12V 2A Power Supply Circuit with Bridge Rectifier & Filter Design
Learn to build a 12V power supply without IC regulators. Uses bridge diodes and capacitors. Full schematic and design guide included. Read more
Power supply
4 Buck Converter Circuit | Step-down Converter
Here are 4 examples of a buck converter circuit or step-down converter. There are many ways to make it, such as using transistors or ICs. Read more
12V to 24V Boost Converter — Efficient DIY Circuit with 5A Output
This is simple the 12V to 24V step up converter circuit, can convert DCV from 12V to 24V at 1A max. Using TDA2004. Why is amplifier IC? It easy&inexpensive. Read more
MC34063 Switching Regulator: Step-Up, Down & Inverting Circuits
Use MC34063 small switch mode regulator chip for Step-up, step-down converter, other switching regulator circuits, high efficiencies over 90%. Read more
7905 Pinout and Real Circuits: Fixed, Adjustable, Dual Supply
Use 7905 voltage regulator chip in many ideas such as 5V negative fixed, variable, dual power supply, high current, and more circuits. Read more