TPS74401KTWR – TEXAS INSTRUMENTS

The TPS74401KTWR is a Texas Instruments low-dropout (LDO) voltage regulator in a small, thermally enhanced 10-pin WSON package. It offers a fixed 1.8V output voltage with a maximum output current of 150mA, ideal for low-power applications requiring precise voltage regulation. Its input voltage range spans 2.5V to 5.5V, accommodating various power supply configurations. The device features a low quiescent current of typically 60µA, minimizing power consumption in battery-powered systems. The TPS74401 utilizes a proprietary architecture to achieve high efficiency even at light loads, exceeding 90% efficiency in many operating conditions. Its excellent line and load transient response ensures stable voltage output under dynamic load changes. Typical applications include powering microcontrollers, memory chips, and other sensitive integrated circuits in portable devices, data acquisition systems, and industrial control equipment where low noise and high efficiency are paramount. The WSON package facilitates surface-mount assembly, making it suitable for high-density PCB designs. Its inherent protection features, including short-circuit and thermal overload protection, enhance system reliability. The device’s low output noise makes it suitable for noise-sensitive applications.