This simple switching regulator circuit have 5 V output, the input provide by a 9 V battery. It having 80% efficiency and 50mA output capability.

This universal power supply circuit provides a variable voltage between 3-30 V. The power supply provides maximum current 1.5 A and with a few […]

As in the title Power supply from usb port, the power supply circuit using a source from USB port, with an adjustable stabilizer can be […]