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CC-CV XL4016 9A DC To DC Adjustable Buck Converter

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The DC-DC Step-Down 9A XL4016 voltage converter has the function of delivering a constant output voltage lower than the input voltage against variations in the input or load voltage. It supports output currents of up to 9A, input voltage between 8V to 40V and output voltage between 1.25V to 36V. The output voltage is selected by a multiturn potentiometer.

The step-down converter design is based on popular XLSEMI’s XL4016 180KHz Buck DC-DC converter chip.


  • Car , laptop power supply : Run Laptop on DC24V Car battery . (Laptops usually require 17V – 18V DC.)
  • Run Communication equipment on 24V battery
  • Run Low voltage (12V – 18V) DC motors used in Robots on 24V or 36V batteries
  • Step down battery charger : Because of CC and CV adjustments module can be used as battery charger
  • Solar battery charger
  • Pre-supply voltage regulator for Lab Power Supply
  • Constant Current LED Lighting Power Supply

Technical Specifications

  • Material: PCB board and electronic component
  • Input voltage: 5-40V
  • Output voltage: 1.2-35V (continuously adjustable)
  • Output Current: 8A
  • Constant current range:0.2-8A ( adjustable )
  • Maximum Eficiency : 95%
  • Load Regulation : 1%
  • Voltage Regulation: 1%
  • Output Power: Maximum power is about 280W (power tube temperature exceeds 65°C please add cooling fan)
  • Short circuit protection: No (Please installs the fuse or protection circuit at input parts).
  • Input Reverse protection: No (please comply with a reverse protection or connect a diode at input parts.)
  • The temperature of the step up Module should not exceed 80C
  • Size: Approx. 2.55*1.88*0.94inch / 6.5*4.8*2.4cm(Length*width*thickness)

[!] Warnings

  • The maximum rated values should NEVER be continuous from the load or else the module will be damaged.
  • Be sure to install correct circuit protection, such as fuses, to the input of the module to avoid overloading and the potential for fire.
  • If temperature exceeds 65°C please add cooling fan
  • Failure to take these precautions and incorrect use of this module may result in damage, fire, and/or personal injury.
  • Output setpoint voltage must always be lower than applied input voltage.

Documents and Downloads

  • XL4016 8A 180KHz 40V Buck DC to DC Converter Datasheet

Package Includes

  • 1x XL4016 CC-CV DC-DC Buck / Step-Down Converter


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