Texas Instruments

LMQ66420R5RXBR  

DC Switching Voltage Regulators

LMQ66420R5RXBR Description

The LMQ66420R5RXBR is a high-performance buck regulator designed by Texas Instruments, offering a robust solution for power management applications. This IC features an adjustable output voltage with a range from 1V to 18V, making it highly versatile for various electronic systems. The regulator supports a wide input voltage range from 3V to 36V, ensuring compatibility with diverse power sources. With a maximum output current of 2A, the LMQ66420R5RXBR is capable of efficiently powering demanding applications while maintaining a positive output configuration.

The regulator operates within a switching frequency range of 200kHz to 2.2MHz, providing flexibility in optimizing for either high efficiency or minimal output ripple. The inclusion of a synchronous rectifier enhances efficiency and reduces power loss, making it ideal for applications where energy efficiency is critical. The LMQ66420R5RXBR is packaged in a 14VQFN format, suitable for surface mount and wettable flank mounting types, ensuring ease of integration into compact designs.

LMQ66420R5RXBR Features

• Adjustable Output Voltage: The LMQ66420R5RXBR offers an adjustable output voltage range from 1V to 18V, providing flexibility to meet the specific requirements of various applications.
• Wide Input Voltage Range: With an input voltage range of 3V to 36V, this regulator can accommodate a broad spectrum of power sources, enhancing its versatility.
• High Output Current: Capable of delivering up to 2A of output current, the LMQ66420R5RXBR ensures reliable power delivery to demanding loads.
• Efficient Synchronous Rectification: The inclusion of a synchronous rectifier improves efficiency and reduces power loss, making it suitable for energy-sensitive applications.
• Flexible Switching Frequency: Operating within a frequency range of 200kHz to 2.2MHz, the regulator allows for optimization between efficiency and output ripple.
• Surface Mount Compatibility: The 14VQFN package supports surface mount and wettable flank mounting types, facilitating integration into compact and space-constrained designs.
• Compliance and Reliability: The LMQ66420R5RXBR is REACH unaffected and RoHS3 compliant, ensuring environmental sustainability and regulatory compliance. It also features a moisture sensitivity level (MSL) of 2 (1 Year), enhancing its reliability in various environmental conditions.

LMQ66420R5RXBR Applications

The LMQ66420R5RXBR is well-suited for a variety of applications that demand efficient power management solutions. Its wide input voltage range and adjustable output make it ideal for:

• Consumer Electronics: Powering devices such as smartphones, tablets, and portable gaming consoles where compact design and energy efficiency are crucial.
• Industrial Equipment: Providing reliable power to control systems, sensors, and actuators in industrial environments.
• Telecommunications: Ensuring stable power supply to base stations, routers, and other communication infrastructure.
• Automotive Electronics: Meeting the stringent power requirements of modern automotive systems, including infotainment, advanced driver assistance systems (ADAS), and electric vehicle (EV) components.

Conclusion of LMQ66402R5RXBR

The LMQ66420R5RXBR from Texas Instruments stands out as a versatile and efficient power management solution. Its wide input and output voltage ranges, combined with a high output current capability and efficient synchronous rectification, make it a reliable choice for a variety of applications. The regulator's compliance with environmental and regulatory standards further enhances its appeal in today's market. Whether powering consumer devices, industrial equipment, or automotive systems, the LMQ66420R5RXBR delivers the performance and reliability needed to meet the demands of modern electronics.

LMQ66420R5RXBR Documents

Download datasheets and manufacturer documentation for LMQ66420R5RXBR