DC-DC converter
A dc-dc regulator/converter or another name known as buck regulator, provides stable regulated output voltage to supply electronic circuits. LM2576 circuits perform same function as the commonly known voltage regulator LM7805 from National Semiconductor. The 7805 voltage regulator dissipates a lot heat. The higher input voltage, the more heat is generated. The extra input energy is converted to heat, keeping the output voltage regulated at 5V.
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