The TPS79401DGNT is a high-precision, low-dropout voltage regulator from Texas Instruments, designed to deliver a stable and reliable power supply for sensitive electronic components. This regulator is part of the TPS794xx family and is known for its ultra-low noise performance, making it an ideal choice for RF and analog circuits where noise can significantly impact performance.

Key Features

• Output Voltage: The TPS79401DGNT provides a fixed output voltage of 1.0V, which is critical for powering sensitive digital and analog circuits that require a precise and stable voltage supply.
• High Accuracy: With an impressive output voltage accuracy of ±0.5%, this regulator ensures minimal deviation from its rated output, even under varying load and input voltage conditions.
• Low Dropout Voltage: The device features a low dropout voltage, typically 17mV at 250mA load, which allows it to maintain regulation with minimal difference between the input and output voltages.
• Ultra-Low Noise: The TPS79401DGNT boasts an ultra-low output noise of 32μVRMS (10Hz to 100kHz), making it suitable for sensitive applications such as precision instrumentation, RF, and mixed-signal designs.
• High PSRR: With a high power supply rejection ratio (PSRR) of 70dB at 1kHz, it effectively filters input supply noise, which is essential for maintaining output voltage stability.

Applications

The TPS79401DGNT is versatile and can be used in a variety of applications, including:

• Portable and battery-powered devices
• Wireless communication systems
• Medical equipment
• Audio and video applications
• High-precision analog and RF instrumentation

Package and Availability

This voltage regulator is available in an 8-pin MSOP PowerPAD™ package, which is designed to enhance thermal performance and reduce the overall footprint on the PCB. The TPS79401DGNT is also RoHS compliant and supports a wide operating temperature range, making it suitable for industrial and commercial applications.

For detailed specifications, application notes, and additional resources, visit the Texas Instruments official website or contact their support team for technical assistance.