Manufacturer Part Number
UCC2897PWR
Manufacturer
Texas Instruments
Introduction
The UCC2897PWR is a versatile power management integrated circuit designed for DC-DC switching controllers.
Product Features and Performance
Advanced power management IC
Step-Up/Step-Down function for voltage regulation
Positive, isolation-capable output configuration
Supports Flyback and Forward Converter topologies
Single output channel
One output phase for simplified design
Compatible with 8.5V to 14.5V supply voltages
250kHz switching frequency for efficient power conversion
High maximum duty cycle at 74%
Incorporates synchronous rectifier for improved efficiency
Features clock synchronization for noise-sensitive applications
Includes control features such as enable, on-time control, and soft start
Operational within a wide temperature range from -40°C to 105°C
Product Advantages
High integration reduces component count and simplifies design
Isolation capability enhances system safety
Synchronous rectification for increased efficiency
Clock synchronization helps in avoiding signal interference in noise-sensitive applications
Soft start function prevents current spikes during startup
Key Technical Parameters
Voltage - Supply (Vcc/Vdd): 8.5V ~ 14.5V
Frequency - Switching: 250kHz
Duty Cycle (Max): 74%
Operating Temperature: -40°C ~ 105°C
Quality and Safety Features
Built-in thermal protection enhances reliability
Isolation capability for safer operation in high-voltage applications
Compatibility
Surface mount compatibility with 20-TSSOP package for easy integration in PCB design
Application Areas
Power supplies for telecommunications
Industrial power systems
Automotive electronics
Server and computer power management
Product Lifecycle
Last Time Buy status indicates nearing discontinuation
Customers should inquire about replacement products or plan for last-time stock purchases
Several Key Reasons to Choose This Product
High reliability from a reputable manufacturer, Texas Instruments
Versatile performance with both Step-Up and Step-Down functions
Synchronous rectification and clock synchronization options boost efficiency and reduce noise
Wide operating temperature suitable for industrial applications
User-friendly control features simplify implementation
End-of-life status with a clear path for transition to newer technologies or products