LM2596 Buck Converter Module Step Down Adjustable DC-DC Voltage Regulator With or Without Display & 3VR Variants

Specifications  

• LM2596 buck converter
• Model: LM2596 Series Buck Converter  
• Input Voltage: 4V – 40V DC  
• Output Voltage: 1.25V – 37V DC (adjustable)  
• Output Current: 3A max (2A recommended for continuous)  
• Efficiency: Up to 92%  
• Switching Frequency: 150kHz  
• Output Ripple: <50mV  
• Dimensions: Without Display: 43x20x15mm; With Display: 61x34x14mm; 3VR: 48x23x14mm  
• Weight: 20-30g (variant-dependent)  
• Operating Temperature: -40°C to +85°C  
• Quiescent Current: 100μA  
• Protection: Overload, overheat, short-circuit  
• Package: Single module with terminals (variants available)

Features  

• High-efficiency LM2596 IC for stable step-down conversion (up to 92% efficiency)  
• Wide input: 4-40V DC; Adjustable output: 1.25-37V DC (max 3A continuous)  
• Variants: Without display (basic adjustable), with LED display (real-time voltage readout), 3VR (triple output for multi-voltage needs)  
• Built-in protection: Over-current, over-heat, short-circuit safeguards  
• Easy adjustment via potentiometer (screwdriver needed for precision)  
• Compact & durable: Aluminum heatsink for heat dissipation  
• Screw terminals for secure wiring (input/output positive/negative)  
• Low ripple output (<50mV) for sensitive electronics  
• Compatible with Arduino, Raspberry Pi, solar panels, batteries  
• RoHS compliant; CE certified for safety
• The LM2596 Step Down Buck Converter Module is your go-to solution for efficient DC voltage regulation in any electronics project! This versatile series offers three variants to suit your needs: the basic model without display for simple adjustments, the advanced version with LED display for real-time output monitoring, and the 3VR model with triple adjustable outputs for multi-voltage setups.
• Powered by the reliable LM2596 IC, it steps down input voltages from 4-40V to a stable 1.25-37V output at up to 3A – perfect for powering Arduino boards, ESP32 modules, LED strips, motors, or charging batteries. The built-in potentiometer allows precise tuning, while the high-Q inductor and capacitors ensure minimal ripple for clean power delivery.
• Choose the without-display variant for compact, cost-effective builds; the display model shows exact voltage on a dual-digit LED for easy troubleshooting; or the 3VR for simultaneous 3.3V/5V/12V outputs in one module. All include screw terminals for hassle-free connections and an aluminum heatsink to handle heat during high loads.
• Whether you’re prototyping solar chargers, building RC drones, or stabilizing power in IoT devices, the LM2596 delivers professional performance at an affordable price. Backed by overheat and short-circuit protection, it’s safe and reliable. Order your preferred variant from Dunia BD today and power up your innovations!

What is the price of LM2596 DC-DC Step Down Buck Converter in Bangladesh?

The latest price of LM2596 DC-DC Step Down Buck Converter in Bangladesh is Price: ৳93.50 taka for 1 Piece LM2596 Without Display and Price: ৳207.50 taka for 1 Piece LM2596 With Display  . You can buy this productat better and cheaper price from our website and also you can visit our warehouse between work hours 10am to 8pm.

Buy LM2596 DC-DC Step Down Buck Converter in Bangladesh from online at Dunia.com.bd.

In Bangladesh, you can get original LM2596 DC-DC Step Down Buck Converter From Dunia.com.bd . We have few collection of latest DC To DC Converter to purchase. Order Electronic Modules Online at our website Or Visit our warehouse to get your product at lowest price.

FAQ 

1. What is the maximum input/output voltage for LM2596? 
   Input: 4-40V DC; Output: Adjustable 1.25-37V DC (do not exceed input by more than 3V).
2. Does the without-display model need a multimeter for adjustment? 
   Yes, use a multimeter to fine-tune the potentiometer for accurate output.
3. How accurate is the voltage display on the with-display variant?
   ±0.1V accuracy; it shows real-time output voltage for precise monitoring.
4. What is the 3VR variant used for?
   It provides three independent adjustable outputs (e.g., 3.3V, 5V, 12V) from one input – great for multi-rail projects.
5. Can it handle 3A continuously?
   Recommended max 2A for long-term use; 3A for short bursts with good ventilation.
6. Is it suitable for solar panel applications?
   Yes, ideal for MPPT-like step-down in solar charging circuits (4-40V input).
7. Does it have reverse polarity protection?
   No built-in; use a diode on input if needed to prevent damage.
8. What’s the efficiency compared to linear regulators?
   Up to 92% – much better than linear (e.g., 7805 at 40%), saving power and heat.
9. Can I use it with Arduino?
   Absolutely – step down 12V to 5V/3.3V safely without damaging the board.
10. Warranty and what’s included?
    No warranty because all are came from china and we are seller