Supply original REG1117FA-2.5/500, PMIC - Voltage Regulators - Linear, by Texas Instruments

The REG1117FA-2.5/500 is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments. This component is designed to provide a stable output voltage of 2.5 volts while allowing for a maximum output current of 500 milliamps.

Key Features:

1. Input Voltage Range: The REG1117FA can accept a wide range of input voltages, typically from 4.75V to 15V, making it versatile for various applications.

2. Low Dropout Voltage: One of the standout features of this LDO is its low dropout voltage, which is typically around 1.2V at full load. This means that the input voltage can be very close to the output voltage, allowing for efficient operation in battery-powered devices.

3. Thermal Performance: The device is designed to handle thermal dissipation effectively, with a thermal shutdown feature that protects the regulator from overheating. This is crucial for maintaining reliability in high-temperature environments.

4. Package Type: The REG1117FA-2.5/500 is available in a surface-mount package, which is compact and suitable for modern PCB designs. The small footprint allows for efficient use of space in electronic devices.

5. Output Capacitor: The regulator is stable with a variety of output capacitors, including ceramic capacitors, which are often preferred for their low equivalent series resistance (ESR) and size.

6. Applications: This LDO is ideal for powering low-voltage digital circuits, microcontrollers, and other sensitive electronic components. It is commonly used in portable devices, telecommunications equipment, and automotive applications.

7. Protection Features: In addition to thermal shutdown, the REG1117FA includes overcurrent protection, ensuring that the device can handle fault conditions without damage.

Electrical Characteristics:

• Output Voltage: 2.5V (fixed)
• Maximum Output Current: 500mA
• Dropout Voltage: Typically 1.2V at 500mA
• Quiescent Current: Low quiescent current, which is beneficial for battery-operated devices.

Conclusion:

The REG1117FA-2.5/500 from Texas Instruments is a reliable and efficient voltage regulator that provides a stable output for various electronic applications. Its low dropout voltage, thermal protection features, and compact design make it an excellent choice for engineers looking to implement power management solutions in their designs.