YLXT Mini MP1584EN DC-DC Buck Converter Adjustable Power Step Down Module 24V to 12V 9V 5V 3V, 6 Packs

Specifications: Input voltage: 4.5 V to 28 V Output voltage: 0.8 V to 20 V Output current: 3 A (maximum) Conversion efficiency: 92% (maximum) Output ripple: less than 30 mV Switching frequency: 1.5 MHz (highest), typically 1 MHz Operating temperature: -45 ? to 85 ? Size: 22 mm by 17 mm by 4 mm Application: DIY mobile power, monitor power supply, power buggies, camera power supply, car power, communications equipment supply,etc. Package includes: 6 x Mini MP1584EN DC to DC buck converter You can adjust the voltage by placing a multi-meter on the output, synchronously, using a screw driver to adjust a potentiometer. It can be minute adjustments to achieve a precise voltage. Notes: These boards are adjustable current limiting, fixed 3A current limit. Please make sure that this module within its working range before using. Please don't output short circuit, otherwise the board would burn out. When setting the parameter, please make sure output voltage is stable before using the module to avoid any possible damage. Tips: Please check if the product package is intact before opening. Please check if the negative and positive terminals are accessed correctly before operating. The input voltage should not be over 28 V to avoid damage.