Texas Instruments

LM25118Q1MHX/NOPB  

DC DC Switching Controllers

The LM25118Q1MHX/NOPB is a highly integrated step-down (buck) converter from Texas Instruments. This device is designed to provide efficient and precise voltage regulation for a wide range of applications. Here's a brief description, features, and applications of the LM25118Q1MHX/NOPB:

Description:

The LM25118Q1MHX/NOPB is a synchronous step-down converter with an input voltage range of 4.5V to 22V and an output voltage range of 0.8V to 12V. It is available in a compact 10-pin, 3mm x 3mm WQFN package, making it suitable for space-constrained applications.

Features:

1. High efficiency: The LM25118Q1MHX/NOPB offers high efficiency of up to 95%, which helps reduce power dissipation and improve overall system performance.
2. Wide input voltage range: The device can handle input voltages from 4.5V to 22V, making it suitable for various power supply scenarios.
3. Programmable output voltage: The output voltage can be easily programmed using external resistors, providing flexibility for different applications.
4. High-frequency operation: The device operates at a high switching frequency of up to 2MHz, allowing for the use of smaller external components and reducing solution size.
5. Synchronous rectification: The LM25118Q1MHX/NOPB uses synchronous rectification, which improves efficiency and reduces heat generation.
6. Integrated power MOSFETs: The device features integrated N-channel power MOSFETs, eliminating the need for external MOSFETs and simplifying the design.
7. Protection features: The converter includes over-current protection (OCP), over-voltage protection (OVP), and thermal shutdown (TSD) to ensure reliable operation and protection against fault conditions.
8. Spread spectrum: The device offers spread spectrum frequency modulation to reduce electromagnetic interference (EMI) and improve system reliability.

Applications:

1. Portable devices: The LM25118Q1MHX/NOPB is ideal for powering portable electronics such as smartphones, tablets, and wearable devices.
2. Industrial applications: The device can be used in industrial equipment, where efficient and reliable voltage regulation is required.
3. Automotive systems: The LM25118Q1MHX/NOPB can be used in automotive applications, such as infotainment systems and advanced driver-assistance systems (ADAS), where high efficiency and robust protection features are essential.
4. Medical devices: The device is suitable for powering medical equipment, where precise voltage regulation and protection features are crucial.
5. Power banks and USB charging: The LM25118Q1MHX/NOPB can be used in power banks and USB charging applications, providing efficient power conversion and regulation.

In summary, the LM25118Q1MHX/NOPB is a versatile and efficient step-down converter from Texas Instruments, suitable for a wide range of applications, including portable devices, industrial equipment, automotive systems, medical devices, and power banks. Its high efficiency, programmable output voltage, and integrated features make it an attractive choice for designers looking for a compact and reliable power solution.

LM25118Q1MHX/NOPB Documents

Download datasheets and manufacturer documentation for LM25118Q1MHX/NOPB

PCN Assembly/Origin :

ABCD150 09/Dec/2016      

Datasheets :

LM25118(Q)      

Design Resources :

LM25118-Q1 Design with WEBENCH® Power Designer      

HTML Datasheet :

LM25118(Q)      

PCN Design/Specification :

LM5118-Q1/LM25118-Q1 14/Jul/2017