Manufacturer Part Number
UCC2891DRG4
Manufacturer
Texas Instruments
Introduction
UCC2891DRG4 is a PMIC DC DC switching controller designed for power supply control.
Product Features and Performance
Step-Up/Step-Down functionality
Transistor Driver output
Positive, isolation capable output configuration
Suitable for Flyback and Forward Converter topologies
Single output with one output phase
Supports clock synchronization
Product Advantages
Integrated features for Current Limit and Soft Start
On Time Control for precise power delivery
Ramp control for smooth operation
Capable of operating over a wide temperature range
Key Technical Parameters
Voltage supply range: 8.5V to 16V
Switching frequency: 250kHz
Max duty cycle: 70%
Operating temperature range: -40°C to 85°C
Quality and Safety Features
Designed for robust power management
Provides consistent performance within specified temperature range
Compatibility
Surface Mount 16-SOIC packaging
Compatible with various circuit designs requiring controlled power delivery
Application Areas
Power supplies for industrial equipment
Electronic devices requiring regulated power input
Product Lifecycle
Discontinued at Digi-Key
Potential need to seek alternatives or verify with manufacturer for replacements
Several Key Reasons to Choose This Product
Efficient power regulation for both step-up and step-down applications
Designed by a reputable manufacturer, Texas Instruments
Enhanced control features for improved system performance
Suitable for challenging thermal environments
Ease of implementation due to standard packaging and mounting type