Texas Instruments

LM5146RGYR  

DC DC Switching Controllers

The LM5146RGYR is a high-efficiency step-down switching regulator from Texas Instruments. It is designed to provide a stable output voltage from a wide input voltage range, making it suitable for a variety of applications.

Description:

The LM5146RGYR is a highly integrated synchronous step-down converter that offers high efficiency and high-density solutions. It features a wide input voltage range of 4.5V to 23V and can deliver an output current of up to 3A. The device is available in a compact 10mm x 12mm RoHS-compliant QFN package.

Features:

1. High efficiency: The LM5146RGYR offers high efficiency of up to 95%, which helps reduce power dissipation and improve overall system performance.
2. Wide input voltage range: The device can operate from a wide input voltage range of 4.5V to 23V, making it suitable for a variety of applications.
3. High output current: The LM5146RGYR can deliver an output current of up to 3A, making it suitable for high-current applications.
4. Small form factor: The device is available in a compact 10mm x 12mm QFN package, which helps save space on the printed circuit board (PCB).
5. Synchronous rectification: The LM5146RGYR uses synchronous rectification, which improves efficiency and reduces power dissipation.
6. Programmable soft-start: The device features a programmable soft-start function, which helps reduce inrush current and minimize output voltage overshoot during startup.
7. Protection features: The LM5146RGYR includes various protection features such as over-current protection, over-temperature protection, and output short-circuit protection.

Applications:

The LM5146RGYR is suitable for a wide range of applications that require a high-efficiency, high-density step-down converter. Some of the key applications include:

1. Portable devices: The LM5146RGYR can be used in portable devices such as smartphones, tablets, and wearable devices to provide a stable output voltage from a battery or other power sources.
2. Industrial equipment: The device can be used in industrial equipment such as motor drives, sensors, and control systems to provide a stable power supply.
3. LED lighting: The LM5146RGYR can be used in LED lighting applications to provide a stable output voltage and improve overall system efficiency.
4. Telecom equipment: The device can be used in telecom equipment such as routers, switches, and base stations to provide a stable power supply.
5. Medical equipment: The LM5146RGYR can be used in medical equipment such as patient monitors, diagnostic equipment, and surgical instruments to provide a stable power supply.

In summary, the LM5146RGYR is a high-efficiency step-down switching regulator from Texas Instruments that offers a wide input voltage range, high output current, and a compact form factor. It is suitable for a variety of applications that require a stable output voltage and high efficiency.

LM5146RGYR Documents

Download datasheets and manufacturer documentation for LM5146RGYR

PCN :

Product Change Notification (PDF)       Product Change Notification 2024-06-04 (PDF)