The REG113EA-3 is a high-performance, low-dropout (LDO) voltage regulator from Texas Instruments, designed to deliver a continuous output current of up to 400 mA. This efficient and reliable regulator is a part of TI's extensive range of power management integrated circuits, catering to a wide array of electronic applications.

Key Features

• Output Voltage: The REG113EA-3 provides a fixed output voltage of 3.3V, which is ideal for powering digital circuits that require a stable and precise voltage supply.
• Low Dropout Voltage: With a dropout voltage as low as 250 mV at full load, this LDO ensures efficient operation even when the input voltage is close to the output voltage, making it suitable for battery-powered devices.
• High Accuracy: The output voltage is precise, with an accuracy of ±1%, ensuring reliable performance for sensitive electronic components.
• Low Quiescent Current: The REG113EA-3 features a low quiescent current of 500 μA, which is beneficial for portable applications where power conservation is critical.
• Thermal and Overcurrent Protection: Built-in thermal shutdown and current limit features provide protection against excessive temperature and current, enhancing the longevity and safety of both the regulator and the device it powers.
• Fast Transient Response: The regulator is designed for a fast transient response, which is essential for applications that experience rapid changes in load current.
• Noise Reduction: An optional external bypass capacitor can be connected to reduce output noise, making this regulator suitable for noise-sensitive applications such as audio or RF circuits.

Applications

The REG113EA-3 is versatile and can be used in various applications, including:

• Portable Devices
• Battery-Powered Equipment
• Microprocessor/ Microcontroller Power Supplies
• Reference Voltage Sources
• Audio and RF Circuits

With its combination of low dropout performance, high accuracy, and protection features, the REG113EA-3 from Texas Instruments is an excellent choice for designers looking to optimize power in their electronic systems.