Manufacturer Part Number
UCC3813N-4
Manufacturer
Texas Instruments
Introduction
The UCC3813N-4 is an Integrated Circuit (IC) that functions as a Pulse-Width Modulation (PWM) controller for offline AC-DC power supplies.
Product Features and Performance
Operates at a fixed switching frequency of 1MHz
Supports Boost, Buck, Flyback, and Forward converter topologies
Operates with a supply voltage range of 8.3V to 12V
Provides non-isolated output
Offers a duty cycle of up to 49%
Includes an internal power switch
Product Advantages
High-frequency operation enables smaller magnetics
Wide input voltage range for versatile applications
Efficient power conversion with non-isolated output
Compact 8-pin DIP package for easy integration
Key Technical Parameters
Switching Frequency: 1MHz
Supply Voltage Range: 8.3V to 12V
Duty Cycle: Up to 49%
Topology: Boost, Buck, Flyback, Forward
Output Isolation: Non-Isolated
Quality and Safety Features
Compliant with RoHS3 directive
Operates within a wide temperature range of -55°C to 150°C
Compatibility
The UCC3813N-4 is compatible with a variety of power supply applications.
Application Areas
Offline AC-DC power supplies
Switched-mode power supplies
Industrial and consumer electronics
Product Lifecycle
The UCC3813N-4 is an active product, and there are no plans for discontinuation. Replacement or upgrade options may be available from Texas Instruments.
Several Key Reasons to Choose This Product
High-frequency operation for compact power supply design
Wide input voltage range for versatile applications
Efficient non-isolated power conversion
Robust temperature performance for industrial environments
Ease of integration with 8-pin DIP package