The TPS79328YZQR from Texas Instruments is a high-performance, low-dropout (LDO) linear voltage regulator designed to deliver a stable and precise output voltage. This component is part of the TPS793xx family of voltage regulators that are known for their ultra-low noise, high power supply rejection ratio (PSRR), and low dropout voltage, making them ideal for sensitive RF and analog circuitry that requires a clean power supply.

Key Features

• Output Voltage: The TPS79328YZQR provides a fixed output voltage of 2.8V, which is suitable for various applications, including powering sensitive analog and RF circuits.
• High PSRR: It boasts a high PSRR of 72 dB at 1kHz, ensuring that variations in the input voltage do not affect the stability of the output voltage, thus providing a more reliable operation for sensitive applications.
• Ultra-Low Noise: This voltage regulator is designed to minimize noise, with an output voltage noise of just 32 µVRMS, making it an excellent choice for noise-sensitive applications such as audio or precision measurement devices.
• Low Dropout: The low dropout voltage allows the regulator to continue delivering a regulated output even when the supply voltage is very close to the output voltage, which is critical for battery-powered devices to maximize battery life.
• Thermal and Overcurrent Protection: The TPS79328YZQR includes built-in thermal shutdown and overcurrent protection features, safeguarding the device and the system it is part of from potential damage due to excessive heat or current.

Applications

The TPS79328YZQR is versatile and can be used in a wide range of applications, including but not limited to:

• Portable and battery-powered devices
• RF applications
• High-end audio equipment
• Medical equipment
• Analog and digital sensor systems

With its robust design and reliable performance, the TPS79328YZQR from Texas Instruments is an excellent choice for designers looking to enhance the performance of their sensitive electronic systems.