Texas Instruments

UC3525BDW  

DC DC Switching Controllers

UC3525BDW Description

The UC3525BDW from Texas Instruments is a high-performance PWM controller IC designed for DC-DC switching power supply applications. Housed in a 16-SOIC package, it integrates a transistor driver with positive output configuration, supporting a wide input voltage range of 8V to 35V. This device operates at a switching frequency of 100Hz to 400kHz, making it suitable for high-efficiency power conversion systems. With dual outputs, synchronous rectification, and clock synchronization, it offers precise control for demanding power management tasks.

UC3525BDW Features

• Flexible Frequency Control: Adjustable 100Hz–400kHz range for optimized performance.
• Advanced Control Features: Includes dead time control, soft start, and ramp modulation for improved reliability.
• Synchronous Rectification Support: Enhances efficiency in high-current applications.
• Wide Operating Temperature: 0°C to 70°C ensures stable performance in industrial environments.
• Clock Sync Capability: Enables synchronization with external systems for noise reduction.
• Compact & Robust: 16-SOIC surface-mount package with RoHS3 compliance and MSL2 (1 Year) moisture sensitivity.

UC3525BDW Applications

• Switch-Mode Power Supplies (SMPS): Ideal for AC/DC and DC/DC converters in telecom and computing.
• Industrial Power Systems: Used in motor drives, UPS systems, and battery chargers.
• Renewable Energy: Suitable for solar inverters and wind power converters.
• Automotive Electronics: Supports high-voltage DC-DC conversion in EVs and hybrid systems.

Conclusion of UC3525BDW

The UC3525BDW stands out for its versatile control features, wide voltage range, and high-frequency operation, making it a top choice for precision power management. Its synchronous rectification and clock sync capabilities provide efficiency advantages over comparable models. While designated as Last Time Buy, it remains a reliable solution for engineers designing high-performance power systems in industrial, automotive, and renewable energy applications.

UC3525BDW Documents

Download datasheets and manufacturer documentation for UC3525BDW

EOL :

Product Discontinuance Notification (PDF)      

Images :

Mechanical Outline Drawing      

Models :

UC3525BDW Symbol & Footprint by SnapMagic      

Product Catalogs :

Power Management Guide 2018 (Rev. R)      

Application Notes :

DN-36 UC1525B/UC1527B Devices - Comparison Summary to UC1525A/27A Devices