Texas Instruments

LP3872EMPX-2.5  

Linear & Switching Voltage Regulators

LP3872EMPX-2.5 Description

The LP3872EMPX-2.5 is a linear regulator designed by Texas Instruments, featuring a fixed output voltage of 2.5V and capable of delivering up to 1.5A of output current. This device is part of the Power Management Integrated Circuit (PMIC) category and is housed in a Surface Mount SOT223-5 package. The regulator is designed to operate with a maximum input voltage of 7V and offers a low dropout voltage of 0.55V at full load, making it suitable for applications where input voltage levels are close to the desired output voltage. The LP3872EMPX-2.5 also includes various protection features such as over-current, over-temperature, and short-circuit protection, ensuring reliable operation under diverse conditions. Despite being marked as obsolete, the LP3872EMPX-2.5 remains a robust choice for specific power management needs.

LP3872EMPX-2.5 Features

• Fixed Output Voltage: The LP3872EMPX-2.5 provides a stable 2.5V output, ideal for applications requiring a precise and consistent power supply.
• High Output Current: With a maximum output current of 1.5A, this regulator can support demanding applications that require significant power.
• Low Dropout Voltage: The maximum dropout voltage of 0.55V at 1.5A ensures efficient operation even when the input voltage is close to the output voltage, reducing power loss and improving overall efficiency.
• Enable Control Feature: The regulator includes an enable pin, allowing for dynamic control of the output voltage, which can be useful for power sequencing and power-saving modes.
• Protection Features: Over-current, over-temperature, and short-circuit protection mechanisms safeguard the regulator and connected circuits from damage, enhancing reliability and longevity.
• Low Quiescent Current: The regulator operates with a low quiescent current of 5 mA, minimizing power consumption during idle periods.
• High Power Supply Rejection Ratio (PSRR): The PSRR ranges from 73dB to 57dB at 120Hz, effectively filtering out noise and ripple from the input supply, ensuring a clean output voltage.
• Moisture Sensitivity Level: MSL 1 (Unlimited) indicates that the device is not sensitive to moisture, making it suitable for a wide range of environmental conditions.

LP3872EMPX-2.5 Applications

The LP3872EMPX-2.5 is well-suited for a variety of applications where a stable and efficient power supply is critical. Some specific use cases include:

• Consumer Electronics: Ideal for powering devices such as smartphones, tablets, and portable gaming consoles that require a stable 2.5V supply.
• Industrial Equipment: Suitable for industrial control systems, sensors, and actuators that need a reliable power source with protection features.
• Medical Devices: Can be used in medical equipment where precise voltage regulation and low dropout voltage are essential for accurate operation.
• Telecommunications: Applicable in base stations and communication devices that require efficient power management.
• Automotive Electronics: Useful in automotive applications where a stable power supply is necessary for electronic control units (ECUs) and other onboard systems.

Conclusion of LP3872EMPX-2.5

The LP3872EMPX-2.5 from Texas Instruments is a versatile and reliable linear regulator designed for applications requiring a stable 2.5V output and up to 1.5A of current. Its low dropout voltage, enable control feature, and comprehensive protection mechanisms make it a robust choice for various power management needs. Despite being marked as obsolete, the LP3872EMPX-2.5 continues to offer significant advantages in terms of efficiency and reliability, making it a valuable component for specific applications in consumer electronics, industrial equipment, medical devices, telecommunications, and automotive electronics.

LP3872EMPX-2.5 Documents

Download datasheets and manufacturer documentation for LP3872EMPX-2.5

Datasheets :

LP3872, LP3875 Datasheet