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
Variable Supply
It is a power supply circuit that can adjust the output voltage or current. But it still has the same characteristics as a fixed regulated circuit. It will keep a stable voltage when it has any load.
Start with: Simple variable power supply circuit
Ham radio power supply circuit with RFI elimination
Here is Ham radio power supply circuit using LM350T x4 in parallel for Amateur radio CB/RF/VHF. The output is 13.8V at 10A current. It is good circuit with PCB low noise RFI elimination.
LM338 | Datasheet | Adjustable Power Supply 5A and 10A
If you want to a LM338 variable dc voltage power supply circuit during 1.2V to 30Vdc and can provide a current maximum to 5A.
Simple Variable power supply circuit
This is simple variable power supply circuit 0-30V 2A using transistors basic circuits for beginner can builds easy with a few parts looks circuit 2 …..
LM317 voltage regulator: Pinout, CALCULATOR, and circuits
When we build variable DC power supply,output 1A and adjust up to about 30V. Most use LM317, because high-efficiency, easy to apply and cheaper[…]