Texas Instruments

TPS54478RTER

The Texas Instruments TPS54478RTER is a high-efficiency, synchronous, step-down (buck) switching regulator that can operate from an input voltage range of 4.5V to 22V. It is designed to provide a regulated output voltage to power various electronic devices.

Description:

The TPS54478RTER is a compact, 10-pin, thermally-protected switching regulator that is available in a small, 2mm x 3mm, RoHS-compliant, PowerSON package. It features a high-frequency switching architecture that allows for high efficiency and low thermal dissipation.

Features:

1. Wide input voltage range: 4.5V to 22V
2. Output voltage adjustable from 0.9V to 5.5V
3. High efficiency up to 95%
4. Synchronous rectification for low quiescent current
5. Programmable soft-start and output discharge
6. Over-current protection, over-voltage protection, and thermal shutdown
7. Small package size: 2mm x 3mm PowerSON

Applications:

The TPS54478RTER is suitable for a wide range of applications that require efficient and reliable power regulation. Some of the potential applications include:

1. Portable electronics: Smartphones, tablets, and wearable devices
2. Industrial equipment: Sensors, controllers, and motor drivers
3. Medical devices: Patient monitors, diagnostic equipment, and portable medical instruments
4. Automotive electronics: Infotainment systems, power management, and lighting
5. Telecommunications: Base stations, routers, and network equipment
6. Consumer electronics: Audio equipment, gaming consoles, and home automation systems

In summary, the Texas Instruments TPS54478RTER is a versatile, high-efficiency step-down switching regulator that can be used in various applications requiring a wide input voltage range and adjustable output voltage. Its compact size, high efficiency, and integrated protection features make it an ideal choice for modern electronic devices.