XL1509 Step-Down Module Output Voltage Can Be Adjusted From 5V~40V to 1.2~35V DC-DC Buck Converter Output Voltage Adjustable
 
The XL1509 Step-Down Buck Converter Module is a highly efficient and compact DC-DC voltage regulator, capable of stepping down voltages from 5V to 40V down to a stable, adjustable output of 1.2V to 35V. It is perfect for applications that require high efficiency, space-saving design, and low thermal output, such as DIY mobile power supplies, RC models, and compact electronics projects.
 
Key Features:
Adjustable Output: Supports a wide range of output voltages for diverse applications
Ultra-Compact Design: Only 22mm × 17mm – fits into tight spaces
High Efficiency: Up to 96% energy conversion
Wide Temperature Tolerance: Operates reliably from -40°C to +85°C
Stable Power Delivery: Smooth performance for delicate electronics
Durable & Safe: Built for long service life with quality components
 
Specifications:
Input Voltage: 5V – 40V DC
Output Voltage: 1.2V – 35V DC (adjustable)
Output Current: Max 2A
Conversion Efficiency: Up to 96%
Switching Frequency: 150kHz
Operating Temperature: -40°C to +85°C
Dimensions: 22mm (L) × 17mm (W) × 7mm (H)
Continuous Load Capacity: ~5W
Short-Term Load Capacity: ~7W
 
Applications:
DIY Mobile Power Supplies: Custom battery-powered projects
Communication Equipment: Powers radios, modules, and other field gear
Aviation Models: Perfect for drones, RC planes, and quadcopters due to size and weight advantages
Embedded Systems: Supplies regulated power to microcontrollers and sensors
LED Lighting: Voltage regulation for small LED modules or backlighting
Portable Test Rigs: Power regulation for on-the-go development and testing setups