LD24AJTA DC-DC Step-down Constant Current Converter DC 6-24V 30-900mA Adjustable LED Driver PWM Controller Product Name : DC 6-24V 30-900mA Adjustable LED Driver PWM Controller DC-DC Step-down Constant Current Converter Packing list: 5 PCS 30-900MA 6-25V Multifunction LED driver Module The MINI version only has a smaller size, with the same functionality and performance. Suggest purchasing MINI version 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 Driver) 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 : 30mm x 15mm x 6.3mm Weight : 2.5g Mini Size : 18mm x 15mm x 6.5mm Weight : 2.1g Application 1: Wiring in accordance with the following figure, use a suitable screwdriver gently and slowly rotate the adjustable resistance. Application 2: Ignore the adjustable resistance, control the output current through the PWM port, the current is 0-900MA adjustable Application 3 : Add an enable control switch based on application 1.