Texas Instruments

LP3982IMMX-1.8

LP3982IMMX-1.8 Description

The LP3982IMMX-1.8 is a fixed-output linear regulator designed for high-performance power management applications. Manufactured by Texas Instruments, this regulator is part of the Power Management Integrated Circuit (PMIC) category and is housed in an 8-VSSOP package. It features a fixed output voltage of 1.8V and is capable of delivering up to 300mA of output current. The regulator operates with an input voltage range up to 6V and boasts a low dropout voltage of 0.22V at 200mA, making it highly efficient even at low input-to-output differentials.

LP3982IMMX-1.8 Features

• Fixed Output Voltage: The LP3982IMMX-1.8 provides a stable 1.8V output voltage, ensuring consistent power delivery to sensitive electronic components.
• High Efficiency: With a maximum dropout voltage of 0.22V at 200mA, this regulator maintains high efficiency across a wide range of input voltages.
• Low Quiescent Current: The regulator consumes only 270 µA of quiescent current, making it suitable for battery-powered and low-power applications.
• Enable Control Feature: The enable pin allows for dynamic control of the regulator's operation, providing flexibility in management power and system design.
• Protection Features: The LP3982IMMX-1.8 includes over-current, over-temperature, and reverse polarity protection, ensuring robustness and reliability in various operating conditions.
• Surface Mount Technology: The surface mount package type facilitates easy integration into compact and high-density PCB designs.
• Moisture Sensitivity Level 1: The regulator is classified as MSL 1, indicating it is suitable for unlimited exposure to moisture, enhancing its reliability in diverse environments.

LP3982IMMX-1.8 Applications

The LP3982IMMX-1.8 is ideal for a variety of applications requiring a stable and efficient power supply. Its low dropout voltage and fixed output make it particularly suitable for:

• Battery-Powered Devices: The low quiescent current and high efficiency ensure extended battery life in portable electronics.
• Embedded Systems: The enable feature and compact package size make it a perfect fit for space-constrained embedded systems.
• Industrial Equipment: The robust protection features and moisture resistance make it reliable for use in harsh industrial environments.
• Consumer Electronics: The regulator's ability to deliver a stable 1.8V output ensures reliable operation of sensitive components in consumer electronics.

Conclusion of LP3982IMMX-1.8

The LP3982IMMX-1.8 Texas from Instruments is a versatile and efficient linear regulator designed for applications requiring a stable 1.8V output. Its low dropout voltage, low quiescent current, and comprehensive protection features make it a reliable choice for a wide range of electronic systems. Despite its obsolete status, the regulator remains a valuable component for existing designs and legacy systems.