Texas Instruments

TPS74901RGWR  

Linear & Switching Voltage Regulators

TPS74901RGWR 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 TPS74901RGWR, including its features and applications:

Description:

The TPS74901RGWR is a low-dropout linear voltage regulator with an input voltage range of 2.5V to 5.5V and an output voltage range of 1.23V to 3.36V. It is available in a small, thermally enhanced, 10-pin 1.6mm x 1.6mm WQFN package (RGWR).

Features:

1. Ultra-low dropout voltage: The TPS74901RGWR has an ultra-low dropout voltage of 170mV at 1A load, ensuring high efficiency and stable output voltage even under heavy load conditions.
2. High PSRR (Power Supply Reject Ratio): The LDO offers a high PSRR of 80dB at 1kHz, providing excellent noise immunity and minimizing output voltage fluctuations due to input voltage variations.
3. Adjustable output voltage: The output voltage can be easily adjusted using external resistors, allowing for customization to meet specific application requirements.
4. Low quiescent current: The TPS74901RGWR consumes a low quiescent current of 5.5µA (typical), making it suitable for battery-powered applications.
5. Thermal shutdown protection: The LDO features an internal thermal shutdown protection mechanism to prevent damage due to overheating.
6. Small package size: The 1.6mm x 1.6mm WQFN package is compact, making it suitable for space-constrained applications.

Applications:

1. Portable devices: The TPS74901RGWR is ideal for use in portable devices such as smartphones, tablets, and wearables, where space is limited, and efficiency is crucial.
2. IoT devices: The low quiescent current and adjustable output voltage make it suitable for powering IoT devices, which often require stable and efficient power regulation.
3. Medical devices: The high PSRR and low dropout voltage characteristics make the TPS74901RGWR suitable for use in medical devices that require stable and clean power supplies.
4. Industrial applications: The thermal shutdown protection and low dropout voltage features make it suitable for industrial applications where reliability and stability are essential.
5. Automotive applications: The TPS74901RGWR can be used in automotive applications, such as infotainment systems and sensor interfaces, where a stable and efficient power supply is required.

In summary, the TPS74901RGWR is a versatile and efficient low-dropout linear voltage regulator from Texas Instruments, designed for a wide range of applications, including portable devices, IoT devices, medical devices, industrial applications, and automotive applications. Its features, such as ultra-low dropout voltage, high PSRR, adjustable output voltage, low quiescent current, and thermal shutdown protection, make it a reliable choice for various power regulation needs.

TPS74901RGWR Documents

Download datasheets and manufacturer documentation for TPS74901RGWR

PCN Assembly/Origin :

Mult Dev 27/Dec/2019      

Datasheets :

TPS749xx Datasheet      

Design Resources :

TPS74901 Design with WEBENCH® Power Designer      

HTML Datasheet :

TPS749xx Datasheet      

PCN Design/Specification :

Mult Dev Material Chg 29/Mar/2018