LDK220M40R Description
The LDK220M40R is a linear voltage regulator designed and manufactured by STMicroelectronics. It offers a fixed output voltage of 4V and can deliver a continuous output current of 200mA. This regulator has a single output configuration and is designed for positive voltage regulation. The device is surface mountable and is packaged in a tape and reel format, making it suitable for automated assembly processes.
LDK220M40R Features
- Fixed Output Voltage: The LDK220M40R provides a stable 4V output, making it ideal for applications requiring a fixed voltage reference.
- High Efficiency: With a maximum dropout voltage of 0.35V at 200mA, the LDK220M40R offers high efficiency in low-dropout applications.
- Low Quiescent Current: The device consumes only 90µA in quiescent mode, making it suitable for battery-powered applications where power consumption is critical.
- Robust Protection Features: The LDK220M40R includes overcurrent and overtemperature protection, ensuring reliable operation and long device life.
- Excellent PSRR: The device boasts a power supply rejection ratio (PSRR) of 55dB at 120Hz to 50dB at 10kHz, providing excellent noise rejection for sensitive applications.
- Compliance and Standards: The LDK220M40R is compliant with the RoHS3 directive and is classified as EAR99, making it suitable for international trade.
- Moisture Sensitivity Level (MSL): With an MSL of 1, the device can be stored and handled without strict humidity controls, simplifying logistics and storage.
LDK220M40R Applications
The LDK220M40R is ideal for a variety of applications where a stable and reliable voltage supply is required:
- Portable Electronics: Due to its low quiescent current, the LDK220M40R is well-suited for battery-powered devices such as smartphones, tablets, and wearables.
- Industrial Controls: The device's robust protection features make it suitable for industrial control systems where reliability and longevity are crucial.
- Automotive Electronics: The LDK220M40R can be used in automotive applications where a stable voltage supply is needed for various electronic components.
- Medical Devices: The device's low noise and high PSRR make it suitable for medical equipment that requires precise voltage regulation.
Conclusion of LDK220M40R
The LDK220M40R from STMicroelectronics is a versatile linear voltage regulator that offers a combination of high efficiency, low power consumption, and robust protection features. Its fixed 4V output and ability to handle up to 200mA of current make it an excellent choice for a wide range of applications, from portable electronics to industrial controls. With its compliance to international standards and excellent PSRR, the LDK220M40R stands out as a reliable and high-performance solution in the linear voltage regulator market.