TPS77018DBVR 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. Here is a description of the TPS77018DBVR, including its features and applications:
Description:
The TPS77018DBVR is a low-dropout linear voltage regulator with an output voltage range of 1.23V to 5.0V. It is available in a small SOT23 package, making it suitable for space-constrained applications. The regulator has a quiescent current of typically 1.1μA, which makes it ideal for battery-powered devices.
Features:
- Low Dropout Voltage: The TPS77018DBVR has a low dropout voltage of 300mV at a 1A load, ensuring efficient operation even under heavy load conditions.
- Wide Input Voltage Range: The regulator can accept input voltages from 2.5V to 5.5V, making it suitable for a variety of power supply sources.
- Adjustable Output Voltage: The output voltage can be easily adjusted using external resistors, providing flexibility for different applications.
- Low Quiescent Current: The low quiescent current of 1.1μA makes the TPS77018DBVR ideal for battery-powered applications, helping to extend battery life.
- High PSRR: The regulator has a high power supply rejection ratio (PSRR) of 80dB at 1kHz, ensuring stable output voltage even with noisy input voltage sources.
- Thermal Shutdown Protection: The TPS77018DBVR features thermal shutdown protection to prevent damage due to overheating.
- Small Package: The SOT23 package is compact, making it suitable for space-constrained applications.
Applications:
- Portable Electronics: The TPS77018DBVR is ideal for use in portable devices such as smartphones, tablets, and wearables, where space and efficiency are critical.
- Battery-Powered Devices: The low quiescent current and wide input voltage range make it suitable for battery-powered applications, such as wireless sensors and IoT devices.
- Industrial Equipment: The high PSRR and thermal shutdown protection make the TPS77018DBVR suitable for use in industrial equipment where stable voltage regulation is essential.
- Medical Devices: The regulator's low dropout voltage and adjustable output voltage make it suitable for powering sensitive medical devices.
- Automotive Applications: The TPS77018DBVR can be used in automotive applications where a stable and reliable voltage supply is required.
In summary, the TPS77018DBVR is a versatile low-dropout linear voltage regulator with a wide input voltage range, low quiescent current, and adjustable output voltage. Its features make it suitable for a variety of applications, including portable electronics, battery-powered devices, industrial equipment, medical devices, and automotive applications.