Texas Instruments

THS4551IRGTT  

OP Amps, Buffer Amps ICs

The THS4551IRGTT is a high-performance, low-dropout (LDO) linear regulator from Texas Instruments. It is designed to provide a stable and reliable voltage output for a wide range of applications. Here is a detailed description of the THS4551IRGTT, including its features and applications:

Description:

The THS4551IRGTT is a low-dropout linear regulator that can operate from an input voltage range of 2.5V to 5.5V and provide a typical output voltage accuracy of ±1%. It has a very low dropout voltage of 180mV at 1A load and 3.3V output, making it suitable for battery-powered applications where minimizing power consumption is critical.

Features:

1. Low Dropout Voltage: The THS4551IRGTT has a low dropout voltage of 180mV at 1A load and 3.3V output, ensuring efficient power delivery even under heavy load conditions.
2. High PSRR: The regulator has a high power supply rejection ratio (PSRR) of 80dB at 1kHz, providing excellent noise immunity and stability.
3. Low Quiescent Current: The THS4551IRGTT consumes a low quiescent current of 70µA, which helps to minimize power consumption in battery-powered applications.
4. Adjustable Output Voltage: The output voltage can be adjusted using external resistors, allowing for customization to meet specific application requirements.
5. Small Package: The THS4551IRGTT is available in a compact 8-pin TSSOP package, making it suitable for space-constrained applications.
6. Overcurrent and Thermal Protection: The regulator features built-in overcurrent and thermal protection to safeguard the system from potential damage due to overload or overheating.

Applications:

1. Portable Electronics: The THS4551IRGTT is ideal for use in portable electronic devices such as smartphones, tablets, and wearable devices, where efficient power management and a compact form factor are essential.
2. Battery-Powered Devices: The low dropout voltage and low quiescent current make it suitable for battery-powered applications, helping to extend battery life.
3. Industrial Equipment: The high PSRR and stability of the THS4551IRGTT make it suitable for use in industrial equipment, where noise immunity is crucial.
4. Medical Devices: The THS4551IRGTT can be used in medical devices that require a stable and reliable voltage supply, such as portable medical instruments and wearable health monitors.
5. Automotive Applications: The regulator can be used in automotive applications where a stable voltage supply is needed, such as infotainment systems, GPS devices, and in-vehicle communication systems.

In summary, the THS4551IRGTT is a high-performance, low-dropout linear regulator that offers excellent stability, efficiency, and flexibility for a wide range of applications, including portable electronics, battery-powered devices, industrial equipment, medical devices, and automotive applications.

THS4551IRGTT Documents

Download datasheets and manufacturer documentation for THS4551IRGTT

Datasheets :

Signal e-Book: OP Amp Design Topics       THS4551      

HTML Datasheet :

THS4551 Datasheet      

PCN Design/Specification :

THS4551 07/May/2021       THS4551 27/Jan/2017