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Wide vin LLC resonant controller with high-voltage start up enabling low standby power


Models (1)

Title Category Type Date
UCC256301 SIMPLIS Model SIMPLIS Model ZIP 18 Aug 2017

Design kits & evaluation modules (1)

Name Part# Type
UCC256301 LLC evaluation module UCC25630-1EVM-291 Evaluation Modules & Boards

Reference designs

200kHz LLC Series Resonant Converter Reference Design With Low Standby Power Consumption

The PMP20795 reference design uses UCC256301 enhanced LLC controller with integrated driver to provide 24V/12A output from a nominal 380VDC input. UCC256301 provides hybrid hysteresis control (HHC) to enable a fast transient response. In this design, a 1st order system with over 6kHz bandwidth is (...)

View the Important Notice for reference designs covering authorized use, intellectual property matters and disclaimers.

Software (1)

UCC25630x Design Calculator (Rev. B)  (ZIP 358 KB )    27 Nov 2017  

CAD/CAE symbols

Part# Package | Pins CAD File (.bxl) STEP Model (.stp)
UCC256304 Download Download

Texas Instruments and Accelerated Designs, Inc. have collaborated together to provide TI customers with schematic symbols and PCB layout footprints for TI products.

Please follow the instructions below to view the CAD symbols:

Step 1: Download and install the Ultra Librarian software

Step 2: Download the Symbol and Footprint from the CAD.bxl file table.

Step 3: Open the .bxl file with the Ultra Librarian software.

You can always access the complete CAD/CAE Symbols database at //webench.ti.com/cad/

Both PCB footprints and schematic symbols are available for download in a vendor neutral format, which can then be exported to the leading EDA CAD/CAE design tools using the Ultra Librarian Reader. The reader is available as a free download.

The UL Reader is a subset of the Ultra Librarian toolset that can generate, import, and export components and their attributes in virtually any EDA CAD/CAE format.

WEBENCH® Power Designer is now even easier to use. Try it now.

WEBENCH® Designer UCC256304

Output Rectifier
  Min   Max Range
Vin  V
Vout  V
Iout  A
Ambient Temp  °C -40 to 150°C