STMicroelectronics

LDK320M50R

LDK320M50R Description

The LDK320M50R is a high-performance linear voltage regulator designed by STMicroelectronics, a leading semiconductor manufacturer. This device is part of the Linear & Switching Voltage Regulators category and offers a fixed output voltage of 5V with a maximum output current of 200mA. The LDK320M50R is designed to operate with an input voltage up to 18V, making it suitable for a wide range of applications. The device is currently active and compliant with REACH and RoHS3 regulations, ensuring environmental safety and sustainability.

LDK320M50R Features

• Fixed Output Voltage: The LDK320M50R provides a stable 5V output, ideal for applications requiring a fixed voltage supply.
• High Output Current: With a maximum output current of 200mA, this regulator can handle demanding applications that require higher current loads.
• Low Voltage Dropout: The LDK320M50R has a low voltage dropout of 0.35V @ 200mA, ensuring efficient operation even with low input voltages.
• Excellent PSRR: The device offers a power supply rejection ratio (PSRR) of 88dB to 48dB (120Hz to 10kHz), providing superior noise filtering capabilities.
• Over Current and Over Temperature Protection: The LDK320M50R includes built-in protection features to safeguard against over current and over temperature conditions.
• Low Quiescent Current: The device consumes only 90 µA in quiescent mode, making it energy-efficient for battery-powered applications.
• Surface Mount Packaging: The LDK320M50R is available in a compact SOT23-5 package, suitable for space-constrained designs.

LDK320M50R Applications

The LDK320M50R is ideal for a variety of applications where a stable 5V output is required. Some specific use cases include:

1. Portable Electronics: Due to its low quiescent current and high efficiency, the LDK320M50R is well-suited for battery-powered devices such as smartphones, tablets, and wearables.
2. Industrial Control Systems: The device's robust protection features and low dropout voltage make it suitable for industrial control systems that require stable power supplies.
3. Automotive Applications: The LDK320M50R can be used in automotive electronics, such as infotainment systems and sensor interfaces, where reliability and efficiency are crucial.
4. Medical Devices: The device's low noise and high PSRR make it suitable for medical equipment that requires precise voltage regulation.

Conclusion of LDK320M50R

The LDK320M50R is a versatile and high-performance linear voltage regulator that offers a fixed 5V output with a maximum output current of 200mA. Its low voltage dropout, excellent PSRR, and built-in protection features make it an ideal choice for a wide range of applications, including portable electronics, industrial control systems, automotive electronics, and medical devices. With its compact SOT23-5 package and compliance with REACH and RoHS3 regulations, the LDK320M50R is a reliable and environmentally friendly solution for your voltage regulation needs.