The UCC2893DR is a specific model of the UCC2893 series high-performance current mode PWM (Pulse Width Modulation) controller IC, manufactured by Texas Instruments.
Here's a breakdown of the part number:
- UCC2893: Base part number, indicating it is part of the UCC2893 series.
- DR: Package code. The "DR" typically indicates an SOIC-8 package.
Key features and characteristics of the UCC2893DR PWM controller may include:
1. Current Mode PWM Controller: The UCC2893DR is a current mode controller, commonly used in switch-mode power supply (SMPS) applications.
2. High-Performance: The IC is designed for high-performance power supply applications, offering precise regulation and control.
3. Wide Operating Voltage Range: The controller can operate over a wide input voltage range, making it suitable for various power supply designs.
4. Integrated Features: The UCC2893DR may include integrated features such as programmable frequency, soft start, and cycle-by-cycle current limit.
5. External Compensation: The IC typically requires external compensation components for loop stability adjustments.
The UCC2893DR PWM controller is commonly used in various power supply designs, including flyback, forward, and push-pull converters. It enables efficient and reliable power conversion in applications such as AC-DC power supplies, LED drivers, and isolated power supplies.
