LM337 Adjustable Negative Voltage Regulator Circuits
The LM337 is a 3-terminal adjustable negative voltage regulator. It can supply from -1.2V to -37V at 1.5A or more with minimum components. Read more
Negative Power Supplies
7905 Negative Voltage Regulator Circuits
Use 7905 voltage regulator chip in many ideas such as 5V negative fixed, variable, dual power supply, high current, and more circuits. Read more
Simple transformerless power supply circuits
Learn these transformerless power supply circuits, use a capacitor instead, it smaller and lighter than transformer. There are circuits as follows. Read more
12V Dual Power Supply Circuit using 7812 & 7912
Dual DC Regulator using +12V, -12V and Ground output Read more
3 Multi voltage power supply circuits
Multi voltage power supply circuit. There is 2 Dual output, The 12V are +12V,-12V, Ground. And also the 5V are +5V, -5V, Ground. All 1A max. Read more