Texas Instruments

LP3873ES-3.3/NOPB  

Linear & Switching Voltage Regulators

LP3873ES-3.3/NOPB Description

The LP3873ES-3.3/NOPB is a high-performance linear regulator designed by Texas Instruments, offering a fixed output voltage of 3.3V and capable of delivering up to 3A of output current. This regulator is designed for surface-mount applications and is housed in a DDPAK/TO263-5 package, making it suitable for a wide range of power management applications. With a maximum input voltage of 7V and a dropout voltage of 1.2V at 3A, the LP3873ES-3.3/NOPB ensures efficient power conversion even under varying load conditions. The regulator features a low quiescent current of 9 mA and a supply current of up to 15 mA, contributing to its overall efficiency and suitability for low-power designs.

LP3873ES-3.3/NOPB Features

The LP3873ES-3.3/NOPB boasts several unique features that set it apart from similar models in the market:

• Fixed Output Voltage: The regulator provides a stable 3.3V output, ideal for applications requiring a consistent power supply.
• High Output Current: Capable of delivering up to 3A, this regulator is suitable for high-current applications.
• Low Dropout Voltage: With a maximum dropout voltage of 1.2V at 3A, the LP3873ES-3.3/NOPB ensures efficient power conversion even at high loads.
• Enable Control Feature: The enable feature allows for precise control over the regulator's operation, enabling power savings and dynamic power management.
• Protection Features: The regulator includes over-current, over-temperature, and short-circuit protection, ensuring robustness and reliability in various operating conditions.
• High PSRR: The regulator offers a high power supply rejection ratio (PSRR) of 73dB to 57dB at 120Hz, minimizing the impact of input voltage variations on the output.
• Compliance and Reliability: The LP3873ES-3.3/NOPB is REACH unaffected and RoHS3 compliant, ensuring environmental sustainability and regulatory compliance. It also has a moisture sensitivity level (MSL) of 3, suitable for extended storage periods.

LP3873ES-3.3/NOPB Applications

The LP3873ES-3.3/NOPB is ideal for a variety of applications due to its high performance and robust features:

• Consumer Electronics: Ideal for powering devices such as smartphones, tablets, and other portable electronics that require a stable 3.3V supply.
• Industrial Equipment: Suitable for industrial applications where high current and reliable power supply are critical.
• Telecommunications: Can be used in base stations and other telecom equipment that demand efficient power management.
• Automotive: The regulator's robust protection features and high current capability make it suitable for automotive applications, including infotainment systems and electronic control units.

Conclusion of LP3873ES-3.3/NOPB

The LP3873ES-3.3/NOPB from Texas Instruments is a versatile and high-performance linear regulator that offers a fixed 3.3V output and up to 3A of current. Its low dropout voltage, high PSRR, and comprehensive protection features make it an excellent choice for a wide range of applications, from consumer electronics to industrial and automotive systems. The enable control feature and surface-mount package further enhance its flexibility and ease of integration. With its robust design and compliance with environmental regulations, the LP3873ES-3.3/NOPB stands out as a reliable and efficient solution for power management needs.

LP3873ES-3.3/NOPB Documents

Download datasheets and manufacturer documentation for LP3873ES-3.3/NOPB

Datasheets :

LP3873, LP3876 Datasheet      

HTML Datasheet :

LP3873, LP3876 Datasheet