STMicroelectronics

L6981C50DR  

DC Switching Voltage Regulators

L6981C50DR Description

The L6981C50DR is a high-performance, fixed-output voltage regulator from STMicroelectronics, designed for applications requiring efficient power management. This device operates within an input voltage range of 3.5V to 38V, providing a stable 5V output at a maximum current of 1.5A. The L6981C50DR features a buck topology with a switching frequency of 400kHz, ensuring efficient power conversion and minimal loss. The regulator is equipped with a synchronous rectifier, enhancing its efficiency and making it suitable for a wide range of applications.

L6981C50DR Features

• Fixed Output Voltage: The L6981C50DR offers a fixed 5V output, ensuring stable power supply for various electronic devices.
• Wide Input Voltage Range: With an input voltage range of 3.5V to 38V, this regulator can handle a broad spectrum of input conditions, making it versatile for different power sources.
• High Efficiency: The synchronous rectifier design ensures high efficiency, reducing power loss and improving overall system performance.
• Buck Topology: The buck converter topology provides efficient power conversion, making the L6981C50DR suitable for applications where space and power efficiency are critical.
• Surface Mount Packaging: The surface mount package (Tape & Reel) allows for easy integration into compact designs, facilitating automated assembly processes.
• Compliance and Reliability: The L6981C50DR is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and regulatory standards. It also has a moisture sensitivity level (MSL) of 1, making it suitable for a wide range of manufacturing environments.
• Active Product Status: The L6981C50DR is an active product, ensuring long-term availability and support from STMicroelectronics.

L6981C50DR Applications

The L6981C50DR is ideal for a variety of applications where efficient power management is crucial. Its fixed 5V output and wide input voltage range make it suitable for:

• Consumer Electronics: Ideal for powering devices such as smartphones, tablets, and other portable electronics.
• Industrial Equipment: Suitable for applications requiring stable power supply, such as sensors, actuators, and control systems.
• Automotive Electronics: Given its wide input voltage range, the L6981C50DR can handle the varying voltage levels found in automotive environments, making it suitable for in-vehicle electronics.
• Telecommunications: Efficient power conversion makes it ideal for powering communication modules and networking equipment.

Conclusion of L6981C50DR

The L6981C50DR from STMicroelectronics is a robust and efficient fixed-output voltage regulator designed to meet the demands of modern power management applications. Its wide input voltage range, high efficiency, and fixed 5V output make it a versatile solution for a variety of electronic devices. The inclusion of a synchronous rectifier and buck topology ensures minimal power loss and efficient performance. With its surface mount packaging and compliance with environmental and regulatory standards, the L6981C50DR is an excellent choice for designers seeking a reliable and efficient power management solution.

L6981C50DR Documents

Download datasheets and manufacturer documentation for L6981C50DR

Datasheets :

L6981