control buck converter using a microcontroller

[sasidhar60]

hey someone help me out .
i want required dc voltage from a 220v dc source using buck converter
i want to give a pwm signal to the mosfet gate through a driver from a micro controller
give links or explanations as i didnt get a clear cut picture

 

[goldsmith]

Dear sasidhar60
Hi
It is simple , but you forgot to say that what is your exact problem ?! do you need it's diagram ? or perhaps you can't design the value of elements ?
Best Wishes
goldsmith

 

[sasidhar60]

diagram and any links or softwares for design

---------- Post added at 15:37 ---------- Previous post was at 15:28 ----------

i am using avr 8051 8 bit micro conttroller

---------- Post added at 15:37 ---------- Previous post was at 15:37 ----------

i am using avr 8051 8 bit micro conttroller

 

[goldsmith]

do you need feed back to stabilize voltage ?
how much current and voltage do you need ?
BTW : don't forget to shift the out put of your micro , to 15 volts .
Best Lucks
Goldsmith