Resistanceisbutyl
Member
Hey folks,
I'm troubleshooting an industrial control set, there seems to be a power spike when the downstream of a 7805 is loaded, the voltage spikes from a stable 5v to almost 7 when the load is applied.
(1) The problem I am troubleshooting is erratic behavior in the microcontroller circuits downstream during and only during the load condition, it is reasonable to assume this may be the cause, correct?
(2) Is this spiking likely the fault of the 7805, or could it be the filter caps? They appear to be oversized since they are both 100uf.
Thanks!
I'm troubleshooting an industrial control set, there seems to be a power spike when the downstream of a 7805 is loaded, the voltage spikes from a stable 5v to almost 7 when the load is applied.
(1) The problem I am troubleshooting is erratic behavior in the microcontroller circuits downstream during and only during the load condition, it is reasonable to assume this may be the cause, correct?
(2) Is this spiking likely the fault of the 7805, or could it be the filter caps? They appear to be oversized since they are both 100uf.
Thanks!