Texas Instruments

TPS54339EDDAR

The TPS54339EDDAR is a high-efficiency synchronous step-down (buck) regulator from Texas Instruments. It is designed to provide a stable output voltage from a wide range of input voltages, making it suitable for a variety of applications.

Description:

The TPS54339EDDAR is a compact, high-efficiency synchronous step-down regulator that can operate from input voltages as low as 2.5V and as high as 22V. It features a wide output voltage range of 0.9V to 5.5V, and can deliver up to 3A of continuous output current. The device is available in a small, thermally-optimized DDAR package.

Features:

• High efficiency: up to 95% efficiency
• Wide input voltage range: 2.5V to 22V
• Wide output voltage range: 0.9V to 5.5V
• High output current: up to 3A
• Synchronous rectification for improved efficiency
• Integrated power MOSFETs for higher efficiency and lower cost
• Low quiescent current: 35µA in run mode
• Programmable soft-start to minimize inrush current
• Protection features: over-current protection, over-temperature protection, and thermal shutdown

Applications:

The TPS54339EDDAR is suitable for a wide range of applications that require efficient and stable voltage regulation, including:

• Portable devices: smartphones, tablets, and wearables
• Power banks and battery chargers
• Industrial and automotive systems
• Telecommunications equipment
• LED lighting systems

In summary, the TPS54339EDDAR is a high-efficiency synchronous step-down regulator that offers a wide input voltage range, high output current capability, and a range of protection features. Its compact size and thermally-optimized package make it well-suited for a variety of applications, including portable devices, power banks, industrial systems, and LED lighting.