The UCC2802N is a high-frequency device, and proper layout and placement are crucial for its operation. TI recommends placing the device close to the power stage, using short and wide traces for the power lines, and separating the high-frequency and low-frequency circuits. A good layout practice is to use a star-ground configuration and to minimize the loop area of the power lines.
The choice of resistors for voltage sensing and current sensing depends on the specific application requirements. For voltage sensing, a high-precision resistor with low temperature coefficient is recommended. For current sensing, a low-value resistor with high power rating is recommended. TI provides guidelines for selecting these resistors in the application notes and design guides.
The UCC2802N can operate up to 1 MHz, but the maximum operating frequency depends on the specific application and the design of the power stage. TI recommends using a frequency range of 50 kHz to 500 kHz for most applications.
The UCC2802N has built-in voltage and current sensing circuits, but these circuits can have errors due to component tolerances and temperature variations. To compensate for these errors, TI recommends using external resistors and capacitors to adjust the sensing circuits, and also using software calibration techniques to trim the errors.
Yes, the UCC2802N can be used in a synchronous rectification topology. In fact, the device is optimized for synchronous rectification applications. TI provides application notes and design guides for using the UCC2802N in synchronous rectification topologies.
Trust Checks
This model has been provided by community users.
Community Provided
This model has been verified by system checks.
System Verified
This model has been reviewed by community users.
Community Approved
Sponsored
UCC2802N Overview
Use the download button to access the UCC2802N schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like UCC28,
or try a keyword search, such as Switching Regulator or Controllers
About Texas Instruments
Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.
