Texas Instruments

LMR54406FDBVR  

DC Switching Voltage Regulators

The LMR54406FDBVR is a high-efficiency synchronous step-down regulator from Texas Instruments. It is designed to provide a highly efficient and compact power solution for a wide range of applications.

Description:

The LMR54406FDBVR is a synchronous step-down regulator that uses a constant-on-time control scheme to regulate the output voltage. It has a wide input voltage range of 4.75V to 22V and can deliver up to 3A of output current. The device features a low quiescent current of 35µA in standby mode, making it ideal for battery-powered applications.

Features:

1. High Efficiency: The LMR54406FDBVR has a high efficiency of up to 93%, which helps reduce power consumption and improve system performance.
2. Wide Input Voltage Range: The device can operate with an input voltage range of 4.75V to 22V, making it suitable for a wide range of applications.
3. Low Quiescent Current: The low quiescent current of 35µA in standby mode makes it ideal for battery-powered applications.
4. Synchronous Rectification: The device uses synchronous rectification to improve efficiency and reduce heat dissipation.
5. Programmable Soft Start: The soft start feature allows for a controlled ramp-up of the output voltage during power-up, which can help prevent inrush current and reduce output voltage overshoot.
6. Protection Features: The LMR54406FDBVR includes over-current protection, over-voltage protection, and thermal shutdown protection to ensure safe and reliable operation.

Applications:

The LMR54406FDBVR is suitable for a wide range of applications that require efficient and compact power regulation. Some of the common applications include:

1. Portable Electronics: The device can be used to power portable electronic devices such as smartphones, tablets, and wearable devices.
2. Industrial Equipment: The LMR54406FDBVR can be used in industrial equipment that requires efficient power regulation, such as motor controllers and sensor interfaces.
3. Medical Devices: The device can be used in medical devices that require a stable and efficient power supply, such as portable medical instruments and wearable health monitors.
4. Consumer Electronics: The LMR54406FDBVR can be used in consumer electronics such as laptops, cameras, and gaming consoles to provide efficient power regulation.
5. Automotive Applications: The device can be used in automotive applications that require efficient power regulation, such as infotainment systems and advanced driver-assistance systems (ADAS).

In summary, the LMR54406FDBVR is a highly efficient synchronous step-down regulator from Texas Instruments that offers a wide input voltage range, low quiescent current, and various protection features. It is suitable for a wide range of applications, including portable electronics, industrial equipment, medical devices, consumer electronics, and automotive applications.

LMR54406FDBVR Documents

Download datasheets and manufacturer documentation for LMR54406FDBVR

PCN Assembly/Origin :

Assembly Material 13/Jul/2023      

Datasheets :

LMR544xy