STMicroelectronics

L5973ADTR  

DC Switching Voltage Regulators

The L5973ADTR is a high-performance, step-down (buck) switching regulator from STMicroelectronics. It is designed to provide efficient power conversion for a wide range of applications, including automotive, industrial, and consumer electronics.

Description:

The L5973ADTR is a monolithic integrated circuit that provides a highly efficient step-down converter with a wide input voltage range. It features a fixed 5V output and can deliver up to 3A of continuous output current. The device is available in a thermally enhanced 20-pin TSSOP package.

Features:

1. High efficiency: The L5973ADTR offers high efficiency of up to 96%, which helps reduce power dissipation and improve thermal performance.
2. Wide input voltage range: The device can operate with input voltages from 4V to 40V, making it suitable for various power supply sources.
3. Fixed 5V output: The output voltage is fixed at 5V, simplifying the design and eliminating the need for external voltage regulation components.
4. High output current: The L5973ADTR can deliver up to 3A of continuous output current, making it suitable for powering high-current loads.
5. Low quiescent current: The device has a low quiescent current of 35µA in standby mode, which helps reduce power consumption in battery-powered applications.
6. Protection features: The L5973ADTR includes over-current, over-temperature, and under-voltage protection features to ensure reliable operation and prevent damage to the device or connected components.
7. Small form factor: The device is available in a compact 20-pin TSSOP package, which helps save space on the printed circuit board (PCB).

Applications:

1. Automotive applications: The L5973ADTR is suitable for automotive applications, such as infotainment systems, dashboard cameras, and LED lighting.
2. Industrial applications: The device can be used in industrial equipment, such as motor controllers, sensors, and programmable logic controllers (PLCs).
3. Consumer electronics: The L5973ADTR can be used in various consumer electronics, including smartphones, tablets, and portable gaming devices.
4. Power banks and battery chargers: The device can be used in power banks and battery charging applications to provide efficient power conversion and regulation.
5. Medical devices: The L5973ADTR can be used in medical devices, such as wearable health monitors and portable diagnostic equipment, where efficiency and reliability are crucial.

In summary, the L5973ADTR is a versatile and efficient step-down switching regulator from STMicroelectronics, suitable for a wide range of applications, including automotive, industrial, and consumer electronics. Its high efficiency, wide input voltage range, and robust protection features make it an excellent choice for designers looking for a reliable and compact power conversion solution.

L5973ADTR Documents

Download datasheets and manufacturer documentation for L5973ADTR

Datasheets :

L5973AD      

Reference Design Library :

EVAL5973AD: 3.3V @ 2A, 4.4 ~ 36Vin (25V Board)      

Other Related Documents :

L5973AD View All Specifications      

HTML Datasheet :

L5973AD