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Adjustment method:
First connect properly to the input power supply (between 40-4.5V) and then use a multimeter to monitor the voltage and adjust the potentiometer (generally clockwise to increase, counterclockwise to decrease).
Warm tips: when adjusting When adjusting the tension, it should be noted that the required tension is set in the unloaded state.
More than 10 turns to reset the module.
Specifications:
Pin Assignment:
Maximum Output Current = 3 / (Vin - Vout)
The efficiency is not very high because it is linear. To improve efficiency it is best to have 3V voltage difference between input and output. However, the maximum voltage difference between input and output should not exceed 30 V, ie input - output < 30V, otherwise the module can easily burn out.
Because it is a DC-DC linear step-down circuit, the input voltage must be more than 3V higher than the output voltage for the output voltage to be stable.
Scope of delivery:
