XC9245/4降壓型DC/DCConverters 深圳市泰德蘭電子有限公司-授權一級代理日本TOREX臺灣Axelite產(chǎn)品。TEL:86- 楊伝喻小姐柑橘 TOREX】XC9245、XC9244降壓型DC/DCConverters XC9244/XC9245簡介： 【1】TheXC9244/XC9245seriesisagroupofsynchronous-rectificationtypestep-downDC/DCconverterswithabuilt-in0.65 P-channelMOSdrivertransistorand0.45 N-channelMOSswitchingtransistor,designedtoallowtheuseofceramiccapacitors.Outputcurrentof400mA(MAX.)tobeconfiguredusingonlyacoilandcapacitorconnectedexternally. 【2】Theoutputvoltagecanbesetfrom0.8Vto4.0Vinincrementsof0.05V(accuracy: 2.0%).Withaninternalswitchingfrequencyof1.2MHz,smallexternalcomponentscanbeused.USPN-6packageissuitablefortheapplicationwhichrequireslowprofileandsmall-footprint. 【3】TheXC9244seriesisPWMfixedfrequencycontrol,andtheXC9245seriesisPWM/PFM,whichautomaticallyswitchesfromPWMtoPFMduringlightloads,highefficiencycanbeachievedoverawiderangeofloadconditions.Whenstand-bymode,duetostopalloperation,supplycurrentisreducedto1 A or less. 【5】TheintegratedCLdischargefunctionwhichenablestheelectricchargeattheoutputcapacitorCLtobedischargedviatheinternaldischargeswitchlocatedbetweentheVOUTandVSSpins.TheCLdischargefunctionpreventsmalfunctiononVOUTconnectingapplicationduringstand-bymode. XC9244/XC9245特征： DriverTransistorBuilt-In:0.65 P-chDriverTransistor,0.45 N-chDriverTransistor InputVoltage:2.3V~6.0V Function:CurrentLimiterCircuit(ConstantCurrent Latching),CLHighSpeedDischarge,SoftStartCircuit Capacitor:LowESRCeramicCapacitor ControlMethods:PWM(XC9244),PWM/PFMAuto(XC9245) OperatingAmbientTemperature:-40℃~ 85℃ Package:USPN-6 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