switch mode power supply (SMPS) circuit design

[gman112233]

Hi i am totally new to this website and i have a circuit design in which i need serious help with, i am totally clueless! here it is;

a switch mode power supply capable of deliverying 2A at 55V Dc. . The energy source will be a nominal 230V 50Hz supply. Protection against short circuits in the output should be provided.

That is the circuit design specs i just dont know what to do, could someone plz help

 

[keith1200rs]

Look at the design tools on Power Integrations web site powerint.com

Keith

 

[ServoAmp]

Here Is an Off the Shelf unit for $123.00

Digi-Key - VF-S320-54A-1-ND (Manufacturer - VF-S320-54A-1)

Here is a reference design that meets your specs.

http://www.powerint.com/sites/default/files/PDFFiles/der212.pdf