Texas Instruments

LMR14203XMKX/NOPB  

DC Switching Voltage Regulators

The LMR14203XMKX/NOPB is a highly integrated step-down switching regulator from Texas Instruments. It is designed to provide efficient and stable power conversion for a wide range of applications.

Description:

The LMR14203XMKX/NOPB is a synchronous step-down switching regulator with an input voltage range of 4.75V to 22V and an output voltage range of 0.9V to 5.5V. It has a typical output current of 3A and a typical efficiency of up to 94%. The device is available in a 20-pin 3mm x 4mm WQFN package.

Features:

1. High Efficiency: The LMR14203XMKX/NOPB offers high efficiency of up to 94%, which helps to minimize power dissipation and improve overall system performance.
2. Wide Input Voltage Range: The device can accept an input voltage range of 4.75V to 22V, making it suitable for a wide range of power supply applications.
3. Low Output Voltage: The output voltage range of 0.9V to 5.5V allows for flexible power conversion for various applications.
4. High Output Current: The typical output current of 3A makes it suitable for applications that require high current.
5. Synchronous Rectification: The device uses synchronous rectification, which improves efficiency and reduces power loss.
6. Protection Features: The LMR14203XMKX/NOPB includes over-current protection, over-temperature protection, and output short-circuit protection to ensure safe and reliable operation.
7. Small Package Size: The compact 20-pin 3mm x 4mm WQFN package makes it suitable for space-constrained applications.

Applications:

1. Portable Devices: The LMR14203XMKX/NOPB is ideal for powering portable devices such as smartphones, tablets, and wearables.
2. Industrial Equipment: The device can be used in industrial equipment that requires efficient power conversion, such as motor drives and control systems.
3. Medical Devices: The LMR14203XMKX/NOPB can be used in medical devices that require stable and efficient power supply, such as diagnostic equipment and patient monitoring systems.
4. Automotive Applications: The device is suitable for automotive applications that require efficient power conversion, such as infotainment systems and advanced driver-assistance systems (ADAS).
5. Networking and Communication Equipment: The LMR14203XMKX/NOPB can be used in networking and communication equipment, such as routers, switches, and base stations, to provide efficient power conversion.

In summary, the LMR14203XMKX/NOPB is a highly efficient and versatile step-down switching regulator from Texas Instruments that offers a wide input voltage range, low output voltage, high output current, and various protection features. It is suitable for a wide range of applications, including portable devices, industrial equipment, medical devices, automotive applications, and networking and communication equipment.

LMR14203XMKX/NOPB Documents

Download datasheets and manufacturer documentation for LMR14203XMKX/NOPB

PCN Assembly/Origin :

Wafer Fab Qualification 07/Oct/2014      

Datasheets :

LMR14203      

Reference Design Library :

LMR14203XMKDEMO: 1.2V @ 300mA, 4.5 ~ 42V in      

Design Resources :

LMR14203X Design with WEBENCH® Power Designer      

HTML Datasheet :

LMR14203      

PCN Design/Specification :

Pin 1 Dot Mark Revison A 30/Jan/2015       Pin 1 Dot Marking Update 01/Jan/2015