Texas Instruments

LMR54406DBVR  

DC Switching Voltage Regulators

The LMR54406DBVR is a high-efficiency synchronous step-down regulator from Texas Instruments. It is designed to provide a compact and efficient solution for converting input voltages as high as 28V to a lower output voltage with high efficiency and low external component count.

Description:

The LMR54406DBVR is a synchronous step-down regulator that uses a constant on-time control scheme to regulate the output voltage. It features a wide input voltage range of 4.5V to 28V and can deliver up to 3A of output current. The device is available in a compact 10-pin DFN package.

Features:

• High efficiency: The LMR54406DBVR offers high efficiency of up to 93%, making it ideal for battery-powered applications.
• Wide input voltage range: The device can operate from input voltages as low as 4.5V and as high as 28V, making it suitable for a wide range of applications.
• Low external component count: The device requires a minimal number of external components, reducing the overall system cost and complexity.
• Programmable soft-start: The soft-start feature can be programmed to reduce inrush current and minimize output voltage overshoot during startup.
• Protection features: The LMR54406DBVR includes over-current protection, over-temperature protection, and output short-circuit protection to ensure reliable operation.

Applications:

The LMR54406DBVR is suitable for a wide range of applications that require efficient step-down voltage conversion, including:

1. Portable devices: The high efficiency and low input voltage range make it ideal for use in battery-powered devices such as smartphones, tablets, and wearables.
2. Industrial equipment: The device can be used in industrial applications where efficient power conversion is required, such as in motor drives and control systems.
3. LED lighting: The LMR54406DBVR can be used to power LED lighting systems, providing efficient and reliable power conversion.
4. Medical devices: The device's small form factor and high efficiency make it suitable for use in battery-powered medical devices, such as hearing aids and portable medical instruments.

In summary, the LMR54406DBVR is a high-efficiency synchronous step-down regulator from Texas Instruments that offers a compact and efficient solution for converting input voltages as high as 28V to a lower output voltage. Its wide input voltage range, high efficiency, and low external component count make it suitable for a wide range of applications, including portable devices, industrial equipment, LED lighting, and medical devices.

LMR54406DBVR Documents

Download datasheets and manufacturer documentation for LMR54406DBVR

PCN Assembly/Origin :

Assembly Material 13/Jul/2023      

Datasheets :

LMR544xy