36Vdc-75Vdc Input, 6V @ 20A Output, Active Clamp Forward


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The PMP4123 reference design provides 6V at 120W from a standard 48V telecom input with greater than 94% efficiency. This design uses the UCC2897A active clamp controller along with an ISO721 digital isolator and TPS28225 to drive synchronous rectifiers. The circuit is built in an industry standard quarter-brick footprint.


Bill of Materials (BOM)

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TI Devices (3)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
ISO721  2.5 kVrms, 100 Mbps, 1-Channel Digital Isolator   Isolation  Sample & Buy Not Available
TPS28225  8-Pin High Frequency 4-Amp Sink Synchronous MOSFET Driver  Gate Drivers  Sample & Buy Not Available
UCC2897A  Advanced Current-Mode Active Clamp PWM Controller  Offline & isolated DC/DC controllers & converters  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
ISO721 Download Download
Download Download
Download -
TPS28225 Download Download
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UCC2897A Download Download
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Texas Instruments and Accelerated Designs, Inc. have collaborated together to provide TI customers with schematic symbols and PCB layout footprints for TI products.

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

Technical Documents
User guides (1)
Title Abstract Type Size (KB) Date Views
PDF 862 10 May 2012 4
Design files (4)
Title Abstract Type Size (KB) Date Views
ZIP 165 10 May 2012 4
PDF 139 10 May 2012 5
PDF 30 10 May 2012 5
PDF 101 10 May 2012 9

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