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.
Usb step up 5v to 12v.
In per mode it can be used as a power supply module with 3 5v 12v to 1 0v 24v wide adjutable voltage range.
The usb to 9v cable can be used to power the router via power bank if power down.
This usb step up down module support two mode.
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This circuit is called a boost converter circuit.
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.
Step up dc dc converter is based on lm2577 adj ic this project provides 12v output using 5v input maximum output load 800ma.
Usb 5v to dc 12v 4mm x 1 7mm power cable compatible with echodot devices usb voltage step up converter cable power supply adapter cable dc 5v to dc 12v cable 3a required black.
2 how dc to dc boost converter works.
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.
Because as circuit increase voltage as the usb 5v to 12v dc dc step up converter.
The primary circuit is shown in figure 1.
12v 1a rated output.
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.
In vah mode it can be used as multi function multimeter to measure voltage current power battery capacity discharging time temperature.
Note your usb port must be equipped for high current charging 2 1a or greater.
Includes 7 standard dc tips to suit your device.
1 basic of dc boost converter.
Useful for powering all sorts of 12v devices direct from a computer or other usb charging source.
Get it as soon as wed may 6.