What is inside Lm7805?

Well, National Semiconductor shows this schematic in their datasheet for a LM78M05. Is that what you are looking for? If not, take a hammer, smash the device, this will also show the contents

Tom

hello,

for more detail you can go through a book electonic system desigh by "botkar"

hammer? humor?

In fact, as a user, you neednt know what is inside. becasue it s not too diffcult to use.

ots only a linear device. not switcher.