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The output of the diode is then directly supplied to the input of the XL4015 Module. The output of the transformer is given to the input of the Rectifier Diode as shown in the figure above. For this, we need 230V to 30V step-down transformer. The module can take a power up to 38V as input but we have used 30V input. Industrial equipment buck 12V to 3.3V, 12V to 5V, 24V to 5V, 24V to 12V, 36V 24V to and so on.Ġ-35V Variable Power Supply Circuit Using XL4015:.It can be used for step-down voltage with input higher the output voltage, such as batteries, power transformers.Connection: Welding, V-IN is the input, V-OUT output
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Over-temperature protection: Yes (automatic shut off the output after overtemperature)ġ4. Short circuit protection: Yes (limited current 8A)ġ3. Voltage Regulation: S (U) ≤0.8% (output 12V, when 4A, voltage changes from 18 ~ 32V measured)ġ2. Load regulation: S (the I) ≤0.8% (input 24V, output 12V, load change from 1 ~ 4.5A measured)ġ0. Operating temperature: -40 to +85 degreesĩ. Output voltage: 1.25-36V continuously adjustableĦ. Input voltage: 4-38V (input please try not to exceed 38V)ģ. Module Properties: Non-isolated step-down module (BUCK)Ģ. An internal compensation block is built in to minimize external component count. When short protection function happens, the operation frequency will be reduced from 180KHz to 48KHz. An overcurrent protection function is built inside. The PWM control circuit is able to adjust the duty ratio linearly from 0 to 100%. Requiring a minimum number of external components, the regulator is simple to use and include internal frequency compensation and a fixed-frequency oscillator. The XL4015 is a 180 kHz fixed frequency PWM buck (step-down) DC to DC converter, capable of driving a 5 Ampere load with high efficiency, low ripple, and excellent line and load regulation. XL4015 DC-DC Adjustable Step-Down Power Module: 5A XL4015 DC-DC Adjustable Step-Down Power Module.The best part about is that there is no need for PCB designing neither you need any electronic components as it already comes with a module. But XL4015 output is very accurate and the output is stable. We can also design power supply using LM317T adjustable power supply IC but the output sometimes gets fluctuates and isn’t stable. The Variable output voltage is 1.25 Volt to 35 Volt and the Current ranges from 0-5 Ampere. In this post we will design a Variable Power Supply Using XL4015 DC-DC Buck Converter Module. 4 0-35V Variable Power Supply Circuit Using XL4015:.3 XL4015 DC-DC Adjustable Step-Down Power Module:.1 DIY Variable Power Supply Using XL4015:.