Texas Instruments

TPS5405DR

The Texas Instruments TPS5405DR is a highly-integrated, step-down (buck) switching regulator that offers a wide input voltage range and high efficiency. It is designed to provide a stable and regulated output voltage from a variety of input voltage sources, making it suitable for a wide range of applications.

Description:

The TPS5405DR is a compact, 10-pin, 3mm x 3mm WQFN package that includes a power MOSFET, an inductor, and a capacitor to provide efficient power conversion. It has a wide input voltage range of 4.75V to 23V, and can deliver an output current of up to 3A. The device also features a low quiescent current of 35µA in burst mode, which helps to minimize power consumption during light load conditions.

Features:

• Wide input voltage range: 4.75V to 23V
• High efficiency: up to 94% depending on the input voltage and output current
• Output current up to 3A
• Low quiescent current: 35µA in burst mode
• Integrated power MOSFET, inductor, and capacitor
• Small form factor: 3mm x 3mm WQFN package
• Protection features: over-current protection, over-temperature protection, and short-circuit protection

Applications:

The TPS5405DR is suitable for a wide range of applications that require efficient power conversion and regulation. Some potential applications include:

1. Portable electronics: smartphones, tablets, and laptops
2. Industrial equipment: motor drives, sensors, and control systems
3. Medical devices: hearing aids, wearable devices, and portable medical instruments
4. Automotive systems: infotainment systems, lighting, and power management
5. Power supplies: battery chargers, power banks, and adapters

In summary, the Texas Instruments TPS5405DR is a versatile and efficient step-down switching regulator that is well-suited for a variety of applications requiring stable and regulated power conversion. Its compact size, wide input voltage range, and high efficiency make it an attractive choice for designers looking to optimize power management in their systems.