5V & 12V Regulated Power Supply
This project can be used to power up TTL and CMOS based projects, it provides 5 VDC & 12 VDC outputs with an onboard mains transformer. The project is based on the industry popular 7800 series voltage regulator in TO220 packages.
This project can be used to power up TTL and CMOS based projects, it provides 5 VDC & 12 VDC outputs with an onboard mains transformer. The project is based on the industry popular 7800 series voltage regulator in TO220 packages.
Features
- Input: 240 VAC
- Output: 5 V, 12 V @ 600 mA regulated low ripple DC voltage
- Thermal overload/short circuit protection (provided by IC feature)
- Power Battery Terminal (PBT) for easy input and output connection
- External On/Off switch connection possible
- LED indication for outputs
- Four mounting holes of 3.2 mm each
- PCB dimensions 87 mm x 49 mm
Schematic




nice work
Can u plese make me a 0 to 12 volt power supply
what is j1 OMIT i cant understand
It means not to be used.
Nice work
Regulator ICs without heatsinks? For 600mA itsok but what component will limit the current not to be exceeded?for 7805 … input voltage is already much greater than the output 5volts… the more that difference…IC needs to be heatsinked… how is this circuit tested?
Yes, this board requires a heatsink to deliver the full output power. It’s just not present on the photos.