STMicroelectronics

LDL112PUR

LDL112PUR Description

The LDL112PUR is a high-performance linear voltage regulator designed by STMicroelectronics. This regulator offers an adjustable output voltage ranging from 0.8V to 4.9V, making it highly versatile for a variety of applications. It is capable of delivering a maximum output current of 1.2A while maintaining a low dropout voltage of 0.6V at full load, ensuring efficient operation even at low input voltages. The regulator features a maximum input voltage of 5.5V and a quiescent current of only 70 µA, contributing to its high efficiency and low power consumption.

LDL112PUR Features

• Adjustable Output Voltage: The LDL112PUR provides an adjustable output voltage range from 0.8V to 4.9V, allowing it to be tailored to specific application requirements.
• High Output Current: It supports a maximum output current of 1.2A, making it suitable for applications requiring high current delivery.
• Low Dropout Voltage: With a maximum dropout voltage of 0.6V at 1.2A, the regulator ensures efficient operation even when the input voltage is close to the output voltage.
• Low Quiescent Current: The regulator has a quiescent current of 70 µA, which minimizes power consumption during operation.
• Enable Control Feature: The LDL112PUR includes an enable control feature, allowing users to turn the regulator on and off as needed.
• Protection Features: It offers over-current, over-temperature, and reverse current protection, ensuring robust and reliable operation under various conditions.
• High PSRR: The regulator boasts a high power supply rejection ratio (PSRR) of 53dB at 1kHz, which helps in reducing noise and ripple in the output voltage.
• Surface Mount Packaging: The LDL112PUR is available in a surface mount package (Tape & Reel), making it suitable for automated assembly processes and compact designs.
• Compliance and Status: The regulator is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards. It also has an ECCN classification of EAR99 and an HTSUS code of 8542.39.0001.

LDL112PUR Applications

The LDL112PUR is ideal for a wide range of applications due to its adjustable output voltage, high output current, and low dropout voltage. Some specific use cases include:

• Consumer Electronics: Ideal for powering devices such as smartphones, tablets, and portable gaming consoles where high efficiency and low power consumption are crucial.
• Industrial Equipment: Suitable for industrial control systems, sensors, and actuators that require stable and reliable power supply.
• Telecommunications: Can be used in base stations, routers, and other telecom equipment where high current delivery and low dropout voltage are essential.
• Automotive Applications: Applicable in automotive electronic systems, such as infotainment systems and advanced driver-assistance systems (ADAS), where compact size and high performance are required.
• Medical Devices: Suitable for medical equipment like portable diagnostic devices and wearable health monitors that need efficient power management.

Conclusion of LDL112PUR

The LDL112PUR from STMicroelectronics is a versatile and high-performance linear voltage regulator that stands out due to its adjustable output voltage, high output current, and low dropout voltage. Its low quiescent current and high PSRR make it highly efficient and suitable for applications requiring low power consumption and high stability. The inclusion of enable control and comprehensive protection features further enhances its reliability and usability. With its surface mount packaging and compliance with environmental and safety standards, the LDL112PUR is an excellent choice for a wide range of applications in consumer electronics, industrial equipment, telecommunications, automotive, and medical devices.