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UBEC DC/DC Step-Down (Buck) Converter - 5V @ 3A output : ID 1385 : $9.95 : Adafruit Industries, Unique & fun DIY electronics and kits
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Monolithic, Dual 3A Input/Output Buck with 3V–36V Operating Range Simplifies and Shrinks DC/DC Converters in Automotive, Industrial and Distributed Power Applications | Analog Devices
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DC Buck Converter DC-DC Step Down Voltage 5V-36V to 1.2V-32V Buck Converter Reducer Power Supply Module Supply Module with LED Display USB Output & Mode - Walmart.com
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UBEC DC/DC Step-Down (Buck) Converter - 5V @ 3A output : ID 1385 : $9.95 : Adafruit Industries, Unique & fun DIY electronics and kits
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5V to -5V DC-DC Boost-Buck Inverting switch regulators +/- Voltage Converter Power Supply Module [DD0315NB_5V] - USD $3.60 : canton-electronics.com
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UCTRONICS DC 6V 9V 12V 24V to DC 5V 5A Buck Converter Module, 9-36V Step Down to USB 5V Transformer Dual Output Voltage Regulator Board [2 Pack]
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