STMicroelectronics

LD39100PU25RY  

Linear & Switching Voltage Regulators

LD39100PU25RY Description

The LD39100PU25RY is a high-performance linear regulator designed by STMicroelectronics, specifically tailored for automotive applications. This regulator offers a fixed output voltage of 2.5V and can deliver a maximum output current of 1A. It is designed to operate within an input voltage range up to 5.5V, ensuring robust performance in various operating conditions. The regulator features a low dropout voltage of 0.4V at 1A, which is crucial for maintaining efficiency in low headroom applications.

LD39100PU25RY Features

• Output Type: Fixed, providing a stable 2.5V output.
• Input Voltage Range: Up to 5.5V, ensuring compatibility with a wide range of power sources.
• Output Current: Capable of delivering up to 1A, suitable for applications requiring moderate power.
• Low Dropout Voltage: 0.4V at 1A, enhancing efficiency in low headroom scenarios.
• Quiescent Current: As low as 50 µA, minimizing power consumption during idle operation.
• Supply Current: Maximum of 300 µA, contributing to overall system efficiency.
• Power Supply Rejection Ratio (PSRR): 65dB to 62dB across the 1kHz to 10kHz range, ensuring excellent noise rejection.
• Control Features: Includes enable and power good signals, providing precise control and monitoring.
• Protection Features: Over current, over temperature, and short circuit protection, ensuring reliable operation and safeguarding against faults.
• Mounting Type: Surface mount, suitable for compact and high-density designs.
• Package: Tape & Reel (TR), facilitating automated assembly processes.
• Compliance: REACH unaffected and RoHS3 compliant, meeting stringent environmental and regulatory standards.
• Moisture Sensitivity Level (MSL): Level 3 (168 Hours), ensuring reliability in various environmental conditions.

LD39100PU25RY Applications

The LD39100PU25RY is ideally suited for automotive applications where reliability, efficiency, and performance are paramount. Its low dropout voltage and high PSRR make it suitable for applications such as:

• Automotive Electronics: Powering ECUs, sensors, and other critical automotive systems.
• Industrial Control Systems: Providing stable power to microcontrollers and other sensitive electronics.
• Telecommunications: Ensuring reliable power supply for communication modules and IoT devices.
• Consumer Electronics: Suitable for portable devices and gadgets requiring efficient power management.

Conclusion of LD39100PU25RY

The LD39100PU52RY from STMicroelectronics stands out as a reliable and efficient linear regulator, particularly suited for automotive and industrial applications. Its low dropout voltage, high PSRR, and robust protection features make it a superior choice over similar models. The regulator's compliance with industry standards and its surface mount package further enhance its versatility and ease of integration. Whether powering critical automotive systems or industrial control modules, the LD39100PU25RY ensures stable and efficient performance, making it a valuable component in modern electronic designs.

LD39100PU25RY Documents

Download datasheets and manufacturer documentation for LD39100PU25RY

Datasheets :

LD39100 Datasheet