USB to -5V Negative Voltage DC-DC switching Converter
https://www.electronics-lab.com/usb-5v-negative-voltage-dc-dc-switching-converter/
Now days USB power source is very common and available in many devices and power banks. This DC-DC converter provide -5V negative voltage from +5V USB power source. This converter can be used in a wide range of industrial automation control equipment, sensors, isolated operational amplifiers and test & measurement equipment that require bipolar supply […]