The STMicroelectronics LD2980ABU33TR is a high-performance, low-dropout voltage regulator designed to deliver a stable and precise 3.3V output voltage. This regulator is part of STMicroelectronics' LD2980 series, known for their reliability and efficiency in a wide range of applications. The LD2980ABU33TR is specifically tailored for portable and space-constrained electronic devices that require a consistent power supply.

Key Features

• Output Voltage: 3.3V fixed output with an accuracy of ±1% at 25°C, ensuring precise voltage regulation for sensitive electronic components.
• Low Dropout Voltage: Capable of maintaining regulation with a very small difference between the input and output voltages, minimizing power loss and improving efficiency.
• High Output Current: Provides up to 50 mA of output current, suitable for a range of low-power applications.
• Low Quiescent Current: The device features a very low idle current consumption, which is ideal for battery-powered applications where extending battery life is crucial.
• Thermal Overload Protection: Incorporates built-in thermal shutdown to protect the device from damage due to overheating.
• Short-Circuit Protection: Offers built-in short-circuit protection to safeguard the regulator and connected components from potential damage.

Applications

The LD2980ABU33TR is suitable for a diverse range of applications, including:

• Battery-powered devices
• Portable media players
• Mobile phones
• Personal digital assistants (PDAs)
• Low-power microcontrollers and IoT devices

Package Information

The LD2980ABU33TR comes in a compact SOT-89-3 package, which is ideal for applications where space is at a premium. Its small footprint and surface-mount design make it easy to integrate into a variety of circuit boards.

Conclusion

Overall, the STMicroelectronics LD2980ABU33TR is a robust and reliable choice for designers looking for a low dropout voltage regulator with a fixed 3.3V output. Its combination of low power consumption, protection features, and compact packaging make it an excellent choice for a wide range of electronic devices.