Texas Instruments

TPS71828-28YZCT

TPS71828-28YZCT Description

The TPS71828-28YZCT is a linear regulator IC designed for precision power management applications. Manufactured by Texas Instruments, this device is part of the Power Management Integrated Circuit (PMIC) category. It features a fixed output voltage of 2.8V and is capable of delivering a maximum output current of 200mA. The regulator is designed to operate with an input voltage range up to 6.5V, making it suitable for a variety of low-voltage applications. The TPS71828-28YZCT is housed in a 6DSBGA package, which is ideal for surface mount applications, ensuring compact and efficient integration into modern electronic designs.

TPS71828-28YZCT Features

• Fixed Output Voltage: The TPS71828-28YZCT provides a stable 2.8V output voltage, ensuring consistent power delivery to sensitive electronic components.
• High Efficiency: With a dropout voltage of only 0.4V at 200mA, this regulator maintains high efficiency even at lower input voltages, reducing power loss and improving overall system performance.
• Low Quiescent Current: The device features a low quiescent current of 160 µA, which is crucial for battery-operated devices where minimizing power consumption is essential.
• Enable Control: The enable feature allows for dynamic control of the regulator's operation, enabling power-saving modes and efficient power management.
• Protection Features: The TPS71828-28YZCT includes over-current protection, over-temperature, protection and under-voltage lockout (UVLO) to safeguard the device and connected components from potential damage.
• High PSRR: The regulator offers a high power supply rejection ratio (PSRR) ranging from 63dB at 100Hz to 44dB at 1MHz, effectively filtering out noise from the input supply and ensuring clean power output.
• Compliance and Reliability: The TPS71828-28YZCT is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards. It also has a moisture sensitivity level (MSL) of 1, making it suitable for a wide range of manufacturing environments.

TPS71828-28YZCT Applications

The TPS71828-28YZCT is well-suited for applications requiring precise and stable power delivery. Its low dropout voltage and high efficiency make it ideal for battery-powered devices, portable electronics, and low-voltage systems. Specific use cases include:

• Battery-Powered Devices: The regulator's low quiescent current and high efficiency ensure extended battery life, making it perfect for portable electronics such as smartphones, tablets, and wearable devices.
• Low-Voltage Systems: The ability to operate with input voltages up to6.5V and provide a stable 2.8V output makes it suitable for low-voltage applications in IoT devices, sensors, and microcontroller-based systems.
• Precision Power Management: The high PSRR and low dropout voltage ensure clean power delivery, making it ideal for applications where signal integrity and noise reduction are critical, such as in analog circuits and precision instrumentation.

Conclusion of TPS71828-28YZCT

The TPS71828-28YZCT from Texas Instruments is a robust and efficient linear regulator designed for precision power management. Its fixed 2.8V output, low dropout voltage, and low quiescent current make it an excellent choice for battery-powered and low-voltage applications. The inclusion of enable control and comprehensive protection features further enhances its versatility and reliability. Despite being marked as obsolete, the TPS71828-28YZCT remains a reliable option for engineers seeking a high-performance linear regulator in a compact surface mount package.