XL4015 4V-38V DC-DC Adjustable Buck Step Down 5A (ARD700)

DC-DC Buck Converter Module (Non-Isolated, 5A Adjustable)

This high-efficiency step-down (buck) converter module is designed to convert higher DC voltages to lower, adjustable output voltages. Ideal for DIY electronics, power supplies, LED drivers, and battery-powered projects.

Key Features

• Wide Input Voltage: 4V – 38V DC (do not exceed 38V)
• Adjustable Output Voltage: 1.25V – 36V DC (continuously adjustable)
• High Output Current: Up to 5A (recommended ≤ 4.5A for stable operation)
• High Efficiency: Up to 96% (depends on input/output conditions)
• Output Power:
  • Recommended ≤ 75W
  • Add a heatsink when exceeding 50W
• Switching Frequency: 180KHz

Protection Features

• Short circuit protection (current limit ~8A)
• Over-temperature protection (automatic shutdown)
• ⚠️ No reverse polarity protection (add external diode if needed)

Performance

• Load Regulation: ≤ 0.8%
• Voltage Regulation: ≤ 0.8%
• Operating Temperature: -40°C to +85°C

Physical Specifications

• Size: 54mm (L) × 23mm (W) × 18mm (H)
• Mounting: 2 × 3mm screw holes
• Wiring: Solder pads
  • V-IN: Input
  • V-OUT: Output
• Power Indicator: Yes