15V 130mA Bias Supply for Universal 85-265VAC Input using High-side Buck Topology Reference Design


Design files


This design uses low-cost high voltage non-isolated controller UCC28880 for a 15V 130mA bias supply with universal 85VAC-265VAC input range.

  • Universal AC input: 85VAC-264VAC
  • Low-cost UCC28880 controller
  • High voltage transfer ratio non-isolated Buck converter
Output voltage options PMP10765.1
Vin (Min) (V) 85
Vin (Max) (V) 265
Vout (Nom) (V) 15
Iout (Max) (A) .13
Output Power (W) 1.95
Isolated/Non-Isolated Non-Isolated
Input Type AC
Topology Buck- Non Sync
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A fully assembled board has been developed for testing and performance validation only, and is not available for sale.

Design files & products

Design files

Download ready-to-use system files to speed your design process.

TIDU637.PDF (1014 K)

Test results for the reference design, including efficiency graphs, test prerequisites and more


Detailed schematic diagram for design layout and components


Complete listing of design components, reference designators, and manufacturers/part numbers


Detailed overview of design layout for component placement

TIDC752.ZIP (182 K)

Design file that contains information on physical board layer of design PCB


PCB layer plot file used for generating PCB design layout


Includes TI products in the design and potential alternatives.

Flyback controllers

UCC28880High voltage switcher for Non-isolated AC/DC Conversion

Data sheet: PDF | HTML

Technical documentation

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Type Title Date
Test report PMP10765 Test Results Nov. 05, 2014

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