STMicroelectronics

LDK120C10R

LDK120C10R Description

The LDK120C10R is a high-performance linear regulator designed for applications requiring a fixed output voltage of 1V and a maximum output current of 200mA. Manufactured by STMicroelectronics, this device is part of the Power Management Integrated Circuits (PMIC) category and is housed in a compact SOT323-5 package, making it suitable for surface-mount applications. The LDK120C10R is designed to operate with an input voltage range up to 5.5V, ensuring compatibility with a wide range of power sources.

LDK120C10R Features

• Fixed Output Voltage: The LDK120C10R provides a stable 1V output voltage, ideal for applications requiring a precise and consistent power supply.
• High Efficiency: With a maximum dropout voltage of 0.3V at 200mA, the LDK120C10R ensures high efficiency, even at low input-to-output voltage differentials.
• Low Quiescent Current: The device features a low quiescent current of 60 µA, making it suitable for battery-powered applications where power consumption needs to be minimized.
• Enable Control Feature: The LDK120C10R includes an enable control feature, allowing users to turn the regulator on and off, which is beneficial for power management and reducing power consumption during idle periods.
• Protection Features: The regulator is equipped with over-current and over-temperature protection features, ensuring reliable operation and safeguarding against potential damage.
• High Power Supply Rejection Ratio (PSRR): The LDK120C10R boasts a PSRR of 55dB in the frequency range of 120Hz to 10kHz, which helps in maintaining a clean output voltage even in the presence of input voltage noise.
• Compliance and Reliability: The device is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards. It also has a moisture sensitivity level (MSL) of 1, making it suitable for a wide range of manufacturing processes.

LDK120C10R Applications

The LDK120C10R is ideal for a variety of applications where a stable and efficient power supply is required. Some specific use cases include:

• Battery-Powered Devices: The low quiescent current and high efficiency make the LDK120C10R suitable for portable devices such as smartphones, tablets, and wearables.
• Consumer Electronics: The compact size and high performance of the regulator make it an excellent choice for consumer electronics where space is limited and power efficiency is crucial.
• Industrial Applications: The robust protection features and high PSRR ensure reliable operation in industrial environments, making it suitable for sensors, actuators, and other control systems.
• Medical Devices: The stability and reliability of the LDK120C10R make it suitable for medical devices where consistent power supply is critical.

Conclusion of LDK120C10R

The LDK120C10R from STMicroelectronics is a versatile and high-performance linear regulator that offers a fixed 1V output voltage and a maximum output current of 200mA. Its low dropout voltage, low quiescent current, and high PSRR make it an excellent choice for applications requiring high efficiency and stable power supply. The enable control feature and robust protection mechanisms further enhance its usability and reliability. With its compact SOT323-5 package and surface-mount compatibility, the LDK120C10R is well-suited for a wide range of applications, from portable devices to industrial and medical equipment.