5V & 12V DC Dual Output Power Supply Using LM7805 & LM7812

This circuit can be used to power up TTL and CMOS based projects, it provides  5 VDC & 12 VDC @ 1 A outputs.  The kit is based on the industry famous 780xx series voltage regulator in TO220 packages.

• Supply input 15 VAC
• Output 5 V & 12 V @ 1 A regulated low ripple DC voltage
• Onboard diode rectifier to convert AC to DC
• Thermal overload/short circuit protection (provided by IC feature)
• Screw terminal connector for easy supply input and output connection
• Filter capacitors for low ripple DC output
• LED indication at input of IC
• PCB dimensions 37 mm x 61 mm

 

SCHEMATIC

 

PCB Layout Top Silk Screen & Bottom layer

 

BOM