STMicroelectronics

LDK120C30R

LDK120C30R Description

The LDK120C30R is a high-performance linear regulator designed by STMicroelectronics, a leading manufacturer in the power management integrated circuits (PMIC) category. This device is engineered to provide a fixed output voltage of 3V with a maximum output current of 200mA, making it ideal for applications requiring stable and reliable power supply. The LDK120C30R features a maximum input voltage of 5.5V and a dropout voltage of 0.3V at 200mA, ensuring efficient operation even under varying input conditions.

LDK120C30R Features

The LDK120C30R offers several unique features that set it apart from similar models in the market:

• Fixed Output Configuration: Provides a stable 3V output, ensuring consistent power supply to sensitive electronic components.
• Low Dropout Voltage: With a maximum dropout voltage of 0.3V at 200mA, the LDK120C30R maintains high efficiency even when the input voltage is close to the output voltage.
• Low Quiescent Current: A quiescent current of 60 µA ensures minimal power consumption during operation, making it suitable for battery-powered applications.
• Enable Control Feature: The enable pin allows for easy control of the regulator's operation, providing flexibility in system design.
• Protection Features: Over-current and over-temperature protection ensure the device's longevity and reliability, safeguarding against potential faults.
• High PSRR: A power supply rejection ratio (PSRR) of 55dB across the frequency range of 120Hz to 10kHz helps in filtering out noise from the input power supply, resulting in cleaner output voltage.
• Surface Mount Technology: The SOT323-5 package is designed for surface mount applications, offering a compact and robust solution for modern electronic designs.
• Compliance and Status: The LDK120C30R is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and regulatory standards. It also has an unlimited moisture sensitivity level (MSL) of 1, making it suitable for various manufacturing environments.

LDK120C30R Applications

The LDK120C30R is well-suited for a variety of applications where a stable and efficient power supply is crucial:

• Consumer Electronics: Ideal for powering low-power devices such as smartphones, tablets, and portable media players, ensuring long battery life and stable performance.
• Industrial Equipment: Suitable for low-power sensors, microcontrollers, and other industrial components that require a reliable and efficient power source.
• Medical Devices: Provides a stable power supply for medical instruments and wearable devices, ensuring accurate and consistent operation.
• Automotive Applications: Can be used in automotive systems where a low dropout voltage and high PSRR are essential for maintaining power supply stability.

Conclusion of LDK120C30R

The LDK120C30R from STMicroelectronics is a versatile and efficient linear regulator that stands out in its category. Its low dropout voltage, low quiescent current, and high PSRR make it an excellent choice for applications requiring stable and efficient power supply. The enable control feature and protection mechanisms further enhance its reliability and flexibility. With its compact SOT323-5 package and surface mount compatibility, the LDK120C30R is an ideal solution for modern electronic designs, ensuring optimal performance and compliance with industry standards.