85-318Vin, 15Vout, 1Aout, AC-DC Buck Converter Reference Design
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Key Document


The PMP10833RevA reference design is a compact and thermally efficient design intended to step down a wide range of AC inputs.  This design incorporates the UCC28C42, a current-mode PWM controller, with controllable frequencies up to 1Mhz.

  • With an input of 230VAC, at a full load of 1A, efficiency is greater than 82%
  • Compact board size with a length of approximately 67mm
  • Good thermal performance
  • AC input range of 85VAC - 318VAC providing an output of 15V and 1A.
  • Test report available

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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)318
Vout (Nom) (V)15
Iout (Max) (A)1
Output Power (W)15
Input TypeAC
TopologyBuck- Non Sync

TI Devices (1)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
UCC28C42  BiCMOS Low Current 8 Pin PWM Current Mode Controller  Offline & isolated DC/DC controllers & converters  Sample & Buy Not Available

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
UCC28C42 Download Download
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Technical Documents

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User guides (1)
Title Type Size (KB) Date
PDF 1208 17 Jul 2015
Design files (3)
Title Type Size (KB) Date
PDF 59 17 Jul 2015
PDF 114 17 Jul 2015
PDF 125 17 Jul 2015

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