STMicroelectronics

LDK220C-R

LDK220C-R Description

The LDK220C-R is a high-performance linear voltage regulator designed by STMicroelectronics, offering adjustable output voltage capabilities with a maximum input voltage of 13.2V. This regulator is optimized for low power consumption, featuring a maximum supply current of just 100 µA and a quiescent current of 90 µA. The LDK220C-R is housed in a compact SOT323 package, making it suitable for space-constrained applications. It provides a maximum output current of 200mA and operates with a dropout voltage of only 0.35V at 200mA, ensuring high efficiency even at low input-to-output voltage differentials. The regulator is equipped with an enable control feature and robust protection mechanisms, including over-current and over-temperature protection, ensuring reliable operation under various conditions. The LDK220C-R is REACH unaffected and RoHS3 compliant, meeting stringent environmental standards. Its moisture sensitivity level is rated at MSL 1 (unlimited), making it suitable for a wide range of manufacturing processes.

LDK220C-R Features

• Adjustable Output Voltage: The LDK220C-R offers adjustable output voltage, providing flexibility to meet specific application requirements.
• Low Dropout Voltage: With a maximum dropout voltage of 0.35V at 200mA, the regulator maintains high efficiency even at low input-to-output voltage differences.
• Low Quiescent Current: The regulator features a low quiescent current of 90 µA, minimizing power consumption in standby mode.
• Enable Control Feature: The enable control feature allows for dynamic control of the regulator's operation, enhancing power management capabilities.
• Protection Features: Over-current and over-temperature protection ensure reliable operation and protect against potential faults.
• Compact Package: The SOT323 package is compact and suitable for space-constrained applications, making it ideal for modern electronic designs.
• Environmental Compliance: The LDK220C-R is REACH unaffected and RoHS3 compliant, adhering to environmental regulations and ensuring sustainability.
• High PSRR: The regulator offers a high power supply rejection ratio (PSRR) of 60dB to 45dB across a frequency range of 120Hz to 10kHz, ensuring stable output voltage.

LDK220C-R Applications

The LDK220C-R is well-suited for a variety of applications where low power consumption, high efficiency, and compact size are critical. Key applications include:

• Portable Devices: Ideal for battery-operated devices such as smartphones, tablets, and wearable technology where low power consumption and high efficiency are essential.
• Consumer Electronics: Suitable for applications in consumer electronics, including audio and video equipment, where stable voltage regulation and low noise performance are required.
• Industrial Control Systems: The regulator's robust protection features and high efficiency make it suitable for industrial control systems and embedded applications.
• Medical Devices: The compact size and low power consumption of the LDK220C-R make it ideal for medical devices where space and power efficiency are critical.

Conclusion of LDK220C-R

The LDK220C-R from STMicroelectronics is a versatile and efficient linear voltage regulator that offers a range of performance benefits and features. Its low dropout voltage, low quiescent current, and adjustable output voltage make it suitable for a wide range of applications, particularly in portable and space-constrained devices. The inclusion of enable control and robust protection features enhances its reliability and flexibility. With its compact SOT323 package and environmental compliance, the LDK220C-R is an excellent choice for modern electronic designs requiring high efficiency and reliability.