Texas Instruments

TPS79628DRBR

TPS79628DRBR Description

The TPS79628DRBR is a fixed-output linear regulator designed by Texas Instruments, offering a robust solution for power management applications. This regulator features a maximum input voltage of 5.5V and a fixed output voltage of 2.8V, capable of delivering up to 1A of output current. With a dropout voltage of 0.9V at 250mA, it ensures efficient power delivery even under varying load conditions. The TPS79628DRBR is housed in an 8-SON package, making it suitable for surface mount applications. Despite its obsolete status, it remains a reliable choice for specific power management needs, with features such as enable control and comprehensive protection mechanisms including over current, over temperature, reverse polarity, and under voltage lockout (UVLO).

TPS79628DRBR Features

• Output Type: Fixed, providing a stable 2.8V output voltage.
• Input Voltage Range: Up to 5.5V, ensuring compatibility with a wide range of power sources.
• Output Current: Capable of delivering up to 1A, making it suitable for applications requiring moderate to high current loads.
• Dropout Voltage: Maximum of 0.9V at 250mA, ensuring efficient operation even at low input-to-output voltage differentials.
• Quiescent Current: Low quiescent current of 385 µA, minimizing power consumption in standby mode.
• Power Supply Rejection Ratio (PSRR): Ranging from 59dB at 100Hz to 42dB at 100kHz, providing excellent noise rejection and stable output voltage.
• Control Features: Enable control allows for dynamic power management and shutdown capabilities.
• Protection Features: Comprehensive protection mechanisms including over current, over temperature, reverse polarity, and under voltage lockout (UVLO) ensure reliable operation and protect against various fault conditions.
• Compliance: REACH unaffected and ROHS3 compliant, ensuring environmental sustainability and regulatory adherence.
• Moisture Sensitivity Level (MSL): Level 2 (1 Year), suitable for standard manufacturing processes and storage conditions.

TPS79628DRBR Applications

The TPS79628DRBR is ideal for a variety of applications where stable and efficient power delivery is crucial. Its fixed 2.8V output and 1A current capability make it suitable for powering microcontrollers, sensors, and other low-power electronics. The low dropout voltage ensures efficient operation in battery-powered devices, extending battery life by minimizing power loss during voltage regulation. The enable control feature allows for power-saving modes, making it suitable for applications requiring dynamic power management. The comprehensive protection features make it robust against overloads, temperature extremes, and voltage fluctuations, ensuring reliable operation in harsh environments. Specific use cases include:

• Battery-Powered Devices: Ideal for portable electronics where efficient power delivery and low dropout voltage are essential.
• Microcontroller Power Supplies: Provides stable power to microcontrollers and other low-power ICs, ensuring reliable operation.
• Sensor Applications: Suitable for powering sensors in IoT devices, industrial automation, and other monitoring systems.
• Embedded Systems: Ideal for embedded systems requiring efficient power management and robust protection features.

Conclusion of TPS79628DRBR

The TPS79628DRBR, despite being obsolete, remains a reliable and efficient linear regulator for power management applications. Its fixed 2.8V output and 1A current capability, combined with low dropout voltage and comprehensive protection features, make it an ideal choice for a variety of applications, particularly in battery-powered devices and low-power electronics. The enable control feature and low quiescent current further enhance its suitability for applications requiring dynamic power management and energy efficiency. While newer alternatives may offer additional features, the TPS79628DRBR continues to provide a robust and reliable solution for power management needs.