Transcription of AN-1813-TerminalRegulator is Adjustable
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ApplicationReportSNOA402B October1975 ,allofthe3-terminalpowerICvoltageregulat orshavea ,theireaseofuse,lowcost, ,withtheintroductionoftheLM117,it is possibletousea to37V , ,anadjustableregulatorismoreversatile, V 30V V LogicRegulatorWithElectronicShutdown*..6 7 AdjustingMultipleOn-CardRegulatorsWithSi ngleControl*.. October1975 RevisedMay2013AN-1813-TerminalRegulatori s AdjustableSubmitDocumentationFeedbackCop yright 1975 2013, is packagedin standardTO-3transistorpackagessothatheat sinkingis ,overloadprotectioncircuitryis improved, 3-terminalregulatorcanbeeasilyunderstood byreferringtoFigure1, ,connectedasa unitygainbuffer,drivesa deliveredtotheregulatoroutput(ratherthan ground)eliminatingtheneedfora ,allthecircuitryis designedtooperateoverthe2 V to40V A is ,theoutputoftheregulatoris theadjustmentterminalis grounded,thedeviceactsasa ,a dividerR1andR2is connectedfromtheoutputtogroundasis shownin Figure2.
Operating the LM117 www.ti.com Bypassing the adjustment terminal to ground improves ripple rejection. This bypass capacitor prevents ripple from being amplified as the output voltage is increased.
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