Texas Instruments

LMR14203XMK/NOPB  

DC Switching Voltage Regulators

The LMR14203XMK/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 LMR14203XMK/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 has a wide range of features and is available in a small, thermally enhanced 20-pin QFN package.

Features:

1. High Efficiency: The LMR14203XMK/NOPB offers high efficiency of up to 93%, making it suitable for power-sensitive applications.
2. Wide Input Voltage Range: The regulator can accept input voltages from 4.75V to 22V, making it suitable for a wide range of power sources.
3. Programmable Output Voltage: The output voltage can be programmed using an external resistor divider, allowing for flexibility in system design.
4. High-Frequency Operation: The regulator operates at a high frequency of up to 1.5MHz, allowing for the use of smaller external components and more compact designs.
5. Low Quiescent Current: The LMR14203XMK/NOPB has a low quiescent current of 35µA in normal operation mode, which helps to minimize power consumption in battery-powered applications.
6. Protection Features: The regulator includes over-current protection, over-temperature protection, and output short-circuit protection to ensure reliable operation.

Applications:

The LMR14203XMK/NOPB is suitable for a wide range of applications, including:

1. Portable Electronics: Due to its high efficiency and low quiescent current, the LMR14203XMK/NOPB is ideal for use in portable electronic devices such as smartphones, tablets, and wearable devices.
2. Industrial Equipment: The regulator's wide input voltage range and high efficiency make it suitable for use in industrial equipment that requires stable power conversion.
3. Medical Devices: The LMR14203XMK/NOPB's programmable output voltage and protection features make it suitable for use in medical devices that require precise voltage regulation.
4. Automotive Applications: The regulator's wide input voltage range and high efficiency make it suitable for use in automotive applications, such as infotainment systems and power management systems.

Overall, the LMR14203XMK/NOPB is a versatile and efficient step-down switching regulator that offers a range of features and is suitable for a wide range of applications.

LMR14203XMK/NOPB Documents

Download datasheets and manufacturer documentation for LMR14203XMK/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