Manufacturer Part Number
UCC3813D-2
Manufacturer
Texas Instruments
Introduction
The UCC3813D-2 is a power management integrated circuit designed for AC DC conversion and offline switching applications.
Product Features and Performance
Integrated internal switches
Operates with boost, buck, flyback, and forward topologies
High start-up voltage of 12.5V
Wide supply voltage range from 8.3V to 12V
Maximum duty cycle of 99%
High-frequency switching capability up to 1MHz
Frequency control for precise operation
Capable of operating in a wide temperature range from -55°C to 150°C
Product Advantages
Multi-topology support enhances design versatility
High duty cycle allows for efficient power conversion
Advanced frequency control leads to optimized system performance
High-temperature operation suitable for challenging environments
Key Technical Parameters
Non-Isolated output
Duty Cycle: 99%
Frequency Switching: 1MHz
Voltage Start Up: 12.5 V
Voltage Supply (Vcc/Vdd): 8.3V ~ 12V
Operating Temperature: -55°C ~ 150°C
Quality and Safety Features
Robust operation in extended temperature ranges
Manufactured by Texas Instruments, a leader in semiconductor reliability
Compatibility
Suitable for 8-SOIC mounting with a standard footprint for easy integration
Offers surface mount compatibility for streamlined PCB design
Application Areas
Power supplies
DC-DC converters
Battery chargers
Industrial control systems
Telecommunication equipment
Product Lifecycle
Status: Active
Not indicated as nearing discontinuation
Availability of replacements or upgrades should be verified with Texas Instruments
Several Key Reasons to Choose This Product
Supports various power conversion topologies for flexibility in design
Enables high-efficiency operation with 99% duty cycle and high-frequency switching
Reliable high-temperature performance extends usability in harsh conditions
Texas Instruments' reputation for quality and safety adds confidence in product choice
The component is actively maintained with no current end-of-life announcement, ensuring ongoing supply and support
Surface mount design compatible with modern production processes