AC/DC Buck Converter Reference Design with Universal AC Input and 5V/200mA Output
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Key Document


The PMP20834 reference design uses Buck converter to convert universal AC input voltage (85Vac to 265Vac) to a 5V/200mA DC output with UCC28880 FET integrated controller. This design is built on a single layer PCB and all the circuit component are within 1.05" x 2.1" board area.

  • 85VAC-265VAC to 5V/200mA
  • Single-layer PCB
  • All the circuit components are within 1.05" x 2.1" board area
  • AC/DC buck converter with FET integrated controller

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Schematic/Block Diagram

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Design Files

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(Output Voltage 1)
Vin (Min) (V)85
Vin (Max) (V)265
Vout (Nom) (V)5
Iout (Max) (A).2
Output Power (W)1
Input TypeAC
TopologyBuck- Non Sync

TI Devices (1)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
UCC28880  High Voltage Switcher for Non-isolated AC/DC Conversion  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)
UCC28880 Download Download

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Technical Documents

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User guides (1)
Title Type Size (KB) Date
PDF 952 11 Dec 2017
Design files (6)
Title Type Size (KB) Date
ZIP 178 11 Dec 2017
ZIP 395 11 Dec 2017
PDF 188 11 Dec 2017
PDF 49 11 Dec 2017
PDF 85 11 Dec 2017
PDF 78 11 Dec 2017

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