The XL4015 is a versatile and powerful power regulation module, designed to meet a wide range of applications with its three main functions: as a step-down converter with overcurrent protection, as a battery charger for various battery types, and as a constant current driver for LED lighting. With the ability to deliver up to 5A of current, high efficiency, and low ripple voltage, this module is an ideal solution for demanding applications.
Topology: 180 kHz fixed-frequency PWM buck converter, internal MOSFET
Input Voltage: 8 V to 36 V (typical); some sources list 4–38 V
Output Voltage:1.25 V to 32 V (via feedback network) or up to 36 V per variant Output Current: up to 5 A peak (4–4.5 A continuous recommended)
Efficiency: up to ~96% (e.g., 87% at 5 A, 12 V→5 V; 93% at 24 V→12 V)
Minimum Dropout: ~0.3 V
Duty Cycle Range: 0–100%
Over-current limit (~7–8 A surge)
Thermal shutdown
Short-circuit protection (foldback from 180 kHz to ~48 kHz)
Ambient Temperature Range: –40 °C to +85 °C
Voltage Range: 0.8–30 V or 1.2–34 V (module variation dependent)·
Input Range: ~4–32 V to ~4–38 V (must exceed output by ~1.5–2 V)
Continuous Current: 4–5 A (peak 5 A); heatsink needed above ~2–3 A
Power Handling: Up to 75 W; heatsink necessary beyond ≈50 W·
Dimensions (typical): ~50 × 26 × 12 mm, ~18 g
Indicators: Shows CC/CV mode and power flow; some modules include digital voltmeter/ammeters