Texas Instruments

TPS74201KTWT  

Linear & Switching Voltage Regulators

TPS74201KTWT Description

The TPS74201KTWT is a high-performance linear regulator from Texas Instruments, designed to deliver a maximum output current of 1.5A with an adjustable output voltage ranging from 0.8V to 3.6V. This single regulator features a low dropout voltage of 0.12V at 1.5A, ensuring efficient power delivery even under low input voltage conditions. The device is housed in a surface-mount DDPAK package, making it suitable for compact and high-density PCB designs. Despite its small form factor, the TPS74201KTWT offers robust protection features, including over-current, over-temperature, short circuit, and under-voltage lockout (UVLO) protections. It also features enable, power good, and soft start control functionalities, enhancing its versatility and reliability in various power management applications.

TPS74201KTWT Features

• Adjustable Output Voltage: The TPS74201KTWT provides an adjustable output voltage range from 0.8V to 3.6V, making it highly adaptable to different load requirements.
• High Efficiency: With a maximum dropout voltage of 0.12V at 1.5A, the regulator ensures high efficiency, especially in applications where the input voltage is close to the output voltage.
• Low Quiescent Current: The device has a low quiescent current of 115 µA, which is crucial for battery-powered applications where minimizing power consumption is essential.
• High PSRR: The regulator boasts a high power supply rejection ratio (PSRR) of 73dB to 42dB across a frequency range of 1kHz to 300kHz, ensuring clean and stable output voltage even in noisy environments.
• Protection Features: Comprehensive protection features such as over-current, over-temperature, short circuit, and under-voltage lockout (UVLO) ensure reliable operation and protect the device from potential damage.
• Control Features: The TPS74201KTWT includes enable, power good, and soft start control features, providing enhanced control and monitoring capabilities.
• Compliance: The device is REACH unaffected and RoHS3 compliant, making it suitable for environmentally conscious applications.
• Moisture Sensitivity Level: With an MSL rating of 3 (168 hours), the TPS74201KTWT is suitable for use in environments with moderate humidity levels.

TPS74201KTWT Applications

The TPS74201KTWT is ideal for a wide range of applications where efficient power management, high reliability, and compact design are critical. Some specific use cases include:

• Consumer Electronics: Ideal for portable devices such as smartphones, tablets, and digital cameras, where high efficiency and low power consumption are essential.
• Industrial Equipment: Suitable for industrial control systems, where the regulator's robust protection features and high PSRR ensure stable and reliable operation.
• Telecommunications: Applicable in base stations and other telecom equipment, where the regulator's high efficiency and low dropout voltage contribute to optimal power management.
• Automotive Electronics: The device's high reliability and protection features make it suitable for automotive applications, such as infotainment systems and electronic control units.

Conclusion of TPS74201KTWT

The TPS74201KTWT from Texas Instruments is a versatile and high-performance linear regulator that offers a combination of adjustable output voltage, low dropout voltage, and comprehensive protection features. Its low quiescent current and high PSRR make it suitable for applications requiring efficient power management and stable output voltage. Despite being marked as obsolete, the TPS74201KTWT remains a reliable choice for designers seeking a compact, efficient, and feature-rich power management solution.

TPS74201KTWT Documents

Download datasheets and manufacturer documentation for TPS74201KTWT

Datasheets :

TPS74201 Datasheet      

Design Resources :

TPS74201 Design with WEBENCH® Power Designer      

PCN Obsolescence/ EOL :

Mult Devices EOL 14/Aug/2018      

HTML Datasheet :

TPS74201 Datasheet