The TPS79228DBVRG4 is a high-precision, low-dropout voltage regulator designed and manufactured by Texas Instruments, a leader in semiconductor solutions. This voltage regulator offers an optimal combination of low dropout voltage, high output voltage accuracy, low noise, and high power supply rejection ratio (PSRR), making it suitable for a variety of sensitive applications.

Key Features

• Output Voltage: The device provides a fixed output voltage of 2.8V, which is ideal for powering sensitive analog and digital circuits that require a stable supply voltage.
• High Accuracy: With an output voltage accuracy of ±0.5%, the TPS79228DBVRG4 ensures precise voltage levels for critical applications.
• Low Dropout Voltage: The low dropout feature allows the regulator to maintain a constant output voltage even when the supply voltage is very close to the output voltage, enhancing efficiency and battery life in portable applications.
• Low Noise: This device exhibits extremely low output noise, making it perfect for RF and precision instrumentation applications where noise can significantly impact performance.
• High PSRR: A high PSRR of 62 dB at 1 kHz minimizes the effects of supply voltage variations on the output voltage, providing a more stable and clean voltage to the load.
• Thermal Shutdown and Overcurrent Protection: The TPS79228DBVRG4 includes built-in safety features such as thermal shutdown and overcurrent protection to prevent damage from overheating and excessive load conditions.
• Package: The regulator is offered in a compact SOT-23 (DBVR) package, making it suitable for space-constrained applications.

Applications

The TPS79228DBVRG4 is versatile and can be used in a range of applications, including:

• Portable and battery-powered devices
• RF applications
• High-precision analog circuits
• Microcontroller or microprocessor power supplies
• Post-regulation for switching power supplies

With its high performance and reliability, the TPS79228DBVRG4 from Texas Instruments is an excellent choice for designers looking to optimize their power management solutions.