Consider buying the Optimus LM2596 Buck Converter Module made and fully tested by Tesla Robotics in Sri Lanka using high quality components.

The LM2596S module provides adjustable step-down conversion from a wide input range. With onboard potentiometer control and high efficiency, it’s ideal for powering microcontrollers, sensors, LED drivers, and battery systems. Its compact form and solderable terminals make it a staple in prototyping and field deployments.

Specifications

• Input Voltage:
  • 3 V to 40 V DC (recommended ≥ 4 V for stable regulation)
• Output Voltage:
  • Adjustable 1.5 V to 35 V DC (via multi-turn potentiometer)
• Maximum Output Current:
  • Up to 4 A (recommended ≤ 2.5 A continuous; heat sink required above 2 A)
• Maximum Output Power:
  • ~50 W (with adequate cooling)
• Efficiency:
  • Up to 92% (load and voltage dependent)
• Switching Frequency:
  • ~150 kHz
• Protection Features:
  • Overcurrent limiting
  • Thermal shutdown
• Reverse Polarity Protection:
  • Not included (external diode recommended)

Features

• LM2596S PWM controller with integrated switching transistor
• Multi-turn potentiometer for fine voltage adjustment
• Power LED indicator for quick status check
• Compact, non-isolated buck topology with low ripple
• Ideal for regulated DC supply, battery charging, and embedded systems
• Common conversions:
  • 12 V → 5 V / 3.3 V
  • 24 V → 12 V / 9 V / 5 V
  • 36 V → 24 V / 15 V