Texas Instruments

LM5140QRWGTQ1  

DC DC Switching Controllers

The LM5140QRWGTQ1 is a high-efficiency synchronous step-down (buck) regulator from Texas Instruments. It is designed to provide a highly efficient and compact solution for power management in a wide range of applications.

Description:

The LM5140QRWGTQ1 is a highly integrated synchronous step-down regulator that operates from an input voltage range of 4.5V to 22V and can deliver an output voltage as low as 0.9V. It features a wide range of output current capabilities, making it suitable for a variety of applications.

Features:

1. High Efficiency: The LM5140QRWGTQ1 offers high efficiency of up to 96%, which helps to minimize power dissipation and reduce the need for heat sinks or other cooling solutions.
2. Synchronous Rectification: The device uses synchronous rectification to improve efficiency and reduce switching losses.
3. Wide Input Voltage Range: The LM5140QRWGTQ1 can operate from an input voltage range of 4.5V to 22V, making it suitable for a wide range of power supply applications.
4. Programmable Output Voltage: The output voltage can be programmed using an external resistor, allowing for customization to specific application requirements.
5. Protection Features: The device includes over-current protection, over-temperature protection, and thermal shutdown to ensure reliable operation and protect against fault conditions.
6. Small Form Factor: The LM5140QRWGTQ1 is available in a compact 20-pin QFN package, making it suitable for space-constrained applications.

Applications:

The LM5140QRWGTQ1 is suitable for a wide range of applications that require efficient and reliable power management. Some of the potential applications include:

1. Industrial and Medical Equipment: The high efficiency and programmable output voltage make the LM5140QRWGTQ1 suitable for powering industrial and medical equipment.
2. Telecommunications: The device can be used in telecommunications equipment, such as routers and switches, to provide efficient power management.
3. Consumer Electronics: The LM5140QRWGTQ1 can be used in a variety of consumer electronics applications, such as smartphones, tablets, and laptops, to provide efficient power management.
4. Automotive: The device can be used in automotive applications, such as infotainment systems and power management systems, to provide efficient and reliable power management.
5. Renewable Energy: The LM5140QRWGTQ1 can be used in renewable energy applications, such as solar power systems, to provide efficient power management and improve overall system efficiency.

Overall, the LM5140QRWGTQ1 is a highly efficient and versatile step-down regulator that can be used in a wide range of applications requiring efficient power management. Its features, such as high efficiency, synchronous rectification, and protection features, make it a reliable choice for various applications.

LM5140QRWGTQ1 Documents

Download datasheets and manufacturer documentation for LM5140QRWGTQ1

Datasheets :

LM5140-Q1 Datasheet      

HTML Datasheet :

LM5140-Q1 Datasheet      

PCN Design/Specification :

LM5140yy DataSheet Update 6/Jan/2017