LM2596S DC-DC Buck Converter Power Supply

LM2596S DC-DC Buck Converter Power Supply is essential for electronic projects needing efficient voltage regulation. This compact and efficient step-down converter module, also known as a buck converter, reduces a higher input voltage to a lower output voltage with maximum efficiency. It features adjustable output settings, impressive efficiency, and can handle up to 3A load, ensuring optimal performance in varied applications, from DIY projects to advanced electronic designs. The LM2596 buck converter comes with a robust lm2596 module suitable for different projects, providing an excellent example of a dc dc buck regulator. As a buck and boost converter, it can convert voltages effectively, and the lm2596 datasheet offers detailed insights into its operation.

---

Key Features - Buck Converter

• Input Voltage: 4.5-40V
• The dc voltage buck converter has an Output Voltage: Adjustable 1.25-37V
• Output Current: 2A Rated, 3A Max with Heat Sink
• Switching Frequency: 150KHz
• The efficiency of the buck and boost regulator can reach up to 92%
• The LM2596 5V model incorporates integrated thermal shutdown, current limit protection, and short circuit protection for enhanced safety

---

Applications

The LM2596S buck converter is ideal for integrating with microcontroller boards like Freeduino UNO, providing a reliable power supply for sensors and other modules. This buck circuit is well-suited for battery-powered projects requiring voltage regulation, solar power management, and custom voltage regulation for various DIY electronics. Its role in a buck and boost converter configuration enhances its use in industrial settings. With a robust operating temperature range of -40 to +85°C, the buck converter circuit ensures efficient performance. Whether for solar-powered devices or battery management, this converter's efficiency significantly benefits any low-energy project.

---

Technical Specifications

Switching Frequency	150KHz
Input Voltage Range	The buck buck boost models accept a range of 4.5-40V
Output Voltage Range	1.25-37V (adjustable)
Maximum Output Current	The lm2596, in conjunction with suitable heat sink, can achieve 3A
Operating Temperature	Industrial grade (-40 to +85 )
Conversion Efficiency	92% (highest)
Load Regulation	± 0.5%
Voltage Regulation	± 0.5%
Output Ripple Frequency	150 kHz
Dynamic Response Speed	5% 200uS

---

How to Use

Connect the LM2596S converter to a clean DC power source within the 4.5-40V range. As a dc dc buck converter or as a buck boost and buck boost converter, it offers flexible application possibilities. Connect the load to the output terminals, ensuring correct polarity. Adjust the output voltage using the onboard potentiometer to achieve the desired voltage level between 1.25V to 37V. Proper setup according to the lm2596 adj configuration can optimize performance. For outputs exceeding 2.5A, install a heat sink for optimal thermal management to ensure stable and safe operation, particularly in demanding electronic setups. Monitor the module for excessive heating, which may indicate inefficiencies or overloads.

---

Package Includes

• 1 x LM2596S DC-DC Buck Converter Power Supply

---

Additional Resources

Download Datasheet for more insights on the lm2596 buck converter.
Learn more about Buck Converter including buck inverter concepts.
Explore our Buck Boost Converter Collection for other dc buck converter modules.