Dual Output Fly-Buck Reference Design


Design files


This reference design is an isolated Fly-Buck converter with an extend industrial input voltage range from 12 to 36V. It provides two outputs with +17V/45mA and -17V/30mA.

  • Single Input - Dual Bipolar Output
  • Built and Tested, Test Report included
  • Isolated design works from 24V Industrial Bus Voltage
Output voltage options PMP10101.1 PMP10101.2
Vin (Min) (V) 12 12
Vin (Max) (V) 36 36
Vout (Nom) (V) -17 17
Iout (Max) (A) .03 .045
Output Power (W) .51 .765
Isolated/Non-Isolated Isolated Isolated
Input Type DC DC
Topology FlyBuck FlyBuck

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.

TIDU918.PDF (580 K)

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

TIDRE96.PDF (145 K)

Detailed schematic diagram for design layout and components

TIDRE97.PDF (15 K)

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

TIDRE98.ZIP (86 K)

Files used for 3D models or 2D drawings of IC components


Includes TI products in the design and potential alternatives.

Isolated DC/DC converters & modules

LM50177.5-100V Wide Vin, 600mA Constant On-Time Synchronous Buck Regulator

Data sheet document-pdfAcrobat PDF open-in-new HTML

Technical documentation

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Type Title Date
Test report PMP10101 Test Results Apr. 13, 2015

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