The LD3985J26R from STMicroelectronics is a high-performance, low-dropout (LDO) linear voltage regulator designed to provide a stable and accurate output voltage with a low input-to-output differential. This regulator is particularly suitable for battery-powered devices due to its low quiescent current and high efficiency, which help to extend battery life.

Key Features

• Output Voltage: The LD3985J26R provides a fixed output voltage of 2.6V, which is ideal for powering sensitive electronic components that require a precise voltage level.
• Low-Dropout: With its low dropout performance, this regulator can maintain regulation with minimal difference between the input and output voltages, making it efficient in scenarios where the input voltage is close to the output voltage.
• High Accuracy: The output voltage tolerance is typically within ±1%, ensuring reliable and consistent performance for critical applications.
• Low Quiescent Current: The device features an exceptionally low quiescent current of typically 0.8µA in shutdown mode and 50µA in operational mode, which is beneficial for portable applications with stringent power budgets.
• Thermal Protection: The LD3985J26R is equipped with thermal shutdown protection that safeguards the device from damage due to excessive temperature.
• Current Limiting: Built-in current limiting protects the regulator and the load from overcurrent conditions.

Applications

The LD3985J26R is versatile and can be used in a wide range of applications, including:

• Mobile Phones
• Portable Media Players
• Wireless LANs
• GPS Receivers
• Portable Gaming Consoles
• Cameras and Digital Camcorders

Package and Quality

This regulator is available in a small SOT-23-5 package, making it suitable for space-constrained applications. Additionally, the LD3985J26R is RoHS compliant and manufactured to meet the high-quality standards expected from STMicroelectronics, a global leader in semiconductor solutions.