LM2596 DC DC Step Down Buck Converter Voltage Regulator LED Display Voltmeter

 450

In stock

  • Module model: Buck converter LM2596 + voltmeter
  • Cut size: 66mm x 35mm
  • Input voltage: DC 4.0 ~ 40 V
  • Output voltage: 1.25 V ~ 37 V (continuously adjustable, the input voltage must be 1 V higher than the output
  • voltage)
  • Output current: 2A (normal and stable), 3A max.
  • Ripple frequency: approximately 150 Khz
  • Ripple peak: around mV
  • Screen color: red
  • Voltage meter error: ± 0. 1 V
  • Measuring range: 4 ~ 40 V (to measure accurately, make sure the input voltage is more than 4 V)
  • IN +: positive entry
  • In-: negative entry
  • Out out +: positive output
  • Outside: Negative output
  • Features
  • An input and output voltage switch
  • Green light: Output voltage measurement
  • Red light: Input voltage measurement
  • With terminal and maintain the cable connection point
Take complete control of your power needs with the LM2596 Adjustable Step-Down Converter. Whether you are building a custom DIY regulated power supply, upgrading automotive electronics, or powering industrial equipment, this high-efficiency module is designed for accuracy and ease of use. Featuring an on-board 3-digit voltmeter, you can monitor both input and output voltages in real-time with a touch of a button.No soldering? No problem! This module includes convenient terminal blocks for instant wiring, while still reserving solder points for permanent installations. With advanced self-calibration features and low power consumption, it’s the professional choice for projects ranging from 24V-to-12V car conversions to sensitive 12V-to-3.3V micro-controller power.

📊 Technical Specifications

Feature Specification
Model LM2596S Adjustable Buck Converter
Input Voltage Range 4V ~ 40V (Voltmeter works above 4V)
Output Voltage Range 1.25V ~ 37V (Adjustable)
Current Output 2A (Continuous), 3A (Maximum)
Conversion Efficiency High Efficiency (Second-generation regulator)
Voltmeter Accuracy ± 0.1V
Oscillation Frequency 150KHz
Operating Temp -45°C to +85°C (Recommended sink for >15W)

 


🔧 Quick Troubleshooting Tip

  • Voltage not changing? If the output stays equal to the input, turn the brass potentiometer counterclockwise for 10+ turns to exit the factory default 20V setting.
  • Heat Dissipation: It is recommended to use an additional heat sink if your power usage exceeds 15W.

 

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