hi microsim,
this is the smps iam trying to make.i tested things step by step.
first i checked for sgs352 it is working ok.pin no 14 and 11 were giving 5.35 and 5.40 volts
on supplying external 12 volt supply.then i inserted irs2110 pin no 1 and 7 were giving
different voltages pin1 5.40...