KOOBOOK 2Pcs Mini DC DC 3A Buck Step down Converter Adjustable Power Module 12v 24v to 5V 33V 9V 3A

Specifications: Output integrated adjustable and fixed voltage, fixed output is not necessary to customize, directly on the board can be spot welding, the special voltage can be used potentiometer adjustment, versatility is very strong. Output with LED light instructions to facilitate the visual indication of a voltage output. With the enabled port, the default is the operating mode, low level off, for the control to bring convenience. Can be used to replace the 78 series linear regulator, such as 7805 7812 and so on. Input and output are used 2.54mm pitch pinhole, and 7805 pin spacing, easy to use processing. Input Voltage: DC 4.5V ~ 24V Output adjust voltage: 0.8V~12V Output fixed voltage: 3.3v 5v 9v 12v ( just need to shorting pads) Output Current: 3A (Max)(Full load, please pay attention to heat dissipation) Long time working Current: 2.1A Conversion efficiency: 97.5% (maximum 6.5v to 5v 0.7A) Switch frequency: 500kHZ Output ripple: 20mV (12V to 5V 3A) Enable control: high level work, the low level not work, the high level of 2-5V, the low level of about 0V. Default internal pull up to the input positive Welding hole spacing: 2.54mm Load regulation: ± 1% Voltage regulation rate: ± 0.5% Dynamic response speed: 5% 200uS Output short circuit protection: YES(Do not short circuit for a long time) Input Reverse Protection: No Size: about 18mm * 10mm * 3.8mm (L * W * H) Application areas: DIY mobile power, monitor power supply, embed regulator, camera power supply, car power, communications equipment supply, Vehicle mounted power supply, Security monitoring, Industrial control board, Household electrical appliances etc. We highly appreciate all customers opinions to improve the selling, also if anything you unsatisfied, please contact us for probable best solution. Package Includes: 2Pcs