Texas Instruments

UC2825N

UC2825N Description

The UC2825N from Texas Instruments is a high-performance transistor driver IC designed for DC-DC switching controllers. It features a positive output configuration and operates within a wide supply voltage range of 8.4V to 30V, making it suitable for robust power management applications. With a switching frequency range of 340kHz to 460kHz, this device offers precise control for power conversion systems. The UC2825N is housed in a 16-pin DIP (Through Hole) package and is RoHS3 compliant, ensuring environmental and regulatory adherence. Its single output phase and dual-output capability provide flexibility in designing efficient power supplies.

UC2825N Features

• Advanced Control Features: Includes current limit, enable, frequency control, ramp, and soft-start functionalities for enhanced system reliability.
• High Duty Cycle: Supports up to 80% duty cycle, optimizing power delivery in demanding applications.
• Wide Operating Voltage: 8.4V–30V range accommodates diverse industrial and automotive power systems.
• No Synchronous Rectification: Simplifies design while maintaining efficiency in non-synchronous topologies.
• Robust Packaging: Tube packaging ensures mechanical protection during handling and assembly.
• Regulatory Compliance: REACH unaffected and EAR99 classified, facilitating global deployment.

UC2825N Applications

The UC2825N excels in:

• Industrial Power Supplies: Ideal for AC/DC converters, motor drives, and UPS systems due to its high voltage tolerance and control features.
• Automotive Electronics: Suitable for on-board power modules requiring stable performance under varying input voltages.
• Telecom Infrastructure: Used in base stations and RF amplifiers where precise frequency control is critical.
• Renewable Energy Systems: Efficiently manages solar inverters and battery chargers with its soft-start and current-limiting capabilities.

Conclusion of UC2825N

The UC2825N stands out as a versatile and reliable DC-DC switching controller for high-power applications. Its wide input range, advanced control features, and robust design make it superior to comparable models, particularly in industrial and automotive environments. Engineers benefit from its ease of integration, regulatory compliance, and high-duty-cycle operation, ensuring optimal performance in complex power systems. For applications demanding precision, durability, and efficiency, the UC2825N is a top-tier choice.