Isolated DM Flyback (5V @ 0.15A) for Airplanes


Design files


This low-cost (0.75W) isolated flyback regulator produces a 5V output from a low 10V – 20V input voltage range. A full-load efficiency of 83% was achieved from a 12V nominal input.

Output voltage options PMP5302.1
Vin (Min) (V) 10
Vin (Max) (V) 20
Vout (Nom) (V) 5
Iout (Max) (A) .15
Output Power (W) .75
Isolated/Non-Isolated Isolated
Input Type DC
Topology Flyback- Non Sync^Flyback- DCM

Design files & products

Design files

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

SLVR484.PDF (1688 K)

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

SLVR483.PDF (51 K)

Detailed schematic diagram for design layout and components

SLVR482.PDF (19 K)

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


Includes TI products in the design and potential alternatives.

Boost controllers (external switch)

TPS402104.5~52V Wide Input Range Boost/SEPIC/Flyback DC-DC Controller

Data sheet document-pdfAcrobat PDF open-in-new HTML
Shunt voltage references

TL431Adjustable precision shunt regulator

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

Technical documentation

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Type Title Date
Test report PMP5302 Test Results Nov. 10, 2010

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