The TPS79401DGNRG4 is a high-precision, low-dropout voltage regulator designed and manufactured by Texas Instruments. This regulator is built to deliver a stable and reliable performance in a variety of electronic applications. Its key features make it an ideal choice for sensitive RF and analog circuitry that require a clean power supply.

Key Features

• Output Voltage: The device offers an adjustable output voltage range from 1.5V to 5.5V, which can be set using external resistors. This flexibility makes it suitable for a wide range of applications.
• High Accuracy: The TPS79401DGNRG4 provides excellent load and line regulation, maintaining a tight output voltage accuracy of ±0.5% over temperature, line, and load variations.
• Low Dropout: With a very low dropout voltage, this regulator operates efficiently even when the input voltage is close to the output voltage, which is crucial for battery-powered devices.
• Low Noise: This component features a low output noise of 34µVRMS, making it suitable for noise-sensitive applications such as audio or RF systems.
• Fast Transient Response: The device is designed to have a fast transient response, which helps in maintaining output voltage stability during sudden changes in load.
• Power-Saving Mode: It includes a power-saving shutdown mode, which reduces the quiescent current to less than 1µA, thereby preserving battery life in portable devices.

Package and Reliability

The TPS79401DGNRG4 comes in an 8-pin MSOP PowerPAD™ package, which not only saves space but also improves thermal performance. The device is characterized for operation over a wide temperature range of –40°C to 125°C, ensuring reliability in various environments.

Applications

With its precise voltage regulation and low noise characteristics, the TPS79401DGNRG4 is well-suited for powering VCOs, RF amplifiers, ADCs, and DACs. It is also ideal for use in portable and battery-powered equipment, medical devices, and instrumentation, where power efficiency and noise minimization are critical.

Note: For detailed technical specifications, application circuits, and installation guidelines, please refer to the TPS79401DGNRG4 datasheet provided by Texas Instruments.