The TPS793285DBVRG4 from Texas Instruments is a high-precision, low-dropout voltage regulator that offers the benefits of ultra-low noise, high power supply rejection ratio (PSRR), and low quiescent current. This regulator is designed to deliver a stable and clean power supply, making it an ideal choice for sensitive RF and analog circuitry that requires a pristine power source.

Key Features

• Output Voltage: The device provides a fixed output voltage of 2.85V, which is suitable for a variety of low-voltage applications.
• High PSRR: With a high PSRR of 70dB at 1kHz, this voltage regulator suppresses fluctuations from the input power supply, ensuring a stable output even in the presence of noise and ripple on the input line.
• Low Noise: The TPS793285DBVRG4 boasts an ultra-low output noise level of 28µVRMS, making it perfect for noise-sensitive applications such as precision analog circuits.
• Low Dropout: The low dropout voltage allows for efficient operation even when the input voltage is close to the output voltage, minimizing power loss and heat dissipation.
• Low Quiescent Current: It features a low quiescent current of only 17µA, which is ideal for battery-powered devices, as it helps to extend battery life.
• Fast Start-Up: The quick start-up time of this regulator is beneficial for applications that require rapid power-up sequences.
• Thermal Shutdown and Overcurrent Protection: Built-in safety features protect the device from damage due to overheating and overcurrent conditions.

Applications

The TPS793285DBVRG4 is highly versatile and can be used in a wide range of applications, including:

• RF and wireless communication devices
• Portable and battery-powered equipment
• Medical devices and instrumentation
• Analog and mixed-signal circuits
• High-fidelity audio applications

Package and Quality

This regulator is offered in a compact 5-pin SOT-23 package, which is suitable for space-constrained applications. The TPS793285DBVRG4 is part of Texas Instruments' commitment to high-quality and reliable components, ensuring performance and durability for a wide array of electronic systems.