Two voltage sources and a power plane

[engr_joni_ee]

Hi, I have a general question. If a power source that can be a linear voltage regulator or a DC-DC converter is rated for a maximum current which is little more than half of the actual current needed by the components on the PCB to be designed. Can we use two identical voltage sources in the schematic and connect both voltage sources to power and ground plane ? What are the drawbacks with this solution to get the required higher current when one voltage source is not enough ?

 

[KlausST]

I guess the same question has been asked hundreds of times here and in the internet.

In short:
One can not give a useful answer wihtout useful specifications. (datasheets)
In moste cases it does not work satisfactory.

Klaus