DC-DC adjustable power supply module LM2596 voltage regulator module with voltage meter display
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The table shows the voltage, voltage meter error 0.1V, range 0 ~ 40V. Note: the input voltage is lower than 4V, and the board load meter is not displayed.
Original touch button to switch to measure the input or output voltage, and indicator shows which way the voltage being measured, and keep the final set, even the power off and then boot
The voltage meter can be turned off, press the switch for 1 seconds or more and less than 4 seconds, you can let go off
Input output voltage measurement error calibration function, long press the switch more than 4 seconds, let go after entered voltage measurement error calibration function, this lamp light input end of the calibration, digital tube flashing display a positive (factory parameters is 0.0) at the short press the button can change the number of values (numerical range is 0.5 ~ 0.5, the unit is v), positive numbers to calibration, negative, indicating a downward calibration. Adjustment input end than the standard value, long press the button for more than 2 seconds, let go into the output error calibration, at this time out lamp bright (calibration output) and show output calibration values, adjustment method and the input of the same, output end of the calibration value, long press the button for more than 2 seconds, let go after storing the set numerical and return to the normal voltage, set the correction value is effective immediately and not lost power.
With a wiring terminal, no iron also can be easy to use, and keep the welding line connection point
Input voltage 4.0~40V (input voltage must be higher than the output voltage of 1V above. )
The adjustable adjustable output voltage range of 1.25V to 37V (continuous input voltage must be higher than the output voltage of 1V and above)
The maximum output current is up to 3A, normal and stable working current in 2A
Adopt the internal 150KHz oscillation frequency, which belongs to the second generation switching voltage regulator, low power consumption, high efficiency
The new DC-DC adjustable power:1pcs
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