Overview of Texas Instruments TPS79628DCQR

The Texas Instruments TPS79628DCQR is a high-performance, low-dropout (LDO) linear voltage regulator that offers excellent AC performance with very low ground current. This regulator is capable of supplying 1A of output current with a dropout voltage of just 85mV at full load. The TPS79628DCQR is designed for high-accuracy, high-efficiency power conversion, which makes it an ideal choice for a variety of applications, including battery-powered devices, portable media players, and other mobile computing devices.

Key Features

• High Output Accuracy: The TPS79628DCQR maintains a tight output voltage regulation, ensuring a stable and reliable power supply for sensitive electronic components.
• Low Dropout Voltage: With a dropout voltage of only 85mV at a full 1A load, it helps preserve battery life in portable applications by maximizing the usable range of the input power source.
• Low Quiescent Current: The device features a low ground pin current (quiescent current), which is crucial for battery-operated devices as it minimizes power consumption when in standby mode.
• Fast Transient Response: The excellent transient response of this regulator allows it to maintain a stable output voltage even during rapid changes in load, which is vital for maintaining the performance of digital circuits.
• Adjustable Output: The output voltage can be set from 1.22V to 5.5V with external resistors, offering flexibility to match the needs of various applications.
• Thermal and Overcurrent Protection: The device incorporates built-in thermal shutdown and current limit features to protect against over-temperature and over-current conditions.

Applications

The TPS79628DCQR is suitable for a wide range of applications that require high power efficiency and a stable voltage supply. It is particularly useful in:

• Portable and battery-powered equipment
• Wireless LAN and communication devices
• FPGA, DSP, and ASIC power supplies
• Medical equipment
• Automotive infotainment systems

With its robust design and comprehensive feature set, the TPS79628DCQR from Texas Instruments represents a reliable power management solution for designers looking to optimize the performance and battery life of their electronic devices.