LM2596S 3-40V to 1.5-35V 4A DC to DC Adjustable Step-Down Buck Module
Price in Sri Lanka

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