DC-DC Step Down 5A XL4015 USB 4.8-38Vdc to 1.25-36Vdc DC103
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Prices updated: 13 Oct 2026
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About this product
An adjustable step-down (buck) DC-DC converter built around the XL4015 IC and rated at 5A, with a USB output port. It accepts a 4.8 to 38Vdc input and provides an adjustable 1.25 to 36Vdc output, suitable for powering 5V USB devices or reducing higher battery voltages. Set the output before connecting the load and keep the current within the rated 5A.
Specifications
- Input voltage
- 4.8~38Vdc
- Output voltage
- 1.25~36Vdc
- Output current
- 5A
- IC
- XL4015
- USB output
- Yes
- Converter type
- Step-down (buck)
Frequently asked questions
Can I charge a phone from the USB port?
The USB port can power 5V USB devices. First set the main output to 5V and confirm it with a multimeter, since the USB port follows the module's output setting.
What input voltage must I respect?
The input must be within 4.8 to 38Vdc, and it must be higher than the output you set. The buck converter cannot step the voltage up.
