The LDS3985M28R is a high-performance, low-dropout linear voltage regulator produced by STMicroelectronics, a global leader in semiconductor solutions. This compact and efficient regulator is designed to provide a stable and precise voltage supply, making it an ideal choice for sensitive electronic applications where power integrity is crucial.

Key Features

• Output Voltage: The device offers a fixed output voltage of 2.8V, suitable for a range of low-voltage electronics.
• High Accuracy: The output voltage tolerance is exceptionally tight, with an accuracy of ±1%, ensuring reliable and consistent performance.
• Low Dropout: With a low dropout voltage of just 300mV at 150mA load, the LDS3985M28R is highly efficient and can operate close to the input voltage.
• Current Capacity: It can deliver up to 300mA of continuous output current, making it suitable for a variety of applications.
• Low Quiescent Current: The device features a very low quiescent current, which is ideal for battery-powered applications where power conservation is critical.
• Thermal Protection: The LDS3985M28R includes thermal shutdown protection to safeguard the device from overheating and potential damage.
• Stability: The regulator is stable with low ESR ceramic capacitors, ensuring a stable output even with rapid load changes.

Applications

The LDS3985M28R is versatile and can be used in a wide range of applications, including:

• Mobile phones and personal digital assistants (PDAs)
• Portable media players and audio devices
• Wireless LAN and Bluetooth® modules
• Microcontroller power supply
• Other battery-powered devices

Package and Availability

The LDS3985M28R comes in a small SOT-23-5 package, which is suitable for space-constrained applications. It is widely available through STMicroelectronics' distribution network, ensuring ready access for designers and manufacturers.

With its precise voltage regulation, low power consumption, and robust protection features, the LDS3985M28R from STMicroelectronics is an excellent choice for ensuring the stability and longevity of your electronic designs.