The TPS79901DDCRG4 is a high-performance, 200mA low-dropout linear regulator (LDO) from Texas Instruments, engineered to meet the rigorous demands of power management within complex electronic systems. This particular component offers a stable and reliable solution for applications requiring low input voltage and low-power consumption.

Key Features

• High PSRR: With an impressive power supply rejection ratio (PSRR) of 65dB at 1kHz, the TPS79901DDCRG4 ensures minimal noise from the power supply is transferred to the output, making it ideal for noise-sensitive applications such as RF and precision analog circuits.
• Low Dropout: The low dropout voltage allows this LDO to continue regulating the output voltage even when the supply voltage is very close to the output voltage, which is crucial for battery-powered devices where maximizing the usage of the available voltage is important.
• Adjustable Output: The output voltage can be adjusted from 1.2V to 6.5V with the use of external resistors, providing flexibility to meet the needs of various applications.
• Thermal Protection: The device includes an over-temperature protection feature that shuts down the regulator if the internal temperature exceeds safe operating limits, thereby safeguarding the device and the system it powers.
• Low Quiescent Current: The TPS79901DDCRG4 exhibits a low quiescent current of only 40µA during operation and 1µA in shutdown mode, contributing to the overall energy efficiency of the system.

Applications

The versatility of the TPS79901DDCRG4 makes it suitable for a wide range of applications, including:

• Battery-powered devices
• Portable and wireless equipment
• Medical devices
• Analog and digital sensor systems
• Post-regulation for switching power supplies

Quality and Reliability

Texas Instruments is renowned for its commitment to quality and reliability, and the TPS79901DDCRG4 is no exception. It is designed to meet the stringent requirements of industrial and commercial applications, ensuring long-term stability and performance.

For detailed technical specifications, application notes, and support resources, customers are encouraged to visit the official Texas Instruments website or contact their support team.