The L5973D from STMicroelectronics is a versatile and efficient step-down monolithic power switching regulator capable of delivering up to 2.5A of current to the load. With its adjustable output voltage, which can be set from 1.235V to 35V, this regulator is designed to cater to a wide range of applications, including on-board post-regulation, distributed supply regulation, and battery charging, to name a few.

Key Features

• Output Current up to 2.5 A: The L5973D can supply a continuous current of up to 2.5A, making it suitable for high-power applications.
• Adjustable Output Voltage: The output voltage can be precisely adjusted from 1.235V to 35V, ensuring flexibility across various designs.
• Operating Input Voltage: This device operates with an input voltage ranging from 4V to 36V, accommodating a variety of power sources.
• High Efficiency: With its integrated 250kHz fixed-frequency internal oscillator, the L5973D offers high efficiency over a wide range of load conditions.
• Inhibit and Enable Function: An inhibit function allows the shutdown of the device, reducing the consumption to a 50µA typical quiescent current when the device is not in use.
• Thermal Overload Protection: The regulator incorporates thermal shutdown and current limit protection, enhancing the safety and reliability of the application.
• Internal Compensation: The L5973D has an internal compensation network that minimizes the number of external components required.

Applications

Thanks to its robust design and adjustable output, the L5973D is an excellent choice for a variety of applications, including:

• Consumer Electronics
• Telecommunication and Networking Systems
• Industrial Control Systems
• Automotive Applications
• Portable Devices and Battery-Powered Equipment

The L5973D's combination of features, such as its high output current capability, adjustable voltage output, and thermal protection, make it an ideal solution for designers looking for a reliable and flexible voltage regulator for their power management needs.