Isolated Sync Flyback (5V @ 0.2A) for Motor Control


Design files


This low-cost (1W) isolated synchronous flyback regulator produces a 5V output from a low 24V input voltage and obtains a full-load efficiency of 85%. Possible applications include security systems, industrial, telecom and medical.

Output voltage options PMP2431.1
Vin (Min) (V) 20
Vin (Max) (V) 28
Vout (Nom) (V) 5
Iout (Max) (A) .2
Output Power (W) 1
Isolated/Non-Isolated Isolated
Input Type DC
Topology Flyback- Synchronous^Flyback- CCM

Design files & products

Design files

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

SLVR992.PDF (1045 K)

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

SLVR990.PDF (56 K)

Detailed schematic diagram for design layout and components

SLVR991.PDF (22 K)

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


Includes TI products in the design and potential alternatives.

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Technical documentation

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Type Title Date
Test report PMP2431 REVB TEST RESULTS Jan. 14, 2011

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