XL4015 5A 180KHz 36V Buck DC to DC Converter IC TO263-5

XL4015 5A 180KHz 36V Buck DC to DC Converter IC is a high-efficiency step-down regulator integrated into a TO263-5 package. It provides up to 5A continuous output current with excellent load and line regulation. Designed for driving LEDs, battery chargers, or embedded applications, this IC offers thermal shutdown, current limit, and short-circuit protection features.

Key Features:

• High Efficiency: Up to 96% conversion efficiency for low heat generation.
• High Output Current: Supports up to 5A continuous load current.
• Wide Input Voltage Range: Operates from 8V to 36V input.
• Fixed Switching Frequency: 180KHz ensures compact design and low ripple.
• Thermal Protection: Built-in thermal shutdown prevents overheating.
• Short Circuit and Overcurrent Protection: Safe operation under fault conditions.

Technical Specifications:

• Input Voltage Range: 8V to 36V
• Output Voltage: Adjustable from 1.25V to 32V
• Output Current: Up to 5A
• Switching Frequency: 180KHz
• Efficiency: Up to 96%
• Dropout Voltage: 0.5V typical
• Operating Temperature: -40°C to +125°C

Mechanical Specifications:

• Package Type: TO263-5
• Mounting: Surface Mount
• Lead Count: 5 pins
• Material: Molded plastic with heat sink pad

Dimensions:

• Length: 10.16mm
• Width: 9.91mm
• Height: 4.57mm
• Pin Pitch: 1.27mm

Mounting Options:

• SMD Mount: Suitable for reflow soldering onto PCBs.
• Heat Sink Pad: Can be attached to PCB for heat dissipation.

Schematic Diagram, Connection, Wiring and Pinout:

• Pin 1: VIN – Input voltage supply
• Pin 2: Output – Regulated output voltage
• Pin 3: GND – Ground
• Pin 4: Feedback – Voltage feedback input
• Pin 5: EN – Enable/disable control

Datasheet:

• Download XL4015 Datasheet (PDF)

Applications:

• Battery Chargers: Ideal for Li-ion and lead-acid charging systems.
• LED Drivers: Used in constant current applications for power LEDs.
• Embedded Systems: Power supply for Arduino, ESP32, and microcontroller projects.
• Solar Systems: Step-down regulation in solar panel circuits.
• Automotive Electronics: Used in 12V/24V vehicle power regulation.

Equivalent:

• LM2675: Similar 1A buck converter with fixed frequency.
• MP1584EN: Compact adjustable buck converter.
• LM2596S: Popular step-down converter for DIY applications.
• XL4016: Higher current version from the same family.

Package Includes:

• 1 x XL4015 5A 180KHz 36V Buck DC to DC Converter IC TO263-5