Product Introduction

• Equipped with power indicator light

  
  

• Equipped with a button to adjust the output voltage function.

  
  

• 1. Ensure that the input voltage is between 36V. When the output voltage is below 10.0V, it can be adjusted by changing it by 0.02V. When the output voltage is greater than or equal to 10V, it can be adjusted with a variation of 0.1V. (Actually, it can achieve 0.02V due to display reasons)

• 2. The output voltage control range is between 0.5V and 35V. If the set output voltage exceeds the input voltage, the output will only be equal to the input.

• Equipped with a voltmeter display and advanced microprocessor, the voltmeter has an error of ± 0.05V, an input voltage range of 0-40, and an output voltage range of 0-35V (note: to ensure the accuracy of program control and display, please ensure that the input voltage is above 7V, and each meter undergoes a built-in precision calibration program in this module before leaving the factory).

• Short press the IN/0UT button to switch between measuring input or output voltage, and there is an indicator light to display which voltage is being measured and save the settings. Even if the power is turned off and restarted, it will still be the last set value.

• The voltmeter display can be turned off, and when it is not necessary to display, long press the ON/OFF button to easily achieve this setting and save power.

• The output voltage can be turned off. When it is necessary to turn off the output voltage, short press the ON/OFF button and release it to achieve the turn off of the output voltage. If you want to turn it on, you need to press the ON/OFF button briefly and release it to turn on the output voltage. When the output terminal is loaded with a large load, the output voltage will quickly drop to 0. If there is no load, the output voltage will slowly drop to 0V through the sampling resistor. This setting implements the power-off saving function.

• With wiring terminals, it can be easily used without a soldering iron, and the soldering wire connection points are retained

• The normal stable operating current is 2A, and the maximum output current can reach 3A (if the output exceeds 2A, heat dissipation needs to be strengthened).

• Adopting an internal oscillation frequency of 150KHz, it belongs to the second-generation switching voltage regulator, with low power consumption and high efficiency

• Equipped with overheat protection and short circuit protection functions

Product Operating instructions

1. Short press and release the IN/OUT button to switch the input/output voltage display function.

2. Short press and release the ON/OFF button to turn off the output. If there is a large external load, the output will quickly drop to OV. If the load is not connected, the output will slowly decrease to OV.

3. Long press the ON/OFF button to turn off and on the digital display

4. Short press the "+" button to enter the output voltage setting mode, flash the OUT indicator light and display the set output voltage. If it is below 10V, it can increase by 0.02V per grid, and if it is above 10V, it can increase by 0.1V per grid. Long press the "Add" button to quickly increase the voltage. Press the plus or minus button for 2 seconds after release to automatically exit the output voltage setting mode.

5. Short press the "-" button to enter the output voltage setting mode, flash the 0UT indicator light and display the set output voltage. If it is below 10V, it can be reduced by 0.02V per grid, and if it is above 10V, it can be reduced by 0.1V per grid. Long press the 'decrease' button to quickly reduce the voltage. After releasing it, if there is no addition or subtraction button pressed for 2 seconds, the output voltage setting mode will automatically exit

Special attention

1. The output voltage control range is between 0.5V and 35V, with 35V being the maximum output voltage. It is recommended that the output voltage not exceed 32V when in use.

2. When the minimum output voltage of this module is 0.5V, the lower the output voltage in the no-load state, the more floating the voltage will be. If the customer needs the minimum voltage, a 200-510 ohm resistor needs to be connected in parallel at the output end.

3. If output is required A current of 1A~3A, this module needs to strengthen heat dissipation. If heat dissipation is not strengthened, long-term operation will cause damage to the module.

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