Texas Instruments

LP3982ILDX-ADJ  

Linear & Switching Voltage Regulators

LP3982ILDX-ADJ Description

The LP3982ILDX-ADJ is a linear positive adjustable voltage regulator from Texas Instruments, designed to deliver a maximum output current of 300mA. This regulator is part of the Power Management Integrated Circuit (PMIC) category and is housed in an 8-lead WSON package, suitable for surface-mount applications. The device operates within an input voltage range of up to 6V and offers an adjustable output voltage ranging from 1.25V to 6V. The LP3982ILDX-ADJ features a low dropout voltage of 220mV, which is advantageous for applications where the input-to-output voltage difference is minimal. Additionally, it includes an enable control feature and provides over-current and over-temperature protection to ensure reliable operation. Despite its status as an obsolete product, the LP3982ILDX-ADJ remains a viable option for certain legacy designs and applications.

LP3982ILDX-ADJ Features

• Adjustable Output Voltage: The LP3982ILDX-ADJ offers an adjustable output voltage range from 1.25V to 6V, making it highly versatile for various applications requiring different voltage levels.
• Low Dropout Voltage: With a maximum dropout voltage of 220mV, this regulator is well-suited for applications where the input voltage is close to the desired output voltage, ensuring efficient power conversion.
• Enable Control Feature: The enable feature allows for dynamic control of the regulator's operation, enabling power-saving modes and facilitating easy integration into complex power management systems.
• Protection Features: The device includes over-current and over-temperature protection, safeguarding against potential damage due to excessive current draw or high operating temperatures.
• Low Quiescent Current: The regulator has a low quiescent current of 270 µA, which is beneficial for battery-powered applications where minimizing power consumption is critical.
• Surface-Mount Package: The 8-lead WSON package is ideal for surface-mount technology (SMT), allowing for compact and reliable PCB designs.
• Moisture Sensitivity Level: The device has an MSL rating of 1 (Unlimited), indicating it is not sensitive to moisture, which simplifies handling and storage processes.

LP3982ILDX-ADJ Applications

The LP3982ILDX-ADJ is well-suited for a variety of applications where a reliable and efficient power supply is required. Some specific use cases include:

• Battery-Powered Devices: The low dropout voltage and low quiescent current make this regulator ideal for battery-powered applications, such as portable electronics and handheld devices, where maximizing battery life is crucial.
• Low-Voltage Systems: The adjustable output voltage range and low dropout voltage are particularly advantageous in low-voltage systems, such as those found in automotive electronics and industrial control systems.
• Legacy Designs: Despite its obsolete status, the LP3982ILDX-ADJ can be used to maintain and upgrade existing systems that were originally designed with this regulator, ensuring compatibility and reliability.
• Power Management in Embedded Systems: The enable control feature and protection mechanisms make this regulator suitable for embedded systems where precise power control and protection are necessary.

Conclusion of LP3982ILDX-ADJ

The LP3982ILDX-ADJ from Texas Instruments is a robust linear positive adjustable voltage regulator that offers a range of features beneficial for various applications. Its adjustable output voltage, low dropout voltage, and low quiescent current make it a versatile and efficient choice for power management in both new and legacy designs. The inclusion of enable control and protection features further enhances its reliability and usability. While the product is now obsolete, it remains a valuable option for specific applications where its unique attributes are required.

LP3982ILDX-ADJ Documents

Download datasheets and manufacturer documentation for LP3982ILDX-ADJ

Datasheets :

LP3982 Datasheet