When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
LM2596 DC to DC Voltage Regulator Buck Converter Power Supply Step-Down Module - emtan-99 LM2596 DC-DC Voltage Regulator Buck Converter Power Supply Step-Down Module Official emtan-99 Smart Gear & Accessories ⚡ High-Efficiency Power Step-Down: LM2596 Adjustable DC-DC Buck Converter Module! Key Features 3.2V-40V IN Wide DC Input Range 1.25V-35V OUT Adjustable Output 3A Max High Current Output Up to 92% Conversion Efficiency Available Quantity Packs ⚡ 1x Single Pack
Ideal for single DIY projects, quick repairs, and prototype testing.
📦 10x Bulk Pack
Economy multi-pack perfect for electronics hobbyists, workshops, and multiple builds.
Product Specifications Module Type Non-Isolated Step-Down (Buck) Voltage Regulator Module Core IC LM2596 / LM2596S DC-DC Converter Input Voltage 3.2V to 40V DC (Input must be at least 1.5V higher than output) Output Voltage 1.25V to 35V DC (Continuously Adjustable via Potentiometer) Output Current 2A Rated (3A Maximum peak with additional heatsink) Conversion Efficiency Up to 92% (Higher output voltage yields higher efficiency) Switching Frequency 150 kHz Output Ripple < 30 mV Operating Temperature -40°C to +85°C (Industrial Grade) Product Overview
Power your electronic projects with reliability using the emtan-99 LM2596 DC-DC Adjustable Step-Down Buck Converter Module. Engineered with high-frequency switching technology, this compact step-down board efficiently drops higher input voltages (3.2V–40V) down to lower, stable output voltages (1.25V–35V). Built with a high-precision multi-turn potentiometer, it allows precise voltage calibration for microcontrollers, LED drivers, battery chargers, solar power setups, and automotive DIY applications.
Product Features High Efficiency Conversion Delivers up to 92% power conversion efficiency, reducing energy loss and keeping thermal output minimal under load. Precision Voltage Control Equipped with a durable multi-turn trimmer potentiometer for exact output voltage tuning to match your specific electronic component requirements. Built-In Circuit Protection Features integrated thermal shutdown protection and current limiting to safeguard your connected devices against over-current conditions. Compact & Easy to Wire Features clearly labeled solder pads (IN+, IN-, OUT+, OUT-) on a high-grade PCB for effortless integration into custom enclosures and project boxes. Return Policy
30-Day Hassle-Free Returns: At emtan-99, customer satisfaction is our top priority. If your LM2596 Buck Converter module does not meet your expectations or arrives damaged, you are eligible to return the item within 30 days of delivery for a full refund or exchange. Items must be returned in original condition.
Customer Support
24/7 Dedicated Support Desk: The emtan-99 customer care team is always here to assist you. If you have questions regarding wiring, pinouts, bulk quantities, or order details, please feel free to message us anytime.
Contact us through platform messaging — We answer all customer inquiries within 24 hours!
© 2026 emtan-99 | Premium Smart Accessories & Everyday Tech Solutions | All Rights Reserved
