DROK DC-DC 4-30V to 1.2-30V 12V Continuously Adjustable Step-Down Voltage Regulator Buck Volt Converter Module Board
I would use a dummy load resistor [connected to the output] to draw the maximum current at the desired voltage. With current pot at maximum, decrease until the [output] voltage drops.
Module properties: non-isolated buck module
Input Voltage:DC 4-30V (limit 36V)
Output Voltage: DC 1.2-30V (adjustable,default 5V)
Minimum Voltage Difference: 1V
Output Current Range: 0-10A (default 6A)
Output Constant Current Range: 0.3-10A
Operating temperature: -40°c to +85°c
Working frequency: 150KHz
Conversion efficiency: up to 98%
Installation: 4x 3mm screws
Wiring: Terminals, Needn't solder, V-IN input, V-OUT output
Cutting size: 60mmx26mm
Have operating indicator
Protection function
Short circuit protection: YES ( Limit current is the constant current value)
Over-temperature protection: YES (Over-temperature auto reduces the output current)
Input reverse polarity protection: None (If need please install diode at input port )
Output install diode protection: None ( please install diode at output port )
Current voltage adjust:
Voltage adjust: clockwise increase,counterclockwise reduce
Current adjust: clockwise increase,counterclockwise reduce
Please note that when setting the constant current value,voltage should higher than 1.2V
Some Application:
DIY Voltage Regulator
Power supply for electronic equipment.
For battery charging,Setting the charging voltage and current according to the different voltage&battery capacity,with indicator, convenient to observe the state of charge.
Solar panels power supply for battery charging, overcharge protection.
Car power supply, for cell phone, laptop, etc.
So this is the closest Drok model that is reviewed on youtube
So he explains that ONE voltage adjustor is the OUTPUT voltage
Another review here
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