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LM2596HV AC/DC to DC Buck Converter Module 3v 3.3V 5V 6V 9V 12V 15V 24V DC 5V-50V Adjustable Step-Down 3A LM2596 Power Supply LM - AliExpress
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switching regulator - Why does the LM2596 have 1.23V reference voltage instead of 1.235V? - Electrical Engineering Stack Exchange
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Lm2596 Multi Channel Switching Power Supply 3.3v/5v/12v/adj Adjustable Voltage Output Power Supply | Fruugo NO
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