STMicroelectronics

LD49100PU25RY  

Linear & Switching Voltage Regulators

LD49100PU25RY Description

The LD49100PU25RY is a high-performance linear regulator designed for automotive applications, manufactured by STMicroelectronics. This regulator offers a fixed output voltage of 2.5V and can deliver a continuous output current of up to 1A. It is designed to operate with an input voltage range up to 5.5V, making it suitable for a variety of power management needs. The LD49100PU25RY features a low dropout voltage of 0.4V at 1A, ensuring efficient operation even under low input voltage conditions. The regulator is housed in a 6DFN package, which is ideal for surface mount applications and provides a robust solution for demanding automotive environments.

LD49100PU25RY Features

• Fixed Output Voltage: The LD49100PU25RY provides a stable output voltage of 2.5V, ensuring consistent power delivery to sensitive electronic components.
• High Current Capability: With a maximum output current of 1A, this regulator can support a wide range of applications requiring high current loads.
• Low Dropout Voltage: The maximum dropout voltage of 0.4V at 1A ensures efficient operation and minimal power loss, even when the input voltage is close to the output voltage.
• Low Quiescent Current: The quiescent current of 50 µA minimizes power consumption during standby or low-load conditions, enhancing overall system efficiency.
• Enable Control Feature: The enable control feature allows for dynamic control of the regulator’s operation, providing flexibility in power management and system design.
• Protection Features: The regulator includes over-current and over-temperature protection, ensuring reliable operation and safeguarding against potential faults.
• Automotive Grade: Certified for automotive applications, the LD49100PU25RY meets the stringent reliability and performance requirements of the automotive industry.
• Surface Mount, Wettable Flank: The surface mount package with wettable flanks is designed for easy assembly and ensures robust mechanical and electrical connections.

LD49100PU25RY Applications

The LD49100PU25RY is ideal for a variety of automotive applications where reliable power management is critical. Some specific use cases include:

• In-Car Electronics: Powering infotainment systems, navigation units, and other in-car electronic devices that require stable and efficient power supply.
• Sensors and Actuators: Providing power to various sensors and actuators in automotive systems, ensuring accurate and reliable operation.
• Control Modules: Supporting the power needs of electronic control units (ECUs) and other control modules in modern vehicles.
• Battery Management Systems: Enhancing the efficiency and reliability of battery management systems by providing a stable power source.

Conclusion of LD49100PU25RY

The LD49100PU25RY from STMicroelectronics is a versatile and reliable linear regulator designed to meet the demanding requirements of automotive applications. Its combination of a fixed 2.5V output, high current capability, low dropout voltage, and low quiescent current makes it an ideal choice for a wide range of power management tasks. The inclusion of enable control and comprehensive protection features further enhances its flexibility and reliability. With its automotive-grade certification and robust surface mount package, the LD49100PU25RY stands out as a high-performance solution for modern automotive electronics.

LD49100PU25RY Documents

Download datasheets and manufacturer documentation for LD49100PU25RY

Datasheets :

LD49100