Texas Instruments

LP8340ILDX-ADJ

LP8340ILDX-ADJ Description

The LP8340ILDX-ADJ is a linear voltage regulator designed by Texas Instruments, offering an adjustable output voltage range from 1.25V to 9.3V with a maximum input voltage of 10V. This regulator is capable of delivering up to 1A of output current, making it suitable for a variety of applications requiring precise voltage control. The device features a low quiescent current of 100 µA and a supply current of up to 170 µA, ensuring efficient power management. The LP8340ILDX-ADJ is housed in a surface-mount package, specifically a 6-lead WSON, which is ideal for compact and space-constrained designs. Despite its small form factor, the regulator includes robust protection features such as over-current and over-temperature protection, enhancing its reliability and durability.

LP8340ILDX-ADJ Features

• Adjustable Output Voltage: The LP8340ILDX-ADJ provides an adjustable output voltage range from 1.25V to 9.3V, allowing for flexibility in various power supply designs.
• High Input Voltage Capability: With a maximum input voltage of 10V, this regulator can handle a wide range of input voltages, making it suitable for diverse applications.
• High Output Current: The regulator supports up to 1A of output current, ensuring it can power demanding devices and systems.
• Low Quiescent Current: At 100 µA, the quiescent current is minimized, contributing to high efficiency and reduced power consumption.
• Low Dropout Voltage: The LP8340ILDX-ADJ operates with a low dropout voltage, enhancing its performance in low-voltage applications.
• Protection Features: The regulator includes over-current and over-temperature protection, safeguarding the device and connected components from damage.
• Surface Mount Package: The 6-lead WSON package is designed for surface-mount technology, facilitating easy integration into modern PCB designs.
• High PSRR: With a power supply rejection ratio (PSRR) of 55dB at 120Hz, the regulator effectively filters out noise from the power supply, ensuring clean output voltage.

LP8340ILDX-ADJ Applications

The LP8340ILDX-ADJ is well-suited for a variety of applications where precise voltage regulation and high efficiency are critical. Some specific use cases 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 actuators that require stable and adjustable power supply.
• Telecommunications: Can be used in base stations and communication equipment where reliable power management is essential.
• Automotive: Applicable in automotive electronics for applications like infotainment systems and advanced driver-assistance systems (ADAS) that demand high performance and efficiency.
• Medical Devices: Suitable for medical equipment such as diagnostic tools and monitoring devices where precise voltage control and low noise are crucial.

Conclusion of LP8340ILDX-ADJ

The LP8340ILDX-ADJ from Texas Instruments is a versatile and efficient linear voltage regulator designed to meet the demands of modern electronic systems. Its adjustable output voltage, high output current, and low quiescent current make it an ideal choice for a wide range of applications. The inclusion of over-current and over-temperature protection features ensures robustness and reliability, while the surface-mount package allows for easy integration into compact designs. Despite its obsolete status, the LP8340ILDX-ADJ remains a reliable option for applications requiring precise voltage regulation and high efficiency.