TITPS2552精密电源分配方案关键词:电源管理,DC/DC转换器,TPS2552/53,TPS2552-1/53-1TI公司的TPS2552/53和TPS2552-1/53-1是电源分配开关,+/-6%.2us快速过流响应时间,,,待机电流小于1uA,可用于数字电视(DTV(,机顶盒(STB),手机和网络电话(VoIP).本文介绍了TPS2552/53和TPS2552-1/53-1的主要特性与优势,-1/53-1power--(typ)-uracyastightas+/-6%canbeachievedatthehighercurrent--switchriseandfalltimesarecontrolledtominimizecurrentsurgesduringturnon/-currentmodewhentheoutputloadexceedsthecurrent--1/53-1devicesprovidecircuitbreakerfunctionalitybylatchingoffthepowerswitchduringovercurrentorreverse--paratordisablesthepower--:±6%Current- MeetsUSBCurrent-LimitingRequirements patiblewithTPS2550/51 AdjustableCurrentLimit,75mA—1300mA(typ) Constant-Current(TPS
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