0-30V Variable Power Supply at 3A
Cheap adjustable 0-30V 3A Laboratory DC Power Supply. high efficiency regulator circuit by IC regulator UA723-TIP3055 as power.Protect over load maximum 3A
LM723
0-50V 3A Variable power supply
It is a modern circuit, Thus you can buy all components in the local store or buy KIT. And the important thing is the overcurrent protection.
Converts power supply to automatic battery charger using SCR-CA723
This is how to modify old Lead-acid battery charger or convert power supply to battery charger in automatic. To protect over charging by CA723 and power SCR
0-30V 0-5A regulated variable power supply circuit
Do Not Make This circuit If You are not brave enough.
5V 5A, 8A Power supply circuits
For digital that need high current 5A up it low noise and easy to build because is linear