ro
77270021S is an electronic component manufactured and sold by Topmetro. It is a DC-DC buck converter module which converts an input voltage of 4.5-22V to an output of 1.25-20V. It also offers a wide range of adjustable current limits, 4 LED indicator lights, and various protection features. It is ideal for a variety of applications including LED lighting, automotive systems, radios, and robotics.