Texas Instruments

LP3873ES-1.8/NOPB  

Linear & Switching Voltage Regulators

LP3873ES-1.8/NOPB Description

The LP3873ES-1.8/NOPB is a high-performance linear regulator designed by Texas Instruments, offering a fixed output voltage of 1.8V with a maximum output current of 3A. This regulator is housed in a surface-mount DDPAK/TO263-5 package, making it suitable for compact and efficient power management solutions. The device is designed to operate with a maximum input voltage of 7V, ensuring compatibility with a wide range of power sources. With a dropout voltage of only 1.2V at 3A, the LP3873ES-1.8/NOPB provides high efficiency even under heavy load conditions. The regulator features a quiescent current of 9, mA contributing to low power consumption during operation.

LP3873ES-1.8/NOPB Features

• Output Type: Fixed 1.8V output voltage, ensuring stable power supply for sensitive electronic components.
• Input Voltage Range: Capable of handling input voltages up to 7V, providing flexibility in power source selection.
• High Output Current: Delivers up to 3A of output current, suitable for demanding applications requiring substantial power.
• Low Dropout Voltage: A maximum dropout voltage of .12V at 3A ensures high efficiency and minimal power loss.
• Enable Control Feature: The enable function allows for dynamic control of the regulator, enabling power-saving modes and precise power management.
• Protection Features: Over-current, over-temperature, and short-circuit protection ensure robustness and reliability in various operating conditions.
• Low Quiescent Current: With a quiescent current of 9 mA, the regulator minimizes power consumption during standby or low-load conditions.
• High PSRR: A power supply rejection ratio (PSRR) of 73dB to 57dB at 120Hz ensures excellent noise filtering and stable output voltage.
• Compliance and Packaging: The LP3873ES-1.8/NOPB is REACH unaffected and RoHS3 compliant, meeting stringent environmental standards. It is packaged in a tube, facilitating easy handling and integration into manufacturing processes.

LP3873ES-1.8/NOPB Applications

The LP3873ES-1.8/NOPB is ideal for a variety of applications that require a stable and efficient power supply. Its high output current and low dropout voltage make it particularly suitable for:

• Embedded Systems: Providing a reliable power source for microcontrollers, sensors, and other low-power devices.
• Consumer Electronics: Powering portable devices, such as smartphones, tablets, and wearable technology, where space and efficiency are critical.
• Industrial Equipment: Ensuring stable power supply for control systems, automation devices, and other industrial applications.
• Telecommunications: Supplying power to communication modules, base stations, and other networking equipment.
• Automotive Electronics: Suitable for automotive applications where a compact and efficient power solution is required.

Conclusion of LP3873ES-1.8/NOPB

The LP3873ES-1.8/NOPB from Texas Instruments stands out as a versatile and efficient linear regulator, offering a fixed 1.8V output with a maximum current of 3A. Its low dropout voltage and high PSRR make it an excellent choice for applications where efficiency and stability are paramount. The inclusion of enable control and comprehensive protection features enhances its reliability and adaptability. With its compact surface-mount package and compliance with environmental standards, the LP3873ES-1.8/NOPB is well-suited for a wide range of power management needs in the electronics industry.

LP3873ES-1.8/NOPB Documents

Download datasheets and manufacturer documentation for LP3873ES-1.8/NOPB

Datasheets :

LP3873, LP3876 Datasheet      

HTML Datasheet :

LP3873, LP3876 Datasheet