Multi-purpose dual power supply (5.0v and 3.3v) regulator board 1.5v to 3.3v converter 3.3v and 5v outputs
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Dc to dc converter 1.5v to 3v circuit diagramAms1117 circuit regulator supply power dual 3v voltage ams diagram board multi 0v embedded lab note ldo electronic circuits 1a Make this 3.3v, 5v, 9v smps circuitLevel circuit shifter 5v 3v shifting spi voltage dissipated minimize power transistor down stack.
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1.5v to 3.3v converter
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Multi-purpose dual power supply (5.0V and 3.3V) regulator board - 4