Texas Instruments

LM5141QRGERQ1  

DC DC Switching Controllers

The LM5141QRGERQ1 is a high-efficiency step-down switching regulator from Texas Instruments. It is designed to provide a stable output voltage from a wide range of input voltages. Here is a brief description of the model, its features, and applications:

Description:

The LM5141 is a monolithic step-down switching regulator that uses a current mode architecture. It is capable of delivering a high output current with excellent load and line regulation. The device is available in a small QFN package, making it suitable for space-constrained applications.

Features:

1. High Efficiency: The LM5141 offers high efficiency of up to 98%, which makes it suitable for power-sensitive applications.
2. Wide Input Voltage Range: It can operate from a wide input voltage range of 4.5V to 60V, making it suitable for a variety of power sources.
3. High Output Current: The device can deliver a high output current of up to 3A, making it suitable for applications that require high power.
4. Small Package: The LM5141 is available in a small QFN package, which makes it suitable for space-constrained applications.
5. Low Quiescent Current: The device has a low quiescent current of 35µA in burst mode, which helps to minimize power consumption during light load conditions.
6. Programmable Soft Start: The soft start can be programmed to reduce inrush current and minimize output voltage overshoot during startup.
7. Protection Features: The LM5141 includes various protection features such as over-current protection, over-temperature protection, and output short-circuit protection.

Applications:

The LM5141 is suitable for a wide range of applications that require a high-efficiency step-down regulator. Some of the applications include:

1. Portable Devices: The high efficiency and low quiescent current make it suitable for portable devices such as smartphones, tablets, and wearables.
2. Industrial Equipment: The wide input voltage range and high output current make it suitable for industrial equipment that requires a stable power supply.
3. LED Lighting: The LM5141 can be used to drive high-power LEDs in lighting applications.
4. Medical Devices: The device's small size and high efficiency make it suitable for medical devices that require a stable and efficient power supply.
5. Telecom Equipment: The LM5141 can be used in telecom equipment that requires a stable and efficient power supply.

In summary, the LM5141QRGERQ1 is a high-efficiency step-down switching regulator from Texas Instruments that offers a wide input voltage range, high output current, and various protection features. It is suitable for a variety of applications that require a stable and efficient power supply.

LM5141QRGERQ1 Documents

Download datasheets and manufacturer documentation for LM5141QRGERQ1

PCN Assembly/Origin :

Assembly and Test Site 15/Nov/2021      

Datasheets :

LM5141-Q1 Datasheet      

Design Resources :

LM5141 Design Calculator      

HTML Datasheet :

LM5141-Q1 Datasheet      

PCN Design/Specification :

LM5141-Q1 08/Mar/2017       LM5141-Q1 Datasheet Update 12/Feb/2018