The L6981NDR is a high-efficiency, synchronous step-down regulator from STMicroelectronics, a global semiconductor leader. This regulator is part of the L6981 product series, known for its compact size, high performance, and energy efficiency. Designed to meet the needs of modern electronic applications, the L6981NDR is an ideal solution for powering the latest generation of microcontrollers, FPGAs, DSPs, and other digital ICs that require a stable and efficient power supply.

Key Features

• Wide Input Voltage Range: The L6981NDR operates over a broad input voltage range from 4 V to 38 V, making it versatile for various applications, from industrial systems to consumer electronics.
• Adjustable Output Voltage: Users can set the output voltage from 0.85 V to VIN, providing flexibility for powering different devices that require various voltage levels.
• High Efficiency: With synchronous rectification and an advanced design, the L6981NDR achieves high efficiency, reducing power losses and improving thermal performance.
• Compact Size: The device comes in a small 3x3 mm QFN package, allowing for space-saving designs and easy integration into space-constrained applications.
• Peak Current Mode Control: The peak current mode control ensures fast transient response and easy loop stabilization.

Applications

The L6981NDR is suitable for a wide range of applications, including but not limited to:

• Industrial control systems
• Automotive electronics
• Telecommunications equipment
• Portable devices and battery-powered systems

Additional Benefits

Additional features of the L6981NDR include overcurrent protection, thermal shutdown, and soft-start capability, which enhance the overall reliability and longevity of the end application. The regulator also supports synchronization to an external clock, which minimizes interference and noise in sensitive applications. With its robust design and comprehensive feature set, the L6981NDR from STMicroelectronics is a standout choice for designers seeking a high-performance power solution.