hi all
i need to design power supply that`s used in powering micro-controller chip, the required circuit can operate from 4.5V AC source to 40 AC source to provide 3.4 to 1.9 V to power up the micro-controller chip , i tried to design it but the problem in case of 40 V is the massive heat , and in case of 4.5v source the circuit output is lower than 1.9 v that`s needed to power the controller
note that i need only 15 mA to be supplied from this power supply load
thanks
i need to design power supply that`s used in powering micro-controller chip, the required circuit can operate from 4.5V AC source to 40 AC source to provide 3.4 to 1.9 V to power up the micro-controller chip , i tried to design it but the problem in case of 40 V is the massive heat , and in case of 4.5v source the circuit output is lower than 1.9 v that`s needed to power the controller
note that i need only 15 mA to be supplied from this power supply load
thanks