LDK120C-R Description
The LDK120C-R is a high-performance linear voltage regulator designed by STMicroelectronics, a leading manufacturer in the electronics industry. This regulator is part of the Linear & Switching Voltage Regulators category and is ideal for applications requiring a reliable and efficient power supply solution. The LDK120C-R features an adjustable output voltage ranging from 0.8V to 5.2V, making it highly versatile for various electronic systems. It supports a maximum input voltage of 5.5V and can deliver a continuous output current of up to 200mA. The regulator is designed with a low quiescent current of 60 µA and a maximum supply current of 100 µA, ensuring minimal power consumption even under light load conditions.
LDK120C-R Features
- Adjustable Output Voltage: The LDK120C-R offers an adjustable output voltage range from 0.8V to 5.2V, providing flexibility for different system requirements.
- Low Dropout Voltage: With a maximum dropout voltage of 0.3V at 200mA, the regulator maintains high efficiency even when the input voltage is close to the output voltage.
- Low Quiescent Current: The regulator features a low quiescent current of 60 µA, which is crucial for battery-operated devices and low-power applications.
- Enable Control Feature: The LDK120C-R includes an enable control feature, allowing users to turn the regulator on and off, which is beneficial for power management in complex systems.
- Protection Features: The regulator incorporates over-current and over-temperature protection, ensuring robustness and reliability in various operating conditions.
- High PSRR: The regulator boasts a high power supply rejection ratio (PSRR) of 55dB over the frequency range of 120Hz to 10kHz, effectively filtering out noise from the input power supply.
- Surface Mount Packaging: The LDK120C-R is available in a surface mount package (SOT323), making it suitable for compact and space-constrained designs.
- Compliance and Reliability: The regulator 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 unlimited storage conditions.
LDK120C-R Applications
The LDK120C-R is well-suited for a variety of applications due to its adjustable output voltage, low dropout voltage, and low quiescent current. Some specific use cases include:
- Battery-Powered Devices: The low quiescent current and low dropout voltage make the LDK120C-R ideal for battery-operated devices, such as portable electronics, where power efficiency is critical.
- Consumer Electronics: The regulator's adjustable output voltage and compact packaging make it suitable for consumer electronics, including smartphones, tablets, and other portable devices.
- Industrial Equipment: The high PSRR and robust protection features ensure reliable performance in industrial applications, such as sensors, actuators, and control systems.
- Medical Devices: The LDK120C-R's compliance with environmental and safety standards makes it suitable for medical devices that require high reliability and low power consumption.
Conclusion of LDK120C-R
The LDK120C-R from STMicroelectronics is a versatile and efficient linear voltage regulator that offers a wide range of features and benefits. Its adjustable output voltage, low dropout voltage, and low quiescent current make it an excellent choice for various applications, particularly those requiring high efficiency and reliability. The inclusion of enable control and robust protection features further enhances its performance and versatility. Whether used in battery-powered devices, consumer electronics, industrial equipment, or medical devices, the LDK120C-R provides a reliable and efficient power supply solution.