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DC转换器XC9242 XC9243（降压型） 深圳市泰德兰电子有限公司-授权一级代理日本TOREX台湾Axelite产品。杨伝喻小姐柑橘 【产品广泛用于】仪器仪表（电表，水表，万用表）；移动电源；迷你音箱；钟表；摄像头模组；MID；微型投影仪；POS机；LED（手电，小功率灯）；无线上网卡；车载（GPS）；指纹锁；对讲机；电子称；倒车雷达和遥控器；便携式电子产品以及医疗产品上。 DC转换器XC9242 XC9243（降压型） 2ASynchronousStep-DownDC/DCConverters [TOREX-XC9242/XC9243简介] 【1】TheXC9242/XC9243seriesisagroupofsynchronous-rectificationstep-downDC/DCconverterswithabuilt-in0.11 (TYP.)P-channelMOSdrivertransistorand0.12 (TYP.)N-channelMOSswitchingtransistor,designedtoallowtheuseofceramiccapacitors. 【2】Thesmallon-resistancesofthesetwointernaldrivertransistorsenableahighefficiency,stablepowersupplywithanoutputcurrentupto2A.TheXC9242/XC9243serieshasoperatingvoltagerangeof2.7V~6.0Vanda0.8V( 2.0%)referencevoltage,andusingexternallyconnectedresistors,theoutputvoltagecanbesetfreelyfrom0.9V.Withaninternalswitchingfrequencyof1.2MHz or 2.4MHz,smallexternalcomponentscanbeused. 【3】TheXC9242seriesisPWMcontrol,andtheXC9243seriesisPWM/PFM,whichautomaticallyswitchesfromPWMtoPFMduringlightloadsandprovideshighefficiency,highloadresponse,lowvoltageripple,canbeachievedoverawiderangeofloadconditions.Theserieshaveahighspeedsoft-startasfastas1msintypicalforquickturn-on.It ssuitableforlarge-currentapplicationduetolimitcurrentisconfigured4.0Aintypical.Duringstand-by,allcircuitsareshutdowntoreducecurrentconsumptiontoaslowas1.0 A or less. 【4】TheintegratedCLdischargefunctionwhichenablestheelectricchargeattheoutputcapacitorCLtobedischargedviatheinternaldischargeswitchlocatedbetweentheLXandVSSpins. [TOREX-XC9242/XC9243特点] DriverTransistor:0.11 (TYP.)P-chDriverTransistor,0.12 (TYP.)N-chSwitchingTransistor InputVoltageRange:2.7V～6.0V OutputVoltageSetting:0.9V～VIN FBVoltage:0.8V 2.0% HighEfficiency:95%(TYP.) ControlMethods:PWMcontrol(XC9242),PWM/PFMAuto(XC9243) OperatingAmbientTemperature:-40℃~ 85℃ Package:USP-10B,SOP-8FD Axelite常用系列 TOREX系列（NEW） AX2002SA 　 AX2020F5A XC6126 AX2012CTA XC6127 AX2535SA XC6229 AX2530CA XC6233 AX5201ESA XC6603 AX5510EU8A XC6604 AX3007B-50ESA XC6901 AX3015ESA XC6902 AX3023BA XC6421 AX3101SA XCL201 AX3111AESA XCL202 AX3112AESA XCL208 AM3400RA XCL209 AM3401RA XC9242 AM9435SA XC9243 AM4953SA XC9244 AX3304SA XC9245 AX321BTA XC9246 AX3513BTA XC9247 AX3514ASA XC9519 AX3517SA XC2401A8167R-G AX3482SA XC2406A816UR-G AX1007EXXA XC2407A816UR-G AX1117AEXXA XC2408A816UR-G AX1117ADXXA AX6634-330FA AX6634-500FA AX6646BTA AX6901ERA AX6901FRA AX6901DRA AX358SA B340AG AM3400RA AM3401RA AM9435SA AM4953SA TEL:86- 杨伝喻小姐柑橘