Texas Instruments

LP3892EMRX-1.2  

Linear & Switching Voltage Regulators

LP3892EMRX-1.2 Description

The LP3892EMRX-1.2 is a linear regulator designed for high-performance power management applications. Manufactured by Texas Instruments, this device is part of the Power Management Integrated Circuit (PMIC) family. It features a fixed output voltage of 1.2V and can deliver a maximum output current of 1.5A. The regulator is designed to operate with an input voltage range up to 5.5V, ensuring compatibility with a wide range of power sources. The LP3892EMRX-1.2 is housed in a surface-mount package, specifically the 8SO PWRPAD, which is suitable for compact and high-density PCB designs.

LP3892EMRX-1.2 Features

• Output Type: Fixed, providing a stable 1.2V output voltage.
• Input Voltage Range: Capable of handling up to 5.5V, making it versatile for various power supply configurations.
• Output Current: Delivers a robust 1.5A output current, suitable for demanding applications.
  -Low Dropout Voltage: With a maximum dropout voltage of 0.55V at 1.5A, the LP3892EMRX-1.2 ensures high efficiency even at low input-to-output voltage differentials.
• Low Quiescent Current: Consumes only 30 µA in quiescent mode, minimizing power loss during standby conditions.
• High PSRR: Offers a Power Supply Rejection Ratio (PSRR) of 80dB at 120Hz and 65dB at 1kHz, effectively filtering out noise from the input supply.
• Control Features: Includes an enable feature, allowing for precise control over the regulator's operation.
• Protection Features: Equipped with over-current, over-temperature, and short-circuit protection, ensuring reliable operation and safeguarding against potential faults.
• Mounting Type: Surface mount, ideal for modern, space-constrained designs.
• Moisture Sensitivity Level: MSL 3 (168 Hours), ensuring reliability in various environmental conditions.
• Package: Tape & Reel (TR), facilitating efficient manufacturing and assembly processes.

LP3892EMRX-1.2 Applications

The LP3892EMRX-1.2 is well-suited for applications requiring a stable and efficient power supply. Its low dropout voltage and high PSRR make it ideal for use in sensitive electronic systems where noise and power loss are critical concerns. Specific applications include:

• Consumer Electronics: Ideal for powering devices such as smartphones, tablets, and portable gaming consoles, where compact size and high efficiency are paramount.
• Industrial Equipment: Suitable for industrial control systems, sensors, and instrumentation, where reliable power management is essential.
• Telecommunications: Can be used in base stations, routers, and other telecom equipment, ensuring stable power delivery and minimizing noise interference.
• Automotive Electronics: Applicable in automotive systems, such as infotainment units and advanced driver-assistance systems (ADAS), where high reliability and low noise are required.

Conclusion of LP3892EMRX-1.2

The LP3892EMRX-12. from Texas Instruments is a high-performance linear regulator designed to meet the stringent demands of modern power management applications. Its fixed 1.2V output, low dropout voltage, and high PSRR make it an excellent choice for applications requiring stable and efficient power delivery. The inclusion of advanced control and protection features further enhances its reliability and versatility. Despite being marked as obsolete, the LP3892EMRX-1.2 remains a robust solution for designers seeking a reliable and efficient power management IC.

LP3892EMRX-1.2 Documents

Download datasheets and manufacturer documentation for LP3892EMRX-1.2