The UCC3895N is a versatile and advanced phase-shift PWM controller designed and manufactured by Texas Instruments. This integrated circuit is engineered to provide high-efficiency and reliable power conversion in a wide range of applications, including telecommunications, industrial systems, and data center power supplies.
Key Features
- Advanced Control Method: The UCC3895N utilizes phase-shifted control, which allows zero-voltage switching (ZVS) that minimizes switching losses and enhances efficiency, particularly in high-power applications.
- Wide Operating Range: With an input voltage range that accommodates various power supply standards, the UCC3895N is designed for flexibility in multiple system configurations.
- Programmable Switching Frequency: The device supports a programmable switching frequency up to 1MHz, enabling designers to optimize their power supply design for performance or component size.
- Integrated Fault Protection: It includes features like over-current protection, under-voltage lockout, and thermal shutdown to ensure safe operation under abnormal conditions.
Applications
The UCC3895N is suitable for a variety of high-performance power conversion applications, such as:
- DC/DC converters
- Resonant power supplies
- Offline power supplies
Technical Specifications
| Parameter |
Value |
| Topology |
Phase Shifted |
| Number of Outputs |
1 |
| Output Configuration |
Positive |
| Duty Cycle (Max) |
50% |
| Frequency - Switching |
Up to 1MHz |
| Operating Temperature |
-40°C to +85°C |
Quality and Reliability
Texas Instruments is known for its commitment to quality and reliability, and the UCC3895N is no exception. It is designed to meet stringent industry standards, ensuring long-term performance in critical systems.