STMicroelectronics

LDO40LPU50RY

LDO40LPU50RY Description

The LDO40LPU50RY is a high-performance linear voltage regulator manufactured by STMicroelectronics, designed to provide a stable 5V output with a maximum output current of 400mA. This device is ideal for applications requiring low-dropout voltage regulation, low quiescent current, and high PSRR. With a fixed output voltage of 5V and a maximum input voltage of 38V, the LDO40LPU50RY offers excellent regulation and performance in a compact 6DFN package.

LDO40LPU50RY Features

• Fixed Output Voltage: The LDO40LPU50RY provides a fixed output voltage of 5V, ensuring consistent performance across a wide range of input voltages.
• Low Dropout Voltage: With a maximum dropout voltage of 0.27V at 400mA, this regulator maintains stable output even under heavy load conditions.
• Low Quiescent Current: A low quiescent current of 90 µA helps minimize power consumption in battery-powered applications.
• High PSRR: The LDO40LPU50RY boasts a high power supply rejection ratio (PSRR) of 77dB at 100Hz, ensuring excellent noise immunity.
• Automotive Grade: Designed for automotive applications, this regulator meets the stringent requirements of the automotive industry.
• RoHS Compliant: The LDO40LPU50RY is compliant with the RoHS3 directive, making it suitable for use in environmentally friendly products.
• Over Current and Over Temperature Protection: Built-in protection features ensure reliable operation and prevent damage to the device under fault conditions.

LDO40LPU50RY Applications

The LDO40LPU50RY is ideal for a wide range of applications, including:

• Automotive Electronics: Due to its automotive-grade rating, this regulator is well-suited for use in automotive infotainment systems, sensor interfaces, and other automotive electronics.
• Portable Devices: The low quiescent current and high PSRR make it an excellent choice for battery-powered portable devices, such as smartphones, tablets, and wearables.
• Industrial Control Systems: The LDO40LPU50RY's low dropout voltage and high PSRR make it suitable for use in industrial control systems, where stable voltage regulation is critical.
• Medical Devices: Its compact size and low quiescent current make it an ideal choice for battery-powered medical devices, such as wearable health monitors and portable diagnostic equipment.

Conclusion of LDO40LPU50RY

The LDO40LPU50RY is a versatile linear voltage regulator that offers excellent performance, reliability, and efficiency. Its fixed 5V output, low dropout voltage, and high PSRR make it an ideal choice for a wide range of applications, from automotive electronics to portable devices. With its automotive-grade rating, RoHS compliance, and built-in protection features, the LDO40LPU50RY is a reliable and cost-effective solution for demanding voltage regulation requirements.