4Pcs 20A 300W Buck Converter Step Down Module DC 6-40V to 1.2-36V 20A 300W Adjustable Constant Current Voltage Regulator Power Supply Module with Short Circuit Protection Function

About this item

• •Input reverse connection protection: no
• •output anti-reverse current: no, for load self-charged or inductive load requires additional 2 transistors
• •Wiring method: terminal block
• •Output current adjustment method:
• •1. Adjust the CV potentiometer, according to your load requirements, set the output voltage to the voltage value you need.
• •2. counterclockwise set CC potentiometer about 30 turns, (that is, the output current is set to the minimum), connected to the LED, adjust the CC potentiometer to your desired current. For battery charging, after the battery is discharged, and then connected to the output, adjust CC to your desired current, (for charging must be used to discharge the battery to adjust only accurate, because the more power left in the battery, the smaller the charging current.)
• •Wiring instructions:
• •OUT+: output positive
• •OUT-: output negative
• •+IN: input positive
• •-IN: input negative
• •CV: output voltage adjustment
• •CC: output current regulation
• •EN: enable, low level to turn off the output; pause, high voltage level active
• •When the input and output ground, no-load CV output constant voltage, CC output constant current
• •Package included:
• •4 x 300W 20A buck converter step-down module

Specifications