Set up decode mode for CMX618. Why the 7805 is very hot?

Status
Not open for further replies.

bluexylitol

Newbie level 4
Joined
Aug 8, 2009
Messages
6
Helped
0
Reputation
0
Reaction score
0
Trophy points
1,281
Location
Vietnam
Activity points
1,319
Dear all,

I am using CMX618 for one application. When I set up decode mode for CMX618 (Write $0x0001 into the VCTRL register). The 7805 is rapidly hot. My schematic is as in my attached file here. Could you help to explain and solve this problem?
 

Status
Not open for further replies.
Cookies are required to use this site. You must accept them to continue using the site. Learn more…