Texas Instruments

LMR62421XMFX/NOPB  

DC Switching Voltage Regulators

The LMR62421XMFX/NOPB is a highly integrated step-down switching regulator from Texas Instruments. It is designed to provide efficient and compact power conversion solutions for a wide range of applications.

Description:

The LMR62421XMFX/NOPB is a synchronous step-down regulator with an input voltage range of 4.75V to 22V and an output voltage range of 0.9V to 5.5V. It can deliver up to 2A of continuous output current and features a compact 5mm x 6mm QFN package.

Features:

1. High Efficiency: The LMR62421XMFX/NOPB offers high efficiency of up to 93%, making it suitable for power-sensitive applications.
2. Wide Input Voltage Range: The regulator can handle input voltages from 4.75V to 22V, making it versatile for different power supply scenarios.
3. Programmable Output Voltage: The output voltage can be programmed using an external resistor divider, providing flexibility for different output voltage requirements.
4. High-Frequency Operation: The regulator operates at a high frequency of up to 2MHz, allowing for smaller external component sizes and more compact designs.
5. Low Quiescent Current: The LMR62421XMFX/NOPB has a low quiescent current of 35µA in normal operation and 1.5µA in power-save mode, contributing to low power consumption.
6. Protection Features: The device includes over-current protection, over-temperature protection, and output short-circuit protection to ensure reliable operation.

Applications:

1. Portable Devices: The LMR62421XMFX/NOPB is ideal for powering portable devices such as smartphones, tablets, and wearables, where efficiency and compact size are crucial.
2. Industrial Equipment: The regulator can be used in industrial equipment that requires a stable and efficient power supply, such as sensors, controllers, and motor drivers.
3. Medical Devices: The LMR62421XMFX/NOPB can be used in battery-powered medical devices, where efficiency and reliability are essential.
4. Consumer Electronics: The regulator is suitable for various consumer electronics applications, including power supplies for cameras, gaming consoles, and home automation systems.
5. Automotive Applications: The LMR62421XMFX/NOPB can be used in automotive applications, such as infotainment systems, where a stable and efficient power supply is required.

In summary, the LMR62421XMFX/NOPB from Texas Instruments is a highly efficient and versatile step-down switching regulator suitable for a wide range of applications, including portable devices, industrial equipment, medical devices, consumer electronics, and automotive applications. Its high efficiency, wide input voltage range, programmable output voltage, and compact size make it an excellent choice for designers looking for a reliable and efficient power conversion solution.

LMR62421XMFX/NOPB Documents

Download datasheets and manufacturer documentation for LMR62421XMFX/NOPB

PCN Assembly/Origin :

Additional Assembly sites 21/Sep/2021      

Datasheets :

LMR62421 Datasheet      

PCN Packaging :

Pin One Dot 07/Jan/2019      

Reference Design Library :

LMR62421XSDDEMO: 12V @ 500mA, 2.7 ~ 5.5V in      

Design Resources :

LMR62421X Design with WEBENCH® Power Designer      

Other Related Documents :

Power Management Guide      

HTML Datasheet :

LMR62421 Datasheet