High Efficiency Primary-Side Regulation Flyback with 23-56Vin to 5Vout/0.6A Reference Design


Design files


PMP9009 has been designed as a competitive open-frame alternative for the communications market with 23-56Vin to 5Vout/0.6A. PMP9009 has a basic insulation system from input to output making it suitable for a wide variety of applications. UCC28700 is used as the controller for primary-side regulation Flyback converter. PMP9009 has a 81% converter efficiency.

Output voltage options PMP9009.1
Vin (Min) (V) 23
Vin (Max) (V) 56
Vout (Nom) (V) 5
Iout (Max) (A) .6
Output Power (W) 3
Isolated/Non-Isolated Isolated
Input Type DC
Topology Flyback- DCM
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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.


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

SLUC485.ZIP (172 K)

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


Includes TI products in the design and potential alternatives.

AC/DC & DC/DC controllers (external FET)

UCC28700Constant-voltage, constant-current PWM with PSR & Programmable cable compensation

Data sheet: PDF | HTML

Technical documentation

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Type Title Date
Test report PMP9009 Test Results Aug. 09, 2013

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