The module is designed to convert the input voltage of 0.9 - 5V to the output 5V. Features of this module are: low cost and very small board sizes. Due to these advantages, a DC voltage converter can be used in the design of portable charging, flashlights and other similar devices.
With a small number of electronic components, the converter is able to maintain a stable voltage at the output of the module. The maximum output current of the voltage converter is 600 mA, and the efficiency (efficiency) is up to 95%. The module also has a small ripple of the output voltage, which does not exceed 30 mV. The module does not have reverse polarity protection, so you need to carefully monitor the polarity when connecting an external power source.
An external DC power supply is connected to the IN + and IN- terminals by soldering, and the output voltage is supplied to the device using a USB connector. Pin assignments:
IN +: input voltage 0.9 - 5 V
IN-:
common wire (ground) of an external power source
The input DC voltage range is from 0.9 to 5 V, and the inverter output voltage is 5 V.