UCC28704DBVR-1

The UCC28704DBVR-1 is a highly integrated active-clamp flyback (ACF) controller that provides primary-side regulation for high-density, low-heat, and low-cost AC/DC power supplies. It offers various protections and features for efficient power management and is designed for use in compact power supply applications.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

• VDD: Supply Voltage
• VIN: Power Input
• CS: Current Sense Input
• COMP: Compensation Node
• FB: Feedback Input
• DRV: Gate Drive Output
• ADAPT: Adaptive Pin for Frequency Foldback
• SS/EN: Soft Start/Enable
• GND: Power Ground

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the UCC28704DBVR-1 for a visual representation.

Key Features

• Active-Clamp Flyback Controller: Provides primary-side regulation for efficient AC/DC power supplies.
• Integrated Protections: Offers various protections such as overcurrent protection, overvoltage protection, and thermal shutdown for reliable power management.
• High Efficiency: Helps achieve high-density and low-heat power supply designs.
• Compact Design: Designed for compact power supply applications, enabling space-saving solutions.
• Soft Start and Frequency Foldback: Includes soft start and adaptive frequency foldback features for enhanced performance.

Note: For detailed technical specifications, please refer to the UCC28704DBVR-1 datasheet.

Application

• AC/DC Power Supplies: Ideal for use in high-density and low-heat AC/DC power supply designs.
• Power Management Systems: Suitable for compact power supply applications in power management systems.
• Industrial Power Supplies: Used in industrial power supply units requiring efficient and reliable regulation.

Functionality

The UCC28704DBVR-1 is an active-clamp flyback controller designed for primary-side regulation in AC/DC power supplies. It offers integrated protections and features for efficient and reliable power management in compact designs.

Usage Guide

• Supply Voltage: Connect VDD (Pin 1) to the supply voltage within the specified operating range.
• Power Input: Connect VIN (Pin 2) to the power input source.
• Feedback Loop: Utilize the FB (Pin 5) pin for feedback input to regulate the output voltage.

Frequently Asked Questions

Q: What are the integrated protections of the UCC28704DBVR-1?
A: The UCC28704DBVR-1 includes overcurrent protection, overvoltage protection, and thermal shutdown for enhanced reliability.

Q: Is the UCC28704DBVR-1 suitable for high-power industrial applications?
A: Yes, the UCC28704DBVR-1 is designed for high-density and low-heat power supply designs, making it suitable for various industrial power supply applications.