hello,
i making a control circuit that have lcd, and some selectors to control ac coil contactors the problem is that the ac input voltage stepped down and the control circuit dc voltage become negative or also stepped down and the lcd get blanked when i turn off the selector.
i know that i need to put an rc snubber over the coil of the contactors,but can i put a capacitor at the output of the regulator to maintain the voltage until the coil spark is over.
or is there is any other solution rather than rc snubber
i making a control circuit that have lcd, and some selectors to control ac coil contactors the problem is that the ac input voltage stepped down and the control circuit dc voltage become negative or also stepped down and the lcd get blanked when i turn off the selector.
i know that i need to put an rc snubber over the coil of the contactors,but can i put a capacitor at the output of the regulator to maintain the voltage until the coil spark is over.
or is there is any other solution rather than rc snubber