The Mother Board

Motherboards.org forums. Free tech support, motherboard ID, and more.
It is currently Tue Oct 23, 2018 7:50 pm

All times are UTC - 8 hours




Post new topic Reply to topic  [ 2 posts ] 
Author Message
PostPosted: Fri Jul 28, 2017 12:46 am 
Offline
Pilgrim
Pilgrim

Joined: Fri Jul 28, 2017 12:43 am
Posts: 1
I was looking over a datasheet for the NE555 Timer and I was wondering if the max supply current given under the electrical characteristics page is the max current you can supply to the 555 without damaging the chip.

I ask because it seems like the supply current (for 15V input) is relatively low (10mA) compared to the output current (225mA).

Is the supply current the max current you can put on pin 8 without burning out the chip? If so, why is it so low compared to the output current? If not, how does one find the input current?



Edit: URL link deleted. Considered as reference to another site or service without authorization.
..Karlsweldt.


Top
 Profile  
Reply with quote  
PostPosted: Sat Jul 29, 2017 8:40 am 
Offline
Mobo-fu Master
Mobo-fu Master

Joined: Wed Nov 12, 2003 11:57 am
Posts: 20868
Location: 07438
As to the specs on that 555 IC unit, they are the maximum operating limits. The controlled current or voltage, if different, must be handled by an auxiliary switching device.. and can be in excess of 100 amps or 1,000 volts.
The 555 timer itself can control only the specified amount of voltage or current.

_________________
F@H.. to solve mankind's maladies.. in our lifetimes!


Top
 Profile  
Reply with quote  
Display posts from previous:  Sort by  
Post new topic Reply to topic  [ 2 posts ] 

All times are UTC - 8 hours


Who is online

Users browsing this forum: No registered users and 2 guests


You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum

Search for:
Jump to:  
Powered by phpBB® Forum Software © phpBB Group