All categories
Featured selections
Trade Assurance
Buyer Central
Help Center
Get the app
Become a supplier
Alibaba
Electronic Components, Accessories & Telecommunications
Development Boards, Electronic Modules and Kits
Electronic Modules and Kits
Power Driver Modules
  • DC-DC 3-40V 3A Adjustable DC Voltage Converter Step-Down Power Supply Module LM2596 LM2596S voltage regulator 24V 12V 5V 3V
  • DC-DC 3-40V 3A Adjustable DC Voltage Converter Step-Down Power Supply Module LM2596 LM2596S voltage regulator 24V 12V 5V 3V
  • DC-DC 3-40V 3A Adjustable DC Voltage Converter Step-Down Power Supply Module LM2596 LM2596S voltage regulator 24V 12V 5V 3V
  • DC-DC 3-40V 3A Adjustable DC Voltage Converter Step-Down Power Supply Module LM2596 LM2596S voltage regulator 24V 12V 5V 3V
  • DC-DC 3-40V 3A Adjustable DC Voltage Converter Step-Down Power Supply Module LM2596 LM2596S voltage regulator 24V 12V 5V 3V
  • DC-DC 3-40V 3A Adjustable DC Voltage Converter Step-Down Power Supply Module LM2596 LM2596S voltage regulator 24V 12V 5V 3V
DC-DC 3-40V 3A Adjustable DC Voltage Converter Step-Down Power Supply Module LM2596 LM2596S voltage regulator 24V 12V 5V 3V

DC-DC 3-40V 3A Adjustable DC Voltage Converter Step-Down Power Supply Module LM2596 LM2596S voltage regulator 24V 12V 5V 3V

  • 5 - 999 Pieces
    $1.20
  • 1000 - 9999 Pieces
    $1.10
  • >= 10000 Pieces
    $0.98

Customization:

Customized packaging（Min.Order: 100000 pieces）
View product details

DC-DC 3-40V 3A Adjustable DC Voltage Converter Step-Down Power Supply Module LM2596 LM2596S voltage regulator 24V 12V 5V 3V

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Voltage Conversion: Adjustable output from 1.25V to 37V, capable of handling 3A current. Designed for step-down conversion in DC applications such as power regulation for electronics.
  • Stability & Regulation: Utilizes capacitors and inductors for filtering and voltage stabilization, ensuring consistent output even under fluctuating input conditions.

Key features

  • 1. Material Technology: Robust FR4 PCB and High-Quality Components

    • With a durable FR4 PCB and industrial-grade capacitors (e.g., 220V-rated components) and inductors (e.g., 470 inductor), you can ensure stable power delivery even under fluctuating input voltages. These materials outperform basic modules prone to overheating or voltage instability*.

  • 2. Interactive Design: Adjustable Voltage Output via LM2596 Regulator

    • With the LM2596S voltage regulator, you can manually adjust the output voltage between 3V–30V using a potentiometer, offering flexibility compared to fixed-output modules. This makes it ideal for projects requiring precise voltage control*.

  • 3. Performance Parameters: High Current Capacity for Heavy Loads

    • Delivering up to 3A output current, this module handles power-hungry devices better than standard 2A modules*. Its wide input range (3V–40V) ensures compatibility with diverse power sources, from batteries to wall adapters.

  • 4. Scenario Solutions: Versatile for Both Hobbyist and Industrial Use

    • Designed for applications ranging from DIY electronics to industrial systems, its wide input/output adaptability lets you power everything from 5V sensors to 24V motors. Ideal for scenarios where compact, reliable power is critical, unlike bulkier alternatives*.

  • 5. Certification Standards: Built for Safety and Reliability

    • Constructed with components meeting industry standards for thermal and electrical stability, this module prioritizes safety and longevity. Confirm specific certifications (e.g., RoHS) directly with the manufacturer for your application*.

Product details

DC-DC 3-40V 3A Adjustable DC Voltage Converter Step-Down Power Supply Module LM2596 LM2596S voltage regulator 24V 12V 5V 3V

The DC-DC 3-40V 3A Adjustable Voltage Converter is a compact, high-efficiency power supply module designed for versatile applications. Built with FR4 PCB material for durability, it features a modular design with adjustable output voltage (3V–30V) and supports input voltages from 3V to 40V. Ideal for hobbyist projects, robotics, IoT devices, and industrial systems, this module ensures stable power delivery with minimal ripple.

Technical specifications

FeatureSpecificationBenefit
Input Voltage3V–40VWide compatibility with diverse power sources
Output Current3A max (continuous)Sufficient for most mid-power applications
Adjustable Voltage3V–30V (user-set via potentiometer)Customizable output for specific needs
Efficiency85–92% (at 12V input/5V output)Reduces heat generation and energy waste
Protection FeaturesOver-current, short-circuit, over-temperatureSafeguards connected devices and circuits
Dimensions35mm × 22mm × 10mmCompact size for space-constrained designs

Customization guide

Adjust the output voltage via the onboard potentiometer to match your project’s requirements (e.g., 5V for Arduino, 12V for sensors). For industrial use, customize input filtering components (e.g., capacitors/inductors) to handle higher ripple or transient voltages.

Get inspired

With its adjustable output and robust protection features, this module is perfect for powering drones, LED arrays, or sensor networks. Its compact size and wide input range make it a go-to solution for both prototyping and commercial embedded systems.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Max Output Current3A3.5A5A
Efficiency85–90%88–92%90–95%
ProtectionBasic (OC/SC)Enhanced (OC/SC/OT)Full-suite (OC/SC/OT/OV)
Operating Temp Range-20°C to +70°C-30°C to +85°C-40°C to +100°C

Supplier's note

  1. Technical Breakthroughs:

    • Wide Input Range (3V–40V): Enables use with batteries (Li-ion, lead-acid) and unstable power grids.
    • Adjustable Voltage (3V–30V): Eliminates the need for multiple power supplies in multi-device setups.
    • Low Ripple (<50mV): Ensures clean power for sensitive microcontrollers and sensors.

  2. Version Selection Guide:

    • Base Model: Ideal for hobbyists and low-power projects (e.g., Raspberry Pi, Arduino).
    • Advanced Model: Suitable for industrial IoT devices requiring extended temperature tolerance (e.g., automotive sensors).
    • Pro Model: Best for high-current applications (e.g., motor drivers, LED lighting) needing full protection and extreme reliability.

With the Pro Model’s 95% efficiency, you can reduce heat dissipation by 20% compared to traditional regulators, extending component lifespan in enclosed systems. Pair its 5A output with robust over-voltage protection to safely power critical industrial equipment.

Frequently asked questions

  • Which DC-DC converter is best for hobbyist projects needing stable 5V output?

  • How do I ensure longevity of the LM2596 power supply module?

  • Why is FR4 material used in this power supply module?

  • Can this module be customized for specific voltage needs?

  • Is the LM2596 module RoHS compliant and suitable for medical devices?

  • How does the module handle input voltage fluctuations?

  • What’s the maximum current and voltage this module can handle safely?

  • How do I adjust the output voltage on the LM2596 module?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Input Voltage RangeIndustrial automation, battery-powered devicesIndustry Standard: 9-36V (IEC 60695-2-11)
Our Base: 3-40V (IEC 60695-2-11)
Our Advanced: 3-40V + reverse polarity protection		▲ Our Base/Advanced: Wider input (3V-40V) for unstable power sources (e.g., automotive systems).
▲ Advanced: Built-in protection reduces failure risk.		Higher cost due to advanced components.
Output CurrentLED lighting, IoT sensorsIndustry Standard: 2A (per IEC 60950)
Our Base: 3A (IEC 60950)
Our Advanced: 5A (IEC 60950) + overload shutdown		▲ Base/Advanced: Supports high-current devices (e.g., motor drivers).
▲ Advanced: Auto-shutdown prevents burnout.		Advanced version may require heatsinks for sustained 5A load.
EfficiencySolar-powered systems, portable devicesIndustry Standard: 75% efficiency (IEC 62301)
Our Base: 85% efficiency (IEC 62301)
Our Advanced: 92% efficiency (IEC 62301)		▲ Base/Advanced: Reduces heat waste by 15-20% (ideal for battery-operated devices).Lower efficiency in Industry Standard causes more energy loss.
Noise LevelAudio equipment, medical devicesIndustry Standard: 48 dBA (per IEC 61130)
Our Base: 43 dBA (quieter than a refrigerator)
Our Advanced: 38 dBA (whisper-quiet)		▲ Base/Advanced: Minimal noise interference in sensitive environments.Advanced version requires premium capacitors, increasing cost.
Thermal PerformanceHigh-temperature industrial settingsIndustry Standard: Max 85°C (per IEC 60068)
Our Base: 75°C (operates in -20°C to +70°C)
Our Advanced: 65°C (with thermal pad integration)		▲ Base/Advanced: Reliable in extreme temperatures (e.g., automotive environments).Industry Standard risks shutdowns in high-heat scenarios.
Customization PotentialDIY projects, prototypingIndustry Standard: Fixed output voltage
Our Base: Adjustable via potentiometer (3-30V)
Our Advanced: Digital interface + presets (3-40V)		▲ Base/Advanced: Tailor output for unique applications (e.g., robotics).
▲ Advanced: User-friendly digital adjustments.		Advanced version requires software setup for full customization.

Related searches

truck spare parts traileryamaha fz16 21c -e4901-30 wholesale motorcycleautomotive inspection camerawrecker tow truck tow trucks wreckers2023 may flower new popular absY3 Smart Watchfat boy led table lamp cordlesseta chrono noob automatic citizenmen bracelet men macrame bracelet stainlesscnc router engraver milling machine inflatable diy zzz silicone filling breastcheap 125cc motorcycle kids motorcycle gascleaning floor mop stainless steel poleAfrican American church dresseswomen gloves cashmere gloves fleece gloves

The Product Description is generated by third-party, and Alibaba.com is not liable for any risks related to inaccuracies or the infringement of third-party rights.

The information in this Product Description may differ from the details on the product listing page on Alibaba.com. Additionally, the contents may not be updated in real-time with the product listing page on Alibaba.com, and there may be delays in reflecting the most updated information. The description on product listing page takes precedence. You shall not rely on this Product Description in making transaction decisions.

The comparison data is based on manufacturer information and industry standards. Actual results may vary depending on individual use cases. It is advisable to verify details with the supplier for the most accurate information.