator from Texas Instruments. This device is designed to provide a highly efficient and stable voltage conversion solution for a wide range of applications. Here's a brief description, features, and applications of the LM25066APSQ/NOPB:

Description:

The LM25066APSQ/NOPB is a monolithic step-down switching regulator that features a wide input voltage range, high efficiency, and excellent thermal performance. It is available in a compact QFN package, making it suitable for space-constrained applications.

Features:

1. Wide input voltage range: The LM25066APSQ/NOPB can operate with an input voltage range of 4.75V to 22V, making it suitable for various power supply sources.
2. High efficiency: The device offers high efficiency up to 95%, depending on the input voltage and output current requirements.
3. Synchronous rectification: The LM25066APSQ/NOPB uses synchronous rectification, which reduces the power dissipation and improves efficiency, especially at higher input voltages.
4. Programmable output voltage: The output voltage can be adjusted using an external resistor divider, providing flexibility for different output voltage requirements.
5. Thermal protection: The device includes thermal shutdown and over-temperature protection features to ensure safe operation and prevent damage due to overheating.
6. Small form factor: The LM25066APSQ/NOPB is available in a compact 20-pin 3x3mm QFN package, making it suitable for space-constrained applications.
7. Low quiescent current: The device has a low quiescent current of 35µA in normal operation, which helps to minimize power consumption during light load conditions.

Applications:

1. Portable devices: The LM25066APSQ/NOPB can be used in portable electronics such as smartphones, tablets, and wearable devices to provide efficient power conversion for the battery.
2. Power supplies: The device can be used in compact power supply applications, such as USB power banks, where efficiency and size are critical.
3. Industrial equipment: The LM25066APSQ/NOPB can be used in industrial equipment that requires a stable and efficient voltage conversion solution.
4. Automotive applications: The device can be used in automotive applications, such as infotainment systems and advanced driver-assistance systems (ADAS), where efficiency and thermal performance are important.
5. Medical devices: The LM25066APSQ/NOPB can be used in medical devices that require a stable and efficient power supply, such as portable medical instruments and wearable health monitors.

In summary, the LM25066APSQ/NOPB is a versatile and efficient step-down switching regulator from Texas Instruments, suitable for a wide range of applications where high efficiency, thermal performance, and a small form factor are required.