DC buck converters are switching step-down regulators that convert a higher input voltage to a lower, stable output voltage with high efficiency. Unlike linear regulators, they produce minimal heat and are suitable for battery-powered applications where efficiency directly affects runtime.
The range includes adjustable buck modules such as the LM2596 and MP1584, fixed-output variants, high-current modules for motor or LED power, and miniature modules for space-constrained builds. Input voltage ranges and output current ratings vary across the range.
Buck converters are used to power Arduino and ESP32 from higher-voltage sources such as 12V batteries, regulate voltage for LED strips and motor drivers, step down drone and RC pack voltages for onboard electronics, and supply stable voltage rails in multi-component project enclosures.
DC-DC Step Down Buck Converter 3.3V 5V 12V (3A)
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- $5.80
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- $5.80
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DC-DC Step Down Buck Converter 3.2 - 40V to 1.25 - 35V 10W 3A LM2596
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- $6.50
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- $6.50
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DC-DC Step Down Buck Converter 3.3V 5V 12V (5A)
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- $7.60
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- $7.60
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DC-DC Step Down Buck Converter with Display 3.2 - 40V to 1.25 - 35V 10W 3A LM2596
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- $9.80
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- $9.80
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DC-DC Step Up Boost Converter 2.5 - VOUT to 5 - 12V (1A) 5W
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- $4.40
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- $4.40
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DC-DC Step Up Boost Converter 3.5 - 32V to 5 - 35V 10W 3A XL6009
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- $6.40
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- $6.40
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DC-DC Step Down Buck Converter 4 - 38V to 1.25 - 36V 75W 5A XL4015
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- $7.60
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- $7.60
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DC-DC Step Up Boost Converter 2 - 24V to 5 - 28V (2A) MT3608
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- $4.60
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- $4.60
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DC-DC Step Up Boost Converter with Display 3.5 - 32V to 5 - 35V 10W 3A XL6009
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- $9.40
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- $9.40
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DC-DC Step Down Buck Converter 7 - 32V to 0.8 - 28V 300W 12A
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- $10.00
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- $10.00
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DC-DC Constant Current Step Down Buck Converter 4 - 38V to 1.25 - 36V 75W (5A) XL4015
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- $7.20
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- $7.20
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DC-DC Step Down Buck Converter 5 - 60V to 1.25 - 26V 20W 3A LM2576HV
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- $9.00
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- $9.00
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DC-DC Step Up Power Converter 10 - 32V to 12 - 35V 10A 150W
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- $8.00
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- $8.00
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USB Quick Charge QC3.0 QC2.0 DC-DC Step Down Buck Converter
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- $6.40
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- $6.40
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DC-DC Step Down Buck Converter 4 - 38V to 1.25 - 36V (8A) XL4016
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- $8.80
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- $8.80
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DC-DC Step Down Buck Converter 5 - 80V to 5 - 20V XL7015
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- $5.80
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- $5.80
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DC-DC Step Up Boost Converter 3 - 40V to 5 - 45V (5A) XL6019
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- $6.40
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- $6.40
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DC-DC Step Up Boost Converter 10 - 60V to 12 - 80V (10A) 600W
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- $26.00
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- $26.00
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