Step-down switching DC-DC converter 300 W 20 A with adjustable output voltage

A powerful and efficient converter for stepping down DC voltage with high efficiency (up to 95%). Supports high currents up to 20 A and power up to 300 W. Ideal for electronics projects, charging devices and power systems.

Product code	01663
Category	DC-DC Converters
In stock	10+ in stock

273 TL

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§ 01 — Specifications

Input voltage	6–40 V DC
Output voltage	1.2–36 V DC (adjustable)
Maximum output current	20 A
Maximum power	300 W
Switching frequency	180 kHz
Efficiency	up to 95%
Protection	short circuit, overheating
Operating temperature	up to 85°C
Cooling	passive (heatsink); active cooling recommended at currents above 10 A

§ 02 — Description

This DC-DC converter is designed to step down an input voltage in the range of 6–40 V to an adjustable output voltage of 1.2–36 V. Thanks to switch-mode power supply (SMPS) technology, it delivers high efficiency of up to 95%, minimal heating and stable output parameters. It is equipped with short-circuit and overheating protection, making it a reliable solution for high-power loads. The converter is suitable for both professional and hobbyist use. Features High efficiency of up to 95% thanks to switch-mode conversion. Smooth adjustment of the output voltage. Protection against short circuit and overheating. Compact dimensions and efficient heat dissipation. Digital parameter display (optional, depending on the model). Low level of electromagnetic interference. Applications Charging devices for batteries (Li-ion, Pb, etc.). Powering high-power LED strips and lighting systems. Laboratory and DIY power supplies. Automotive electronics (amplifiers, lighting, power systems). Solar energy systems and charge controllers. Industrial equipment and robotics. Power sources for amateur radio projects. Additional information For prolonged operation at high currents (>10 A), additional cooling (fan) is required. Use with a high-quality input voltage source is recommended. Dimensions and weight depend on the specific model and the presence of a heatsink.