Texas Instruments

LP3855EMP-1.8/NOPB

LP3855EMP-1.8/NOPB Description

The LP3855EMP-1.8/NOPB is a high-performance linear regulator designed for applications requiring a fixed 1.8V output voltage with a maximum output current of 1.5A. Manufactured by Texas Instruments, this regulator is part of the Power Management Integrated Circuits (PMIC) category. It features a maximum input voltage of 7V and a dropout voltage of 0.43V at 1.5A, ensuring efficient operation even under varying input conditions. The regulator is housed in a Surface Mount SOT223-5 package, making it suitable for compact and space-constrained designs.

LP3855EMP-1.8/NOPB Features

• Output Type: Fixed 1.8V output voltage, providing stable power supply for sensitive electronic components.
• Input Voltage Range: Operates with a maximum input voltage of 7V, offering flexibility in power source selection.
• Output Current: Capable of delivering up to 1.5A of output current, making it suitable for high-current applications.
• Low Dropout Voltage: A maximum dropout voltage of 0.43V at 1.5A ensures high efficiency, especially in low-input voltage scenarios.
• Enable Control: Features an enable pin for easy control and power management.
• Protection Features: Over-current, over-temperature, and short-circuit protections ensure robustness and reliability.
• Low Quiescent Current: Only 3 mA quiescent current, minimizing power consumption in standby mode.
• High PSRR: A Power Supply Rejection Ratio (PSRR) of 73dB to 57dB at 120Hz, providing excellent noise rejection.
• Compliance and Packaging: RoHS3 compliant, REACH unaffected, and available in Tape & Reel (TR) packaging for easy handling and integration.

LP3855EMP-1.8/NOPB Applications

The LP3855EMP-1.8/NOPB is ideal for a wide range of applications where a stable and efficient power supply is critical. Its low dropout voltage and high output current make it suitable for:

• Consumer Electronics: Powering devices such as smartphones, tablets, and portable gaming consoles.
• Industrial Equipment: Providing reliable power to sensors, actuators, and control systems.
• Telecommunications: Ensuring stable power supply for base stations and network equipment.
• Automotive Electronics: Suitable for in-vehicle infotainment systems and electronic control units (ECUs).
• Medical Devices: Powering critical components in medical equipment where reliability and precision are paramount.

Conclusion of LP3855EMP-1.8/NOPB

The LP3855EMP-1.8/NOPB from Texas Instruments stands out as a reliable and efficient linear regulator, offering a fixed 1.8V output with a maximum current capability of 1.5A. Its low dropout voltage, high PSRR, and comprehensive protection features make it an excellent choice for applications requiring stable and efficient power management. The SOT223-5 package ensures ease of integration into compact designs, while its compliance with industry standards (RoHS3, REACH) ensures environmental and regulatory compatibility. Whether in consumer electronics, industrial systems, or medical devices, the LP3855EMP-1.8/NOPB delivers consistent performance and reliability, making it a preferred choice for engineers and designers.