Drok usb step up converter input voltage is dc 5v output voltage is dc 9v or 12v max output current is 1a 9v 0 8a 12v.
Usb step up 5v to 12v.
Usb to 9v 5v to 12v step up drok usb cable 5v boost to 9v 12v voltage converter 1a step up volt transformer dc power regulator line with led display.
3 testing and application.
The primary circuit is shown in figure 1.
2 how dc to dc boost converter works.
Get it as soon as wed may 6.
Because as circuit increase voltage as the usb 5v to 12v dc dc step up converter.
This circuit is called a boost converter circuit.
In per mode it can be used as a power supply module with 3 5v 12v to 1 0v 24v wide adjutable voltage range.
This adaptor provides you with 12v output from a common usb socket usually 5v output.
12v 1a rated output.
The lm2577 are monolithic integrated circuits that provide all of the power and control functions for step up boost fly back and forward converter switching regulators.
Usb to 9v 5v to 12v step up drok usb cable 5v boost to 9v 12v voltage converter 1a step up volt transformer dc power regulator line with led display 4 2 out of 5 stars 274 10 98.
4 1 out of 5 stars 186.
Step up dc dc converter is based on lm2577 adj ic this project provides 12v output using 5v input maximum output load 800ma.
Includes 7 standard dc tips to suit your device.
1 basic of dc boost converter.
Note your usb port must be equipped for high current charging 2 1a or greater.
Useful for powering all sorts of 12v devices direct from a computer or other usb charging source.
Free shipping on orders over 25 shipped by amazon.
In vah mode it can be used as multi function multimeter to measure voltage current power battery capacity discharging time temperature.