Power supply circuit diagram

Variable Power Supply 0-30V_10A using dual 2N3055 transistors, LM317, BD139, A/V Meter and two Potentiometers to control amperes & volts.

I am pretty new to SMPS circuits. I understand there's a bleeder resistor, a flyback diode circuit to power the transistorized osc circuit. I guess that the current around the MOSFET will be like a...

The 12v Transformerless Power Supply is alternative to series resistor for voltage dropping, utilizing series capacitor and bridge rectifier.

This article will guide you on how to make a voltage booster using a 555 timer IC. This simple electronics project uses common components.

Transformerless Power Supply (220V AC to 14V DC) circuit + pcb

Troubleshooting & Repairing Switch Mode Power Supplies PDF, Troubleshooting Repairing, Power Supplies, Repairing Switch,

Build a Bench top lab power supply that is capable of delivering 0 to 50 volts and 0 to 5 amp or A to the load. This electronic project can serve as a your lab power supply to test and power your experiments. With the variable supply feature, it is easy to control and deliver voltage and current to the load.

Simple transformerless RGB LED glow power supply The presented project circuit diagram is a simple transformer-less power supply. Thr...

This is the LED light power supply for a 5-watt LED light. this circuit can make 5 watts. here 4 diodes to make AC to DC voltage

Here is 12V/13.8V high current power supply circuit, 5A,10A,15A,20A,25A, and 30A. For using Radio transmitters in-home, Using normal parts.