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LM2596S Step-Down Constant Current Voltage Driver Module - 3A

Reference RBD-3290

LM2596S DC-DC buck converter with both constant voltage and constant current modes.
Supports wide input range (4.5V–40V) and adjustable output (1.2V–37V).
Provides current regulation (100mA–3A) suitable for LED driving and battery charging.
High efficiency up to 92% with low ripple (~30mV) for stable performance.
Includes over-temperature, over-current, and short-circuit protection.
Ideal for DIY power supplies, motor control, and embedded electronics.

Description
Product Details

Description

The LM2596S Step-Down Constant Current Voltage Driver Module is a high-efficiency DC-DC converter designed to deliver both adjustable voltage and constant current outputs, making it an excellent choice for powering LEDs, charging batteries, or supplying regulated power to embedded devices. With an input voltage range of 4.5V–40V and an adjustable output from 1.2V–37V, it provides flexible control for a variety of power applications. The module’s efficient switching design achieves up to 92% conversion efficiency with minimal heat generation. Featuring dual potentiometers for voltage and current adjustments, it ensures precise control over output characteristics. Built-in protection features such as over-current, over-temperature, and short-circuit safeguards enhance reliability and safety. Compact and easy to mount, the LM2596S is ideal for DIY electronics, motor control circuits, and LED lighting systems requiring stable and efficient power regulation. Featured By RoboticsBD.

Product Images are shown for illustrative purposes only and may differ from the actual product.

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Features:

Dual Mode Operation: Adjustable voltage and constant current regulation in one module.
Wide Input Range: Accepts 4.5V to 40V DC input for broad compatibility.
Adjustable Output: Voltage (1.2V–37V) and current (100mA–3A) fine-tuned via potentiometers.
High Efficiency: Up to 92%, minimizing heat and energy loss.
Low Ripple Output: Provides clean power for sensitive electronics and LEDs.
Comprehensive Protection: Safeguards against over-temperature, over-current, and short circuits.
Sturdy Construction: Includes mounting holes for easy installation and secure operation.
Versatile Applications: Suitable for LED driving, battery charging, and regulated power supplies.

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Applications:

LED Lighting: Supplies constant current to LED arrays for uniform brightness.
Battery Charging: Regulates charge voltage and current for lithium or lead-acid batteries.
DIY Power Supplies: Adjustable source for lab testing or prototyping circuits.
Motor Speed Control: Provides variable voltage output for DC motor control.
Embedded & IoT Devices: Delivers reliable regulated power for low-voltage electronics.

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General Specifications
Model	LM2596S
Module Type	DC-DC Step-Down (Buck) Constant Voltage/Current
Input Voltage Range	4.5V – 40V DC
Output Voltage Range	1.2V – 37V DC (Adjustable)
Output Current Range	100mA – 3A (Adjustable)
Maximum Output Power	15W
Efficiency	Up to 92%
Switching Frequency	150 kHz
Output Ripple	~30mV
Protection Features	Over-Temperature, Over-Current, Short-Circuit
Operating Temperature	-40°C to +85°C
Cooling Method	Natural Convection
Mounting	Screw holes for secure attachment
Module Dimensions	48mm × 23mm × 14mm
Shipment Weight	0.02 kg
Shipment Dimensions	5 × 3 × 2 cm

Please allow 5% measuring deviation due to manual measurement.

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Documentation:

How to Use the LM2596S Step-Down Constant Current Voltage Driver Module - 3A

Power the Module
- Connect VCC to a 4.5V - 40V DC power source
- Connect GND to the ground of the circuit
Adjust Output Voltage & Current
- Output voltage: Use the potentiometer to set the desired voltage
- Constant current mode: Adjust the current limit using the second potentiometer
Monitor Power Output
- Ensure the output voltage and current match the connected components' requirements
Consider Cooling
- At higher loads, ensure proper heat dissipation
Connect to Your Circuit
- Use appropriate wiring and secure mounting for reliable operation

Package Includes:

1 x LM2596S Step-Down Constant Current Voltage Driver Module - 3A

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Product Details

Reference RBD-3290

In stock 41 Items

Specific References

EAN13: 3290

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