Isolated Flyback generating 13-110Vin 12Vout 1A


Design files


This isolated flyback works from 13V to 130V input voltage, delivering 12V @ 750mA. A 250KHz switching frequency allows the use of a small transformer.

Output voltage options PMP4650.1
Vin (Min) (V) 13
Vin (Max) (V) 110
Vout (Nom) (V) 12
Iout (Max) (A) 1
Output Power (W) 12
Isolated/Non-Isolated Isolated
Input Type DC
Topology Flyback- Non Sync

Design files & products

Design files

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

SLUU708.PDF (106 K)

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

SLUK002.PDF (81 K)

Detailed schematic diagram for design layout and components

SLUR594.PDF (30 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 PMP4650 Test Results Oct. 21, 2011

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