Dear hevans1944 thanks for your replay but because I have very short time to finish this task that's why I put it here to hear from expert such as you and other friends .
i wish if you can help me design a power supply has these specification,
Title: "Design of a 60W portable power supply for Engineers"
Specific requirements
· Must be able to maintain the “set” output voltage regardless of input voltage and load current.
· A method for setting output voltage
·...