Thread: Need example for using optoisolator & FET
View Single Post
  #4   Spotlight this post!  
Unread 10-02-2014, 10:21
zbrozek zbrozek is offline
Registered User
None #1700
  
Join Date: Jan 2014
Location: Sunnyvale, CA
Posts: 19
zbrozek will become famous soon enough
Re: Need example for using optoisolator & FET
I'd use an integrated device, something like this.

Just add an LED current-limiting resistor to the input. Assuming you're driving with 5v, a 750 ohm resistor should be about right.

-Sasha