PSM-145 DC/DC step-up converter 2-24V to 5-28V with micro USB input
This small and efficient converter has a micro usb input to conveniently boost up the voltage directly from an usb port, in addition to solder pads.
You can adjust the voltage all the way to 28V by turning the golden screw near the output.
Specifications:
Size: 30X17X6mm(lxWxH)
Input voltage: 2 v-24v
Max output current: 2A (below 1A recommended)
Max output voltage: 28 V (below 26 recommended)
Efficiency: > 93% (depending on the output).