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    AN1803

    Abstract: APP1803 MAX1683 MAX6138 1803
    Contextual Info: Maxim > App Notes > Power-supply circuits Keywords: gate bias, shunt reference, voltage reference, charge pump, voltage doubler, -48V rail, telecom Dec 05, 2002 APPLICATION NOTE 1803 Simple circuit provides +5V gate bias from -48V input Abstract: In this design idea a small circuit with six components derives 5V gate bias from the -48V rail widely used in telecom


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