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DC-DC Step Down Power Supply Adjustable Module

    Weike Electronics is a professional manufacturer and exporter that is concerned with the design, 
development production and marketing of arduino, 3d printers, raspberry pi and STM32. 
Our Dream is to make the best price and best quality produce for customers. 
So we would like to receive your valuable suggestions for our products and we can improve them for you. 





Contact: Sophie

Phone: 13790385217

 Tel:0755-66803279 

Email: sophie@weikedz.com

Add: No.1 Longguan Road, Longhua,Shenzhen,Guangdong,518000



Specifications:

Converter type: DC-DC
Input voltage: 5~23V (Best voltage 20V)
Output voltage: 0V~16.5V (Continuously adjustable)
Peak current: 3A
Mainboard size: 50mm x 30mm x 12mm(LxWxH)
Display module: STN LCD
LCD size: 37.5mm x 17.0mm(LxW)
LCD accuracy: 1%
Conversion efficiency: 95%
Load regulation S(I): <= 0.8%
Voltage regulation S(U): <= 0.8%
The screen data can not be reprogramed.

Calibration method:

Under power off situation, Holdind left button and power the supply,when the  display begin flashing, release left button, with multimeter measuring the output voltage, by press the left and right button ,adjust the multimeter measuring voltage near 5V, such as 5.00V ,4.98V or 5.02V is ok too,at this situation,please ignore the displaying on this item. After adjustment,please power off it and then power to it again, then the  calibration is completed. Errors can be calibrated in 0.04V, if the error is greater, you can try to calibrate it again.
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