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3Pcs AC DC Converter Power Supply Buck Converter Step Down Module 3.3V 600mA|buck converter|power modulestep down module - AliExpress
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MP2315 | High Efficiency 3A, 24V, 500kHz, with AAM (light load mode), Synchronous Step Down Converter in TSOT23-8 | MPS
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10PCS Supper Mini 3A DC DC Converter Step Down Buck Power 3V 5V 16V MP2307 Chip|Inverters & Converters| - AliExpress
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