Texas Instruments

TPS74518PQWDRBRQ1  

Linear & Switching Voltage Regulators

TPS74518PQWDRBRQ1 is a low-dropout (LDO) 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 brief description of the model, its features, and potential applications:

Description:

The TPS74518PQWDRBRQ1 is a high-performance, low-dropout linear voltage regulator with a fixed output voltage of 3.3V. It is available in a compact QFN package, making it suitable for space-constrained applications.

Features:

1. Low Dropout Voltage: The TPS74518PQWDRBRQ1 has a low dropout voltage of 300mV, ensuring stable output voltage even when the input voltage is close to the output voltage.
2. High PSRR: The regulator features a high power supply rejection ratio (PSRR) of 70dB at 1kHz, providing excellent noise immunity.
3. Low Quiescent Current: The device has a low quiescent current of 6µA, making it energy-efficient and suitable for battery-powered applications.
4. Wide Input Voltage Range: It supports a wide input voltage range of 2.5V to 5.5V, making it compatible with various power sources.
5. Small Package: The TPS74518PQWDRBRQ1 is available in a compact QFN package, which is ideal for space-constrained applications.
6. Enable Function: The LDO features an enable function, allowing for easy control of the output voltage.
7. Overcurrent and Thermal Protection: The device includes overcurrent and thermal protection features to ensure safe operation.

Applications:

1. Portable Electronics: The TPS74518PQWDRBRQ1 is suitable for powering sensitive components in portable devices, such as smartphones, tablets, and wearables.
2. IoT Devices: The low quiescent current and low dropout voltage make it an ideal choice for IoT devices that require stable power supply and low power consumption.
3. Industrial Equipment: The high PSRR and wide input voltage range make the TPS74518PQWDRBRQ1 suitable for industrial applications where noise immunity is crucial.
4. Medical Devices: The compact size and low quiescent current make it suitable for battery-powered medical devices that require a stable and reliable power supply.
5. Automotive Applications: The device can be used in automotive applications where a stable and low-noise power supply is required for sensitive components.

In summary, the TPS74518PQWDRBRQ1 is a versatile and efficient low-dropout voltage regulator that offers a stable output voltage, low quiescent current, and excellent noise immunity. It is suitable for a wide range of applications, including portable electronics, IoT devices, industrial equipment, medical devices, and automotive applications.

TPS74518PQWDRBRQ1 Documents

Download datasheets and manufacturer documentation for TPS74518PQWDRBRQ1

Datasheets :

TPS745-Q1      

HTML Datasheet :

TPS745-Q1      

PCN Design/Specification :

TPS745x/TPS746x 24/May/2022       TPS745-Q1 17/Dec/2021