Dc-dc Buck Step Down Power Module 4v-38v To 1.25v-36v 5a Voltmeter Adjustable

US $170

  • ???, ???????, China
  • Jan 29th
DC-DC BUCK Step Down Power Module 4V-38V to 1.25V-36V 5A Voltmeter Adjustable NOTE: Customers reflect the module output voltage can not be adjusted, always with the input voltage equal to. When you encounter this problem, please turn the potentiometer counterclockwise 10 laps more than, then use the module can normal regulation of voltage. Because the step-down module factory, the default output voltage at about 20V. Module highlights: 5A high power high efficiency step-down low ripple! With power indicator light! The onboard voltage meter, voltage meter can be self calibration, never do not exist the problem of accurate voltage meter!! With heat sink! Free copper column! module performance and characteristics: - belt power indicator - band voltage meter display and voltage meter can be self calibration. The voltage of the microprocessor uses more advanced, voltage meter error 0.05V, range 0~40V. (Note: to ensure the voltage meter accuracy, please ensure that the input voltage is more than 4.5V) - touch key switchable measuring input or output voltage, with the indicator light shows are measuring what way voltage, and save the settings, even the power off and then. - voltage meter can be shut down when not needed touch left keystroke can easily achieve. - with a wiring terminal, no iron can also be convenient to use, and keep the welding line connection point. - input voltage 4.0~38V. (input voltage to output voltage higher than 1.5V above) - adjustable adjustable output voltage range of 1.25V ~ 35V continuous. (input voltage should be 1.5V higher than the output voltage) - the output current is up to 5A, recommended for use in 4.5A. - the output power up to 75W. - conversion efficiency is high, up to 96% (efficiency associated with the input and output voltage, current, pressure difference) - load adjustment rate of S (I) = 0.8%, voltage adjustment rate of S (U) is less than or equal to 0.8% Having overheating protection and short circuit protection function - dimension 60*37*18mm - weight 28g The onboard voltage meter self calibration method: The 1 onboard voltage meter display output voltage, long press the right button for 2 seconds and then loosen, voltage meter and the output voltage indicator "OUT" synchronous flashing, this time to the output voltage regulation mode; similarly, the voltage meter display input voltage, long press the right button for 2 seconds and then loosen, voltage meter and the input voltage indicating lamp "IN" synchronous flashing, this time to the input voltage adjustment mode; 2 touch the right button, voltage increases one unit, touch the button on the left, reducing the voltage of a unit; voltage due to a unit value is less than 0.1V, so you need continuous press 1-5 to see the table of 0.1V voltage changes, voltage concrete continuous button a few times depends on the current display value, the current display voltage is high press, the fewer the number of; The 3 voltage after the adjustment, long press the right button for 2 seconds after the release, you can exit the voltage calibration model, all parameters set to automatically save the power down. Note: this way you only need to adjust the calibration has a precise voltage values in the whole voltage range, this function is to meet your higher accuracy requirements and design, please rest assured that the use of. The scope of application: This module can buck application field is higher than the output voltage of the input voltage, such as batteries, power transformer, DIY adjustable regulated power supply, 24V power supply, vehicle notebook industrial equipment buck, 12V transfer 3.3V, 12V transfer 5V, 24V transfer 5V, 24V transfer 12V, 36V to 24V.

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