The LDK220C50R from STMicroelectronics is a highly efficient, low drop voltage regulator designed to provide a stable output with a low dropout voltage of just 50mV at up to 200mA of load current. This makes it an ideal choice for battery-powered applications where extending battery life is critical.

This voltage regulator is part of STMicroelectronics' LDK series, which is known for its low quiescent current, a feature that further enhances the energy efficiency of the application it is used in. The LDK220C50R operates within an input voltage range of 2.5V to 5.5V, making it versatile for various electronic circuits and systems.

The LDK220C50R is available in a compact SOT-323-5L package, which is suitable for space-constrained applications. Despite its small size, it provides excellent thermal performance, ensuring reliable operation over a wide temperature range from -40°C to 125°C.

With a fixed output voltage of 5V, the LDK220C50R is ready to power a wide array of devices requiring a stable supply voltage. Its accuracy is maintained with a tight output voltage tolerance, ensuring that connected components receive a consistent voltage level for optimal performance.

Safety and reliability are key considerations in the design of the LDK220C50R. It incorporates several protection features, including thermal shutdown, short-circuit protection, and current limiting. These features safeguard the regulator and the application from damage due to abnormal operating conditions.

• Key Features:
• Low dropout voltage: 50mV at 200mA load
• Low quiescent current
• Input voltage range: 2.5V to 5.5V
• Fixed output voltage: 5V
• Output voltage tolerance: tight accuracy
• Operating temperature range: -40°C to 125°C
• Protection features: thermal shutdown, short-circuit protection, current limiting
• Package: SOT-323-5L

The LDK220C50R is an excellent choice for designers looking to enhance the power management efficiency of their portable and wearable devices, IoT applications, and any other systems where power conservation is paramount.