The LD39115J25R is a high-performance, low-dropout linear regulator designed and manufactured by STMicroelectronics, a global semiconductor leader known for its innovative and reliable products. This voltage regulator offers a fixed output voltage of 2.5V, which is ideal for powering low-voltage digital circuits and microcontroller-based systems that require a stable and precise voltage supply.

Key Features

• Low Dropout Voltage: The LD39115J25R boasts an ultra-low dropout voltage, which ensures efficient operation even when the input voltage is very close to the output voltage. This feature is particularly important for battery-powered applications where maximizing the usage of the available battery voltage is crucial.
• High Output Current: With the capability to deliver up to 150 mA of continuous output current, this regulator can easily support a wide range of applications, from simple low-power devices to more demanding circuits.
• High Accuracy: The output voltage is guaranteed to be within ±2% accuracy, providing a reliable power source for sensitive electronics that require precise voltage levels for optimal performance.
• Low Quiescent Current: The device features a very low quiescent current, which significantly reduces power consumption when the load is light or in standby mode, making it an excellent choice for portable and battery-powered applications where energy efficiency is paramount.
• Thermal Protection: The LD39115J25R is equipped with thermal shutdown protection that safeguards the device and the system from overheating, thereby ensuring long-term reliability and stability.

Applications

The LD39115J25R is suitable for a variety of applications, including but not limited to:

• Mobile phones and PDAs
• Portable media players
• Wireless LAN devices
• GPS receivers
• Microcontroller power supply

Package and Availability

The LD39115J25R is available in a compact SOT-323-5L package, which is designed to occupy minimal space on a printed circuit board. This small footprint, combined with the low profile of the package, makes it an excellent choice for space-constrained applications. For more information on pricing and availability, please contact STMicroelectronics or an authorized distributor.