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Product Name : 72W 1-3A DC 6V 9V 12V 24V 36V 48V Adjustable Constant Current LED Driver Module MCU IO PWM Controller Board
 
Packing list:
1 PCS 6V 9V 12V 24V 36V 48V 1-3AHigh-powerMultifunction LED driver Module
 
Description: 
DC 6-50V 1-3A Step-down High Brightness LED Driver with 5000:1 Dimming 
Working voltage : L Version DC 6-16V, H Version DC 8-50V(Perfect for 6V 9V 12V 18V 24V 36V 48V LED Driver)
Output Current: 1A/2A/3A;By changing the RCS resistance, the maximum current can reach 4A
Maximum output power: 72W(36V/2A)
Current regulation: 1 through adjustable resistance; 2 through PWM control
Single pin on/off and brightness control using MCU IO 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
Over temperature drop current function
Adjustable Constant LED Current
Size : 45mm x 21mm x 16mm
Weight : 11g(No terminal),14g(with  terminal)
Note : Different versions have different operating voltages and maximum output currents, please see the table below:
 
 
 
 
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.
 
 
 
 
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