STMicroelectronics

LDK120PU18R  

Linear & Switching Voltage Regulators

LDK120PU18R Description

The LDK120PU18R is a high-performance linear regulator designed by STMicroelectronics, offering a fixed output voltage of 1.8V and a maximum output current of 200mA. This regulator is part of the Power Management Integrated Circuits (PMIC) category and is housed in a compact 6DFN package, making it ideal for space-constrained applications. The LDK120PU18R features a low dropout voltage of 0.3V at 200mA, ensuring efficient operation even at low input voltages. It also boasts a low quiescent current of 60 µA and a supply current of 100 µA, making it suitable for battery-powered devices where power efficiency is critical.

LDK120PU18R Features

• Fixed Output Voltage: The LDK120PU18R provides a stable output voltage of 1.8V, ensuring consistent power supply to connected devices.
• Low Dropout Voltage: With a maximum dropout voltage of 0.3V at 200mA, this regulator maintains high efficiency even when the input voltage is close to the output voltage.
• Low Quiescent Current: The regulator operates with a low quiescent current of 60 µA, minimizing power consumption during idle periods.
• Enable Control Feature: The LDK120PU18R includes an enable control feature, allowing users to turn the regulator on and off as needed, which can help reduce power consumption.
• Protection Features: The regulator is equipped with over-current and over-temperature protection, ensuring reliable operation and safeguarding against potential faults.
• High Power Supply Rejection Ratio (PSRR): The regulator offers a PSRR of 55dB over a frequency range of 120Hz to 10kHz, reducing the impact of input voltage variations on the output voltage.
• Compliance and Packaging: The LDK120PU18R is REACH unaffected and RoHS3 compliant, making it suitable for environmentally conscious applications. It is available in a surface-mount package, specifically in tape & reel (TR) format, facilitating easy integration into modern manufacturing processes.

LDK120PU18R Applications

The LDK120PU18R is well-suited for a variety of applications where a stable and efficient power supply is required. Its low dropout voltage and low quiescent current make it ideal for battery-powered devices, such as portable electronics, IoT devices, and wearable technology. The regulator's compact size and surface-mount package also make it suitable for applications where space is limited, such as in smartphones, tablets, and other consumer electronics. Additionally, its high PSRR and protection features make it a reliable choice for sensitive electronic systems that require stable power supply and protection against voltage fluctuations and overloads.

Conclusion of LDK120PU18R

The LDK120PU18R from STMicroelectronics is a versatile and efficient linear regulator that offers a range of features and benefits for modern power management applications. Its low dropout voltage, low quiescent current, and high PSRR make it an excellent choice for battery-powered devices and other applications where power efficiency and stability are critical. The inclusion of enable control and protection features further enhances its reliability and flexibility. With its compact 6DFN package and compliance with environmental standards, the LDK120PU18R is a robust solution for a wide range of electronic devices, ensuring stable and efficient power supply in various operating conditions.

LDK120PU18R Documents

Download datasheets and manufacturer documentation for LDK120PU18R

Datasheets :

LDK120xx      

PCN Packaging :

Moisture Barrier Bag 09/May/2016