Texas Instruments

LM4431M3-2.5/NOPB  

Voltage References

The LM4431M3-2.5/NOPB is a high-efficiency synchronous step-down (buck) regulator from Texas Instruments. It is designed to provide a stable and regulated output voltage from a higher input voltage source. Here's a brief description of the model, its features, and potential applications:

Description:

The LM4431M3-2.5/NOPB is a member of the LM4431 family of regulators, which are designed for high-efficiency power conversion. The "M3" in the model number indicates that it is a third-generation device, which typically means it has improved performance or features compared to earlier generations. The "2.5" refers to the output voltage rating, which is 2.5V in this case. The "/NOPB" indicates that the package is a bare die, which means it is not enclosed in a plastic package and is intended for use in applications where the die will be integrated into a custom package or directly onto a printed circuit board.

Features:

1. High Efficiency: The LM4431M3-2.5/NOPB is designed for high efficiency, which means it can convert input power to output power with minimal energy loss. This is particularly important in battery-powered applications where energy efficiency can extend battery life.
2. Synchronous Rectification: This feature allows the regulator to use the same MOSFETs for both the high-side and low-side switching, which can improve efficiency and reduce component count.
3. Output Voltage: The device is rated for an output voltage of 2.5V, which makes it suitable for a wide range of applications that require this specific voltage level.
4. Wide Input Voltage Range: The regulator can handle a wide range of input voltages, making it versatile for different power supply scenarios.
5. Protection Features: It includes various protection features such as over-current protection, over-temperature protection, and thermal shutdown to ensure safe operation.
6. Small Footprint: Being available as a bare die, it allows for a compact design in the final application, which is beneficial for space-constrained designs.

Applications:

1. Portable Electronics: Due to its efficiency and small footprint, the LM4431M3-2.5/NOPB is well-suited for portable devices where battery life and physical size are critical.
2. Power Supplies: It can be used in power supply applications where a stable 2.5V output is required.
3. Telecommunications: In equipment where reliability and efficiency are key, the LM4431M3-2.5/NOPB can provide a stable power source.
4. Industrial Control Systems: For systems that require a regulated voltage supply, this regulator can ensure consistent performance.
5. Medical Devices: In medical equipment where precision and reliability are paramount, the LM4431M3-2.5/NOPB can provide a stable power source.

When using the LM4431M3-2.5/NOPB, it's important to follow the manufacturer's guidelines for proper integration and operation to ensure the device performs as intended.

LM4431M3-2.5/NOPB Documents

Download datasheets and manufacturer documentation for LM4431M3-2.5/NOPB

PCN Assembly/Origin :

Wafer Fab site 11/Oct/2018      

Datasheets :

LM4431      

PCN Packaging :

Pin One Dot 07/Jan/2019      

PCN Design/Specification :

Cu Wire Bond 14/May/2013