STMicroelectronics

LDL112DR

LDL112DR Description

The LDL112DR is a linear regulator IC designed by STMicroelectronics, a leading manufacturer in the electronics industry. This device is part of the Power Management Integrated Circuits (PMIC) category and is known for its robust performance and versatile applications. The LDL112DR features an adjustable output type, making it suitable for a wide range of voltage requirements. It supports a maximum input voltage of 5.5V and can deliver up to 1.2A of output current. The regulator is designed with a single regulator output configuration, ensuring a positive output voltage that can be adjusted between 0.8V and 4.9V.

LDL112DR Features

The LDL112DR boasts several unique features that set it apart from similar models. It has a low dropout voltage of 0.6V at 1.2A, which is crucial for maintaining efficiency in low-voltage applications. The regulator also offers a low quiescent current of 70 µA, contributing to energy efficiency and making it ideal for battery-operated devices. Additionally, the LDL112DR includes an enable control feature, allowing for precise control over the regulator's operation.

Protection features such as over-current, over-temperature, and reverse current protection ensure the device's longevity and reliability. The regulator operates with a maximum supply current of 400 µA, further enhancing its efficiency. The Power Supply Rejection Ratio (PSRR) of 53dB at 1kHz ensures minimal noise interference, making it suitable for sensitive applications. The LDL112DR is packaged in a surface-mount 8SOIC format, which is ideal for compact designs and easy integration into various electronic systems.

LDL112DR Applications

The LDL112DR is well-suited for a variety of applications due to its adjustable output voltage and robust protection features. It is particularly ideal for portable devices such as smartphones, tablets, and wearable technology where space and energy efficiency are critical. The regulator's low dropout voltage and low quiescent current make it a perfect choice for battery-powered applications, ensuring extended battery life and reliable performance.

In addition to consumer electronics, the LDL112DR can be used in industrial applications where precise voltage regulation and protection features are required. Its ability to handle a wide range of input voltages and provide a stable output makes it suitable for power supplies, motor controls, and other industrial electronics. The device's compliance with REACH and ROHS3 standards ensures it meets environmental and safety regulations, making it a reliable choice for global markets.

Conclusion of LDL112DR

In summary, the LDL112DR is a versatile and efficient linear regulator IC designed by STMicroelectronics. Its adjustable output voltage, low dropout voltage, and comprehensive protection features make it a reliable choice for a wide range of applications. Despite being marked as obsolete, the LDL112DR remains a valuable component for engineers and designers looking for a robust and efficient power management solution. Its compliance with industry standards and its surface-mount packaging make it an ideal choice for modern electronic designs.