Texas Instruments

TPS54394RSAT  

DC Switching Voltage Regulators

TPS54394RSAT Description

The TPS54394RSAT is a high-performance, synchronous buck DC-DC converter designed by Texas Instruments. This device offers adjustable output voltage, making it highly versatile for a wide range of applications. With a maximum input voltage of 18V and a minimum input voltage of 4.5V, the TPS54394RSAT can efficiently regulate output voltages from 0.76V to 7V, delivering up to 3A of output current. The device features a switching frequency of 700kHz, ensuring high efficiency and reduced component size in the power supply design.

The TPS54394RSAT employs a synchronous rectifier, which enhances its efficiency by reducing power losses, especially at higher load currents. This feature is particularly beneficial in applications where power efficiency is critical. The device is housed in a 16-pin QFN package, which is suitable for surface mount technology, making it ideal for compact and high-density PCB designs.

TPS54394RSAT Features

• Adjustable Output Voltage: The TPS54394RSAT offers an adjustable output voltage range from 0.76V to 7V, providing flexibility to meet various power requirements.
• High Efficiency: The synchronous rectifier design ensures high efficiency, making it suitable for applications where power consumption is a concern.
• Wide Input Voltage Range: With an input voltage range from 4.5V to 18V, the TPS54394RSAT can operate across a broad spectrum of input conditions, enhancing its versatility.
• High Output Current: Capable of delivering up to 3A of output current, this device is well-suited for high-power applications.
• Compact Design: The 16-pin QFN package allows for surface mount technology, making it ideal for space-constrained designs.
• Compliance: The TPS54394RSAT is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and regulatory standards.
• Moisture Sensitivity Level: With an MSL of 2 (1 Year), the device is suitable for standard manufacturing processes without requiring special handling.

TPS54394RSAT Applications

The TPS54394RSAT is ideal for applications requiring high efficiency and adjustable output voltage. Some specific use cases include:

• Telecommunications: Powering base stations and other telecom equipment where high efficiency and reliability are crucial.
• Industrial Equipment: Providing stable power supply for industrial control systems, PLCs, and automation devices.
• Consumer Electronics: Used in high-end consumer devices such as gaming consoles, smart TVs, and high-performance computing systems.
• Medical Devices: Ensuring reliable power supply for medical imaging equipment and diagnostic devices.
• Automotive Electronics: Suitable for in-vehicle infotainment systems and advanced driver-assistance systems (ADAS).

Conclusion of TPS54394RSAT

The TPS54394RSAT from Texas Instruments is a robust and versatile DC-DC converter that stands out in the market due to its high efficiency, wide input voltage range, and adjustable output voltage capabilities. Its synchronous rectifier design and compact QFN package make it an excellent choice for applications where space and power efficiency are critical. The device's compliance with environmental and regulatory standards further enhances its appeal for modern electronics designs. Whether in telecommunications, industrial automation, or consumer electronics, the TPS54394RSAT delivers reliable performance and is a reliable choice for engineers and designers.

TPS54394RSAT Documents

Download datasheets and manufacturer documentation for TPS54394RSAT

Images :

Mechanical Outline Drawing       Function Diagram      

PCN :

Process Change Notification (PDF)      

SPICE Models :

TPS54394 Unencrypted PSpice Transient Model Package (Rev. B)