文档介绍：NXPTEA1733LTGreenChip开关电源控制方案关键词:电源管理,AC/DC转换器,开关电源,SMPSNXP公司的TEA1733LT/N1和TEA1733LT/N2是低成本GreenChip开关电源(SMPS)控制器,适合用于反激拓扑。器件工作在固定频率模式,采用频率抖动来降低电磁干扰(EMI),输入电压12V-30V,起动和重起的电流非常低,只有10uA,,适用于75W以下的开关电源。本文介绍了TEA1733LT/N1和TEA1733LT/N2主要特性和优势,TEA1733LT/N1和TEA1733LT/N2方框图,典型应用电路图以及GreenChip65WTEA1733(L)T演示板主要特性,电路图和材料清单(BOM)。TEA1733LT:GreenChipSMPScontrolICTheTEA1733LT/N1andTEA1733LT/N2arelowcostSwitchedModePowerSupply(SMPS)(EMI),)(OPP).,VINSENSEandPROTECT,(UVP)andOverVoltageProtection(OVP),outputOVPandOverTemperatureProtection(OTP)%-,:SMPScontrollerICenablinglow-costapplicationsLargeinputvoltagerange(12Vto30V)Verylowsupplycurrentduringstart-upandrestart(typically10μA)Lowsupplycurrentduringnormaloperation()O