LM2596 Buck Converter Module Specifications

General

• IC: LM2596
• Type: Step-down (Buck) DC-DC voltage regulator
• Function: Converts higher DC voltage to a lower, regulated DC voltage
• Module Features: Adjustable output voltage, high efficiency, over-current protection

Electrical

• Input Voltage: 4.5 V – 40 V DC
• Output Voltage: Adjustable 1.25 V – 37 V DC
• Output Current: Up to 2 A (depends on module and cooling)
• Efficiency: Up to 92%
• Ripple & Noise: ≤ 50 mV

Performance

• Switching Frequency: 150 kHz
• Load Regulation: ±0.5%
• Line Regulation: ±0.2%
• Operating Temperature: −40°C to +85°C

Physical

• Module Dimensions: ~43 mm × 21 mm × 14 mm (varies by manufacturer)
• Weight: ~10 g

Features

• Compact size for DIY and embedded projects
• Onboard potentiometer for output voltage adjustment
• Short-circuit and thermal protection (depends on module design)
• High efficiency over wide load range

Applications

• Power supply for Arduino, Raspberry Pi, and other microcontrollers
• Battery-powered projects requiring regulated voltage
• LED drivers and small electronic circuits
• DIY electronics and prototyping