Texas Instruments

CSD25485F5

CSD25485F5 is a high-performance, monolithic, synchronous, step-down switching regulator with an integrated high voltage MOSFET. It is designed to regulate output voltage from input voltages as high as 28V to as low as 1.8V with high efficiency. The device is suitable for a wide range of applications, including automotive, industrial, and consumer electronics.

Description:

The CSD25485F5 is a highly integrated, high-efficiency step-down converter that uses a constant on-time control scheme to regulate the output voltage. It features an integrated high voltage MOSFET, which allows for a compact solution with minimal external components. The device also includes a power-saving mode and a low quiescent current, which helps to reduce overall power consumption.

Features:

1. Wide input voltage range: 4.5V to 28V
2. Wide output voltage range: 0.9V to 1.8V
3. High efficiency: up to 95% depending on the input and output voltages
4. Integrated high voltage MOSFET
5. Constant on-time control scheme
6. Power-saving mode and low quiescent current
7. Programmable soft-start
8. Over-current protection
9. Thermal shutdown protection
10. Small form factor: available in a 10mm x 10mm, 3.3mm thick QFN package

Applications:

1. Automotive applications: infotainment systems, instrument clusters, and lighting control
2. Industrial applications: motor control, sensor power supplies, and industrial control systems
3. Consumer electronics: portable devices, smartphones, and tablets
4. Telecommunications: base stations, routers, and switches
5. Computing: servers, storage systems, and data centers
6. Medical equipment: portable medical devices, patient monitoring systems, and diagnostic equipment

The CSD25485F5 is a versatile and efficient step-down converter that is suitable for a wide range of applications. Its high efficiency, wide input voltage range, and integrated high voltage MOSFET make it an ideal choice for designers looking for a compact and efficient power solution.