I'm looking for alternative design ideas with low BOM counts and lower cost DC voltage regulator ( output 5VDC/2A). Currently under consideration is NTE1934
http://www.nteinc.com/specs/1900to1999/pdf/nte1934.pdf
Project details:
* 8 CCTV cameras that require 5VDC /2A each and will be connected to a central source supplying 12VDC. The wires (18AWG) running from cctv to central sources range from 50 feet to 120 feet.
* additional 16 cctv cameras are also connected to central source without modification, since each requires only 12VDC/300mA.
NOTE: the cctv that are located 120 feet from the central voltage source supplying 12VDC/2A will have voltage drop of 3.82VDC (8.18VDC at the load). This should meet the minimum operating voltage input of NTE1934 of 8VDC.
Trying to figure out if NT1934 would require heatsink.(power dissipation = (voltage drop)x(load current) = 7.64watts??)
Thanks for your advanced inputs/suggestions.
http://www.nteinc.com/specs/1900to1999/pdf/nte1934.pdf
Project details:
* 8 CCTV cameras that require 5VDC /2A each and will be connected to a central source supplying 12VDC. The wires (18AWG) running from cctv to central sources range from 50 feet to 120 feet.
* additional 16 cctv cameras are also connected to central source without modification, since each requires only 12VDC/300mA.
NOTE: the cctv that are located 120 feet from the central voltage source supplying 12VDC/2A will have voltage drop of 3.82VDC (8.18VDC at the load). This should meet the minimum operating voltage input of NTE1934 of 8VDC.
Trying to figure out if NT1934 would require heatsink.(power dissipation = (voltage drop)x(load current) = 7.64watts??)
Thanks for your advanced inputs/suggestions.