The NJM2878F3-28 is a 2.8V fixed output LDO (Low Dropout) regulator from New Japan Radio (NJR). It is designed to provide a stable and precise 2.8V output voltage with low noise and low quiescent current. This regulator is suitable for various applications where a stable 2.8V supply is required, especially in battery-powered devices.

Applications:

• Power supply for microcontrollers and digital circuits
• Battery-powered devices
• Portable audio equipment
• Wireless communication devices
• Sensor power supply

Features:

• Fixed 2.8V output voltage
• Low dropout voltage
• Low quiescent current
• Overcurrent protection
• Overtemperature protection
• Small surface-mount package (SOT-23)

Benefits:

• Stable and precise 2.8V output voltage for sensitive circuits.
• Extended battery life due to low quiescent current.
• Protection against overcurrent and overtemperature conditions.
• Simplified board layout due to its small size.
• High efficiency due to low dropout voltage.

Additional Details:

The NJM2878F3-28 operates with a low dropout voltage, ensuring regulation even when the input voltage is close to the output voltage. The device is housed in a small SOT-23 package, making it suitable for space-constrained applications. It includes built-in overcurrent and overtemperature protection to safeguard the regulator and the connected load. The output voltage accuracy is typically within a few percent. The datasheet provides details on the input voltage range, output current capability, and thermal characteristics. The regulator requires external capacitors for stability; the recommended capacitor values are specified in the datasheet.