Texas Instruments

TPS7A8400RGRR

The TPS7A8400RGRR is a low-dropout (LDO) linear voltage regulator manufactured by Texas Instruments. It is designed to provide a stable and reliable voltage output for a wide range of applications.

Description:

The TPS7A8400RGRR is a low-dropout linear voltage regulator that operates from an input voltage range of 2.5V to 5.5V and provides an adjustable output voltage from 1.23V to 5V. It is available in a small, thermally enhanced 10-pin WSON package.

Features:

1. Low dropout voltage: The TPS7A8400RGRR has a low dropout voltage of typically 180mV at 1A load, which allows it to maintain a stable output voltage even when the input voltage is close to the output voltage.
2. High PSRR: The regulator has a high power supply rejection ratio (PSRR) of typically 70dB at 1kHz, which minimizes the impact of input voltage noise on the output voltage.
3. Adjustable output voltage: The output voltage can be easily adjusted using external resistors, making it suitable for a wide range of applications.
4. Low quiescent current: The TPS7A8400RGRR has a low quiescent current of typically 5.5µA, which helps to extend the battery life in portable applications.
5. Overcurrent protection: The regulator features overcurrent protection to prevent damage to the device in the event of an overload.
6. Thermal shutdown: The TPS7A8400RGRR has a thermal shutdown feature that protects the device from overheating.

Applications:

The TPS7A8400RGRR is suitable for a wide range of applications that require a stable and reliable voltage output. Some common applications include:

1. Portable devices: The low quiescent current and low dropout voltage make it ideal for use in battery-powered applications such as smartphones, tablets, and wearable devices.
2. IoT devices: The adjustable output voltage and low noise characteristics make it suitable for use in IoT devices that require a stable power supply.
3. Industrial control systems: The high PSRR and overcurrent protection features make it suitable for use in industrial control systems that require a stable and reliable power supply.
4. Medical devices: The TPS7A8400RGRR can be used in medical devices that require a stable and reliable voltage output, such as portable medical instruments and wearable medical devices.

In summary, the TPS7A8400RGRR is a low-dropout linear voltage regulator that offers a stable and reliable voltage output for a wide range of applications. Its low quiescent current, adjustable output voltage, and overcurrent protection features make it an ideal choice for portable devices, IoT devices, industrial control systems, and medical devices.