所需E币: 3
时间: 2020-1-15 12:00
大小: 82.5KB
手机中各部分电路所需LDO如何选择SelectingLDOLinearRegulatorsforCellphoneDesigns|||Abstract:Low-dropoutLDOlinearregulatorsareusedtopower||manysectionsofatypicalcellularhandset.However,these||baseband,RF,andaudiosectionshavedifferentrequirements||thatinfluencewhichLDOismostappropriate.Afterdiscussion||ofthespecificrequirements,differentLDOsarerecommended.||Also,someLDOdesigntechniquesarebrieflydiscussedto||demonstratehowanLDOmaybeoptimizedforaspecificlevelof||performance.||Cellularphonedesignsrequirelinearregulatorswith||low-dropout,low-noise,highPSRR,lowquiescentcurrent(Iq),||andlow-cost.Theyneedtodeliverastableoutputanduse||sma……