The TPS76628D from Texas Instruments is a highly efficient, low-dropout (LDO) voltage regulator designed to deliver a fixed output of 2.8V with a maximum current of 250mA. This regulator is part of the TPS766xx family, which is known for its low quiescent current, making it an ideal choice for battery-powered applications where extending battery life is crucial.

Key Features

• Output Voltage: The TPS76628D provides a stable 2.8V output, which is suitable for powering sensitive electronic components that require a precise voltage level.
• Dropout Voltage: With a low dropout voltage of typically 85mV at full load, it ensures efficient operation even when the input voltage is close to the output voltage, thus preserving battery life in portable devices.
• Current Capacity: Capable of supplying up to 250mA of output current, this regulator can support a wide range of peripherals and microcontrollers.
• Low Quiescent Current: The TPS76628D boasts an exceptionally low quiescent current of 28µA in light-load conditions, which further enhances its suitability for battery-operated devices.
• Thermal Protection: It includes built-in thermal shutdown protection that safeguards the device and the system from damage due to overheating.
• Overcurrent Protection: The regulator features overcurrent protection to prevent damage from high current loads or short-circuit conditions.

Applications

The TPS76628D is versatile and can be used in a variety of applications, including:

• Portable electronics such as PDAs, cell phones, and tablets
• Wireless communication devices
• Digital cameras and audio devices
• Microcontroller or microprocessor power supplies

Package and Availability

The TPS76628D is available in an 8-pin SOIC package, providing a compact solution for space-constrained applications. It is widely available for purchase through Texas Instruments' authorized distributors, ensuring ready access for designers and manufacturers around the world.