Texas Instruments

TPS79628DCQ

TPS79628DCQ Description

The TPS79628DCQ is a high-performance linear regulator designed by Texas Instruments, offering a fixed output voltage of 2.8V with a maximum output current of 1A. This regulator is optimized for low dropout voltage, ensuring efficient power delivery even under varying input conditions. The TPS79628DCQ is housed in a compact SOT223-6 package, making it suitable for space-constrained applications. It features a maximum input voltage of 5.5V and a dropout voltage of only 0.37V at 1A, which enhances its efficiency in low-voltage applications. The regulator also includes several protection features such as over-current protection, over-temperature protection, reverse polarity protection, and under-voltage lockout (UVLO), ensuring robust and reliable operation.

TPS79628DCQ Features

• Fixed Output Voltage: The TPS79628DCQ provides a stable 2.8V output voltage, making it ideal for applications requiring a consistent power supply.
• Low Dropout Voltage: With a dropout voltage of 0.37V at 1A, the regulator maintains high efficiency even when the input voltage is close to the output voltage.
• High Output Current: Capable of delivering up to 1A of current, this regulator can support a wide range of power-hungry applications.
• Enable Control Feature: The enable feature allows for dynamic control of the regulator, enabling power savings and flexible system management.
• Protection Features: Over-current, over-temperature, reverse polarity, and under-voltage lockout (UVLO) protections ensure the regulator operates safely under various conditions.
• Low Quiescent Current: The regulator has a low quiescent current of 385 µA, which minimizes power consumption during standby or low-load conditions.
• High PSRR: The TPS79628DCQ offers a high power supply rejection ratio (PSRR) of 59dB at 100Hz and 42dB at 100kHz, effectively filtering out noise from the input supply.
• Compliance and Packaging: The regulator is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards. It is available in a tube package, suitable for surface mount applications.

TPS79628DCQ Applications

The TPS79628DCQ is well-suited for a variety of applications where a reliable and efficient power supply is required. Its low dropout voltage and high output current make it ideal for portable devices, consumer electronics, and industrial systems. Specific applications include:

• Portable Devices: Smartphones, tablets, and other handheld devices benefit from the regulator's low dropout voltage and high efficiency, extending battery life.
• Consumer Electronics: Televisions, set-top boxes, and gaming consoles can utilize the TPS79628DCQ for stable power supply and reduced power consumption.
• Industrial Systems: Industrial control systems, automation equipment, and IoT devices can leverage the regulator's robust protection features and high reliability.
• Medical Equipment: Diagnostic tools and monitoring devices require stable and reliable power, which the TPS79628DCQ can provide.

Conclusion of TPS79628DCQ

The TPS79628DCQ from Texas Instruments is a versatile and efficient linear regulator designed to meet the demands of modern electronic systems. Its low dropout voltage, high output current, and comprehensive protection features make it a reliable choice for a wide range of applications. The regulator's compact SOT223-6 package and low quiescent current further enhance its suitability for space-constrained and low-power applications. With its high PSRR and compliance with environmental standards, the TPS79628DCQ stands out as a superior option for designers seeking a high-performance power management solution.