love_electronic
Member level 5
Hi,
i want to step up the voltage from 9v to 30v dc, i require 20mA current at output.what scheme i use, i have heard about PWM,can i use 555 for that purpose? if yes then how? or any other scheme?
i want to step up the voltage from 9v to 30v dc, i require 20mA current at output.what scheme i use, i have heard about PWM,can i use 555 for that purpose? if yes then how? or any other scheme?