The XL4005 5A DC-DC Step-Down Buck Converter Module takes a higher DC input voltage and steps it down to a lower DC output voltage that the user sets via an onboard potentiometer, the way a transformer-based supply does. That direct DC-to-DC conversion through the XL4005 switching IC achieves high efficiency by storing energy in an inductor and releasing it at the target voltage, rather than burning off the excess voltage as heat the way a linear regulator does.
The xl4005 dc dc step down buck converter handles input from 5V to 32V – covering single and multi-cell LiPo and Li-Ion battery packs, 12V and 24V power supply outputs, and solar panel arrays. Output current reaches 5A maximum, which covers a wide range of load requirements. The output voltage must always be lower than the input voltage a buck converter can only step down, not step up.
The buck converter module xl4005 PCB suits embedded voltage regulation inside robot chassis, build portable power bank, and bench power supply where variable output voltage is needed. Turning the potentiometer adjusts output – a multimeter on the output terminals confirms the voltage before connecting the load. The xl4005 module suits battery-powered electronics regulation and multi-voltage supply. This xl4005 step down buck converter module available on StemVolt, for working on DC voltage regulation and embedded power conversion.
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Features:
- Adjustable output set via onboard potentiometer screw adjustment
- 5A continuous output powers motors, LED arrays, and high-current embedded
- XL4005 switching IC achieves high efficiency versus equivalent linear regulator
- Compact PCB embeds in chassis and enclosure mounting positions
Technical Specifications:
| Specification | Details |
|---|---|
| Product Type | Buck Converter Module |
| Model | XL4005 |
| Input Voltage | 5–32V DC |
| Maximum Output Current | 0–5A |
| Output Voltage | 0.8–30V DC Adjustable |
| Length | 44mm |
| Width | 22mm |
 Applications:
- XL4005 5A DC-DC Step-Down Buck Converter steps 12V supply down to 5V for Iot Project.
- Step-down buck converter regulates for motor driver inputs in robotics projects.
- Buck converter powers 5V Arduino from 3S 11.1V LiPo battery pack.
- XL4005 converter module steps 12V adapter down to adjustable voltage for LED strip dimming.
- Steps down 12V panel supply to power the ESP32 module in IoT sensor nodes.
Package Include:
- 1 x XL4005 5A DC-DC Step-Down Buck Converter Module














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