The TPS79401DCQG4 is a high-precision, low-dropout voltage regulator from Texas Instruments, designed to meet the requirements of sensitive RF/Analog circuitry found in a variety of applications. This regulator offers a stable and clean power supply, ensuring that devices function with maximum efficiency and reliability.

Key Features

• Output Voltage Range: The TPS79401DCQG4 provides a fixed output voltage of 1.8V, which is ideal for powering advanced digital and analog circuits.
• High Accuracy: With an outstanding output voltage accuracy of ±1%, this regulator maintains precise voltage levels, critical for high-performance applications.
• Low Dropout Voltage: Its low dropout voltage (LDO) of just 17mV at 200mA allows for efficient operation even when the supply voltage is close to the output voltage, reducing power loss and improving system efficiency.
• High PSRR: The device features a high power supply rejection ratio (PSRR) of 70dB at 1kHz, which is essential for applications that demand a clean power supply free from noise and ripple.
• Fast Transient Response: The TPS79401DCQG4 responds quickly to changes in load, ensuring stable performance during fluctuations in demand.
• Low Quiescent Current: The regulator is optimized for low quiescent current, making it suitable for battery-powered devices where power conservation is crucial.
• Thermal Protection: It includes built-in thermal shutdown protection, safeguarding the device and the system from damage due to overheating.
• Adjustable Output: An external resistor divider can be used to adjust the output voltage to meet specific application needs.

Applications

The TPS79401DCQG4 is versatile and can be used in a wide range of applications, including:

• RF and Analog Circuits
• Portable and Battery-Powered Equipment
• Medical Devices
• Data Acquisition Systems
• Telecommunications Infrastructure

Package and Quality

This regulator is available in a compact 5-pin SOT-23 package, which is suitable for space-constrained applications. Manufactured by Texas Instruments, a leader in semiconductor solutions, the TPS79401DCQG4 is built to the highest quality standards, ensuring performance and durability for a wide array of industrial and commercial uses.