Texas Instruments

UC3525ADWG4  

DC DC Switching Controllers

UC3525ADWG4 Description

The UC3525ADWG4 from Texas Instruments is a high-performance PWM controller IC designed for DC-DC switching converter applications. Housed in a 16-SOIC package, it operates within a wide supply voltage range of 8V to 35V, making it suitable for industrial and automotive power systems. This transistor driver features dual outputs with positive output configuration, supporting synchronous rectification for improved efficiency. With a switching frequency range of 100Hz to 400kHz, it offers flexibility in designing power supplies for diverse requirements. The device includes enable control, frequency adjustment, and soft-start functionality, ensuring smooth power-up sequences and system protection.

UC3525ADWG4 Features

• Dual-Output Transistor Driver: Enables precise control of power switches in push-pull or half-bridge topologies.
• Wide Operating Voltage (8V–35V): Compatible with various input sources, including battery-powered systems.
• Adjustable Switching Frequency (100Hz–400kHz): Optimizes efficiency for different load conditions.
• Synchronous Rectification Support: Reduces conduction losses in high-efficiency designs.
• Integrated Control Features: Includes enable/disable, soft-start, and clock synchronization for system reliability.
• 49% Maximum Duty Cycle: Ensures balanced operation in symmetrical converter topologies.
• RoHS3 & REACH Compliant: Meets environmental and regulatory standards.
• Surface-Mount (SOIC-16) Packaging: Ideal for compact PCB layouts.

UC3525ADWG4 Applications

This controller is ideal for:

• Switch-Mode Power Supplies (SMPS): High-efficiency AC/DC or DC/DC converters.
• Industrial Power Systems: Motor drives, UPS, and renewable energy inverters.
• Automotive Electronics: On-board power management and LED drivers.
• Telecom Infrastructure: Base stations and server power distribution.
• Medical Equipment: Isolated power supplies requiring precise PWM control.

Conclusion of UC3525ADWG4

The UC3525ADWG4 stands out for its robust design, flexible frequency control, and synchronous rectification support, making it a top choice for engineers developing high-efficiency power converters. Its wide voltage range, dual-output capability, and integrated protection features ensure reliability in demanding environments. Whether for industrial, automotive, or telecom applications, this IC delivers performance, efficiency, and compliance with global standards.

UC3525ADWG4 Documents

Download datasheets and manufacturer documentation for UC3525ADWG4

Datasheets :

UC1525B/27B, 2525B/27B, 3525B/27B      

HTML Datasheet :

UC1525B/27B, 2525B/27B, 3525B/27B