Texas Instruments

TPS74401RGWR  

Linear & Switching Voltage Regulators

The Texas Instruments TPS74401RGWR is a low-power, low-dropout (LDO) linear voltage regulator that is designed to provide stable and accurate voltage regulation in a wide range of applications.

Description:

The TPS74401RGWR is a high-performance LDO regulator that offers excellent load and line regulation, low quiescent current, and low dropout voltage. It is available in a small, thermally enhanced 10-pin WSON package, making it suitable for use in space-constrained applications.

Features:

1. Ultra-low dropout voltage: The TPS74401RGWR has a low dropout voltage of typically 180mV at 1A load current, ensuring stable regulation even under low input voltage conditions.
2. High PSRR: The LDO offers a high power supply rejection ratio (PSRR) of -80dB at 1kHz, providing excellent noise immunity and minimizing output voltage fluctuations due to input voltage variations.
3. Low quiescent current: The device has a low quiescent current of 5.5µA (typical), making it suitable for battery-powered applications where power consumption is critical.
4. Wide input voltage range: The TPS74401RGWR can operate with an input voltage range of 2.5V to 5.5V, making it suitable for a wide range of applications.
5. Adjustable output voltage: The output voltage can be adjusted using an external resistor divider, allowing for customization to meet specific application requirements.
6. Thermal and overcurrent protection: The LDO features thermal shutdown and overcurrent protection to protect the device and the system in case of abnormal operating conditions.

Applications:

The TPS74401RGWR is suitable for a variety of applications where low-noise, low-dropout voltage regulation is required. Some of the key applications include:

1. Portable devices: The low quiescent current and low dropout voltage make it ideal for use in battery-powered devices such as smartphones, tablets, and wearable electronics.
2. IoT devices: The device's low power consumption and small form factor make it suitable for Internet of Things (IoT) devices, where energy efficiency and compact size are crucial.
3. Medical devices: The TPS74401RGWR can be used in medical devices that require stable and accurate voltage regulation, such as portable medical instruments and wearable health monitors.
4. Industrial equipment: The LDO's high PSRR and low dropout voltage make it suitable for use in industrial equipment where noise immunity and stable voltage regulation are important.
5. Automotive applications: The device can be used in automotive applications where low power consumption and stable voltage regulation are required, such as infotainment systems and sensor interfaces.

In summary, the Texas Instruments TPS74401RGWR is a low-power, low-dropout linear voltage regulator that offers excellent performance in terms of load and line regulation, quiescent current, and dropout voltage. Its small form factor, wide input voltage range, and adjustable output voltage make it suitable for a wide range of applications, including portable devices, IoT devices, medical devices, industrial equipment, and automotive applications.

TPS74401RGWR Documents

Download datasheets and manufacturer documentation for TPS74401RGWR

PCN Assembly/Origin :

Assembly/Test Site Addition 16/Dec/2014      

Datasheets :

TPS74401      

Design Resources :

TPS74401 Design with WEBENCH® Power Designer      

PCN Design/Specification :

TPS74401 26/Jul/2017       Material Set 30/Aug/2016