STMicroelectronics

LD39050PU25R

LD39050PU25R Description

The LD39050PU25R is a high-performance linear voltage regulator designed and manufactured by STMicroelectronics. This device is part of the Linear & Switching Voltage Regulators category and is known for its fixed output voltage of 2.5V and an output current capability of 500mA. The LD39050PU25R is designed to operate with an input voltage up to 5.5V and has a low dropout voltage of 0.4V at 500mA, ensuring stable operation even with low input voltages. It is a single-output regulator with a positive output configuration, making it suitable for a wide range of applications.

LD39050PU25R Features

• Output Type: Fixed, ensuring a stable and consistent output voltage.
• Voltage - Input (Max): 5.5V, allowing for a wide range of input voltage compatibility.
• Current - Output: 500mA, providing ample current for various applications.
• Number of Regulators: 1, simplifying design and reducing complexity.
• Output Configuration: Positive, suitable for applications requiring a positive voltage output.
• Current - Supply (Max): 200 µA, contributing to low power consumption.
• Product Status: Active, indicating ongoing production and availability.
• REACH Status: REACH Unaffected, ensuring compliance with European chemical regulations.
• Voltage Dropout (Max): 0.4V @ 500mA, maintaining high efficiency.
• RoHS Status: ROHS3 Compliant, adhering to environmental standards.
• Moisture Sensitivity Level (MSL): 1 (Unlimited), indicating robustness against moisture.
• Current - Quiescent (Iq): 50 µA, contributing to low power consumption in standby modes.
• PSRR: 65dB ~ 62dB (1kHz ~ 10kHz), providing excellent power supply rejection ratio.
• Mounting Type: Surface Mount, facilitating integration into compact designs.
• Control Features: Enable, Power Good, offering control and status feedback.
• Protection Features: Over Current, Over Temperature, Short Circuit, ensuring device reliability and safety.

LD39050PU25R Applications

The LD39050PU25R is ideal for applications where a stable and efficient power supply is critical. Some specific use cases include:

• Portable Electronics: Due to its low quiescent current and small form factor, it is suitable for battery-powered devices.
• Industrial Control Systems: The robust protection features make it a good fit for systems that require reliable power regulation.
• Automotive Electronics: The ability to handle a wide input voltage range makes it suitable for automotive applications.
• Telecommunications: The device's performance benefits, such as low dropout and high PSRR, are crucial for maintaining signal integrity in communication equipment.

Conclusion of LD39050PU25R

The LD39050PU25R from STMicroelectronics stands out for its combination of high efficiency, low dropout voltage, and robust protection features. Its fixed 2.5V output and 500mA current capability make it a versatile choice for a variety of applications, from portable electronics to industrial and automotive systems. With its compliance with environmental regulations and its active product status, the LD39050PU25R is a reliable and future-proof solution for designers looking to integrate a high-performance linear voltage regulator into their projects.