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

DUAL 5V AND 12V REGULATED POWER SUPPLY USING LM7805 AND LM7812 (1)

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

 

DUAL 5V AND 12V REGULATED POWER SUPPLY USING LM7805 AND LM7812 (3)

SCHEMATIC

 

DUAL 5V AND 12V REGULATED POWER SUPPLY USING LM7805 AND LM7812 (2)

PCB Layout Top Silk Screen & Bottom layer

 

DUAL 5V AND 12V REGULATED POWER SUPPLY USING LM7805 AND LM7812 (1)

BOM

2 comments

  • This is very helpful, I am beginner in circuit making, Can you please tell me, how to connect all the gnd terminal in this circuit? I have already completed the circuit manually on hand made pcb.

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