LM2596 बक कन्वर्टर मॉड्यूल पिनआउट

पिन

IN+ / IN− (4.5–40V DC in)
OUT+ / OUT− (1.25–37V out, always below Vin by ≥1.5V)
Multi-turn pot sets the output — screw counter-clockwise to lower it, and SET IT BEFORE wiring the load
~2A continuous (3A peak with a heatsink); efficiency ~80–90%

विनिर्देश

Converter IC	LM2596 (step-down switching regulator)
Input voltage	4.5–40 V
Output voltage	1.23–37 V adjustable (needs ≈ 1.5 V or more of headroom)
Output current	IC rated 3 A; ≈ 2 A continuous on a typical module without extra heatsinking
Switching frequency	150 kHz
Efficiency	≈ 80–90% depending on input/output voltages and load
Quiescent current	≈ 5 mA typ (IC)
Protection	Current limit and thermal shutdown (IC)
Adjustment	Multi-turn trimmer potentiometer

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