Description:
This DC-DC switching buck converter is capable of driving a 5A load with excellent line and load regulation. The main switching component is XL4015, an adjustable output version switching regulator. It is an efficient switching regulator and the output efficiency is significantly higher in comparison with the popular boost regulators. At higher input voltages, the regulator operates at a switching frequency of 180kHz, thus allowing the overall board size to be smaller and space-saving. It is a high-power switching module with a toroidal ring inductor.
Pin Description of XL4015 Power module Board
| Pin Name | Description |
| IN+ | Positive input (Unregulated or Regulated) |
| IN- | Negative input (Ground) |
| OUT+ | Positive Output (Regulated) |
| OUT- | Negative Output (Ground) |
The pinout can be easily seen in the Board Legend.
Features and Specifications
- Input voltage: 4 – 38V
- Output voltage: 1.25 – 36V (adjustable)
- Output current: Maximum output current 5A
- Note: The higher the voltage, the load current increases. Try to use it within 4.5A.
- Output current: 0-5A, it is recommended to use within 4.5A.
- Output power: It is recommended to use within 75W, please add a heat sink if it exceeds 50W.
- Working temperature: -40~+85 degrees
- Working frequency: 180KHz
- Conversion efficiency: up to 96% (efficiency is related to input, output voltage, current, and pressure difference)
- Load regulation rate: S ( I ) ≤ 0.8%
- Voltage adjustment rate: S ( u ) ≤ 0.8%
- Power indicator: Yes
- Short circuit protection: Yes (limited current 8A)
- Over-temperature protection: Yes (automatically shut down the output after over-temperature)
- Input reverse connection protection: None, (if necessary, please insert a high current diode in series in the input)
- Installation: 2 Ke 3mm screws
- Connection method: welding, V-IN is input, V-OUT is output
- Dimension: 54*23*18 mm (L*W*H)
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