5pcs DC 9V 12V 18V 24V 20W Adjustable LED Driver PWM Controller DC DC Step Down Module Constant Curr

Description:? ? - 6-25V 900mA Step-down High Brightness LED Driver with 5000:1 Dimming? - Working voltage : DC 6-25V(Perfect for 6V 9V 12V 18V 24V? LED or LED strip) - Output Current: 30-900MA;By changing the RCS resistance, the maximum current can reach 1200MA - Maximum output power: 20W - Current regulation: 1 through adjustable resistance; 2 through PWM control?? - Single pin on/off and brightness control using DC voltage or PWM - Up to 1MHz switching frequency - Typical 5% output current accuracy - Inherent open-circuit LED protection - High efficiency (up to 97%) - High-Side Current Sense - Hysteretic Control: No Compensation - Adjustable Constant LED Current? - Size : 30 x 15 x 6.3mm ? Package Included: ? 5 x DC 9V 12V 18V 24V 20W Adjustable LED Driver PWM Controller DC DC Step Down Module? ?