Texas Instruments

TPS79901DDCRG4

TPS79901DDCRG4 Description

The TPS79901DDCRG4 is a high-performance linear regulator from Texas Instruments, designed to deliver adjustable output voltages with exceptional efficiency and stability. This device is part of the Power Management Integrated Circuits (PMIC) category and is housed in a compact SOT23-5 package, making it ideal for space-constrained applications. The regulator supports an input voltage range up to 6.5V and can provide a maximum output current of 200mA. With a minimum output voltage of 1.2V and a maximum dropout voltage of 0.18V at 200mA, the TPS79901DDCRG4 ensures minimal power loss and high efficiency, even under heavy load conditions.

TPS79901DDCRG4 Features

The TPS79901DDCRG4 offers several unique features that set it apart from similar linear regulators:

• Adjustable Output Voltage: The regulator can be configured to provide an output voltage ranging from 1.2V to 6.5V, making it highly versatile for various applications.
• Low Dropout Voltage: With a maximum dropout voltage of 0.18V at 200mA, the TPS79901DDCRG4 ensures high efficiency, especially in low-input voltage scenarios.
• Low Quiescent Current: The device consumes only 60 µA of quiescent current, which is crucial for battery-operated systems where power conservation is paramount.
• High PSRR: The regulator boasts a Power Supply Rejection Ratio (PSRR) of 70dB at 100Hz, reducing to 38dB at 100kHz, ensuring minimal noise in the output voltage.
• Protection Features: The TPS79901DDCRG4 includes comprehensive protection features such as over-current, over-temperature, reverse polarity, and under-voltage lockout (UVLO), safeguarding the device and connected components.
• Enable Control: The regulator features an enable pin, allowing for dynamic control of the output voltage, which is beneficial for power sequencing and power management in complex systems.
• Compliance and Packaging: The device is REACH unaffected and RoHS3 compliant, ensuring it meets stringent environmental regulations. It is available in a Tape & Reel (TR) package, facilitating easy integration into automated assembly processes.

TPS79901DDCRG4 Applications

The TPS79901DDCRG4 is well-suited for a variety of applications due to its adjustable output voltage, low dropout voltage, and comprehensive protection features. Some specific use cases include:

• Battery-Powered Devices: The low quiescent current and high efficiency make it ideal for portable electronics and battery-operated systems where power consumption and battery life are critical.
• Low-Voltage Applications: The regulator's ability to operate with a low dropout voltage ensures stable performance even when the input voltage is close to the output voltage, making it suitable for low-voltage applications.
• Industrial Equipment: The comprehensive protection features and high PSRR make the TPS79901DDCRG4 a reliable choice for industrial applications where robustness and noise immunity are essential.
• Consumer Electronics: The compact SOT23-5 package and adjustable output voltage range make it a versatile solution for consumer electronics that require a small footprint and flexible power management.

Conclusion of TPS79901DDCRG4

The TPS79901DDCRG4 from Texas Instruments is a high-performance linear regulator that offers a perfect blend of efficiency, flexibility, and reliability. Its adjustable output voltage, low dropout voltage, and comprehensive protection features make it a standout choice in the power management domain. Whether used in battery-powered devices, low-voltage applications, or industrial equipment, the TPS79901DDCRG4 ensures stable and efficient power delivery. Its compact packaging and compliance with environmental regulations further enhance its appeal for modern electronics.