REG102GA-2.8G4

The REG102GA-2.8G4 is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments. It is designed to provide a stable output voltage with minimal input-output voltage differential, making it ideal for battery-powered applications and other scenarios where power efficiency is critical.

Key Features:

1. Output Voltage: The REG102GA-2.8G4 provides a fixed output voltage of 2.8V, which is suitable for powering various low-voltage devices and circuits.

2. Low Dropout Voltage: One of the standout features of this LDO is its low dropout voltage, typically around 0.1V at light loads. This means that it can maintain regulation even when the input voltage is very close to the output voltage, which is particularly beneficial in battery-operated devices.

3. Current Capability: The device can deliver up to 100mA of output current, making it suitable for a range of applications, from powering microcontrollers to driving small sensors.

4. Quiescent Current: The REG102GA-2.8G4 has a low quiescent current, which helps to extend battery life in portable applications. This feature is crucial for devices that require long operational periods without frequent battery replacements.

5. Thermal Performance: The regulator is designed to operate efficiently over a wide temperature range, ensuring reliable performance in various environmental conditions. It typically comes in a small package, which aids in thermal dissipation.

6. Protection Features: The REG102GA-2.8G4 includes built-in protection features such as thermal shutdown and current limiting, which help to prevent damage to the device and the load in case of fault conditions.

7. Package Type: The device is available in a compact SOT-23 package, which is suitable for space-constrained applications. This small footprint allows for easy integration into printed circuit boards (PCBs).

8. Applications: Common applications for the REG102GA-2.8G4 include portable electronics, battery-powered devices, RF applications, and any circuit requiring a stable 2.8V power supply.

Electrical Characteristics:

• Input Voltage Range: Typically from 2.5V to 6V, allowing for flexibility in various power supply scenarios.
• Output Voltage Tolerance: The output voltage is regulated to within a specified tolerance, ensuring that connected devices receive the correct voltage.
• Load Regulation: The device maintains a stable output voltage despite variations in load current, which is essential for sensitive electronic components.

Conclusion:

The REG102GA-2.8G4 from Texas Instruments is a versatile and efficient LDO voltage regulator that meets the needs of modern electronic designs. Its combination of low dropout voltage, low quiescent current, and robust protection features make it an excellent choice for a wide range of applications, particularly in battery-operated devices where efficiency and reliability are paramount.