4、挽拓扑结构、单片机最小系统、电流电压检测电路以及输出保护电路。本直流稳压电源设计具有实际使用的价值。关键词:推挽拓扑;SG3525;电压电流采集;单片机;输出保护-23-ABSTRACTInthisthesis,thedesignofpush-pull structureaboutSwitching Power Supply DCwillbeintroduced.Thisstabilized voltage supplycaninput12VDCandoutputpowersupplyof24V/4A.Inthissystem,
7、tailedlydiscussedpush-pulltopology,theminimumsystemofSingleChipMicrocomputer,circuitforoutput.ThisdesignofDC stabilized power supplyhaspracticalvalue.KeyWords:Push-pulltopology;SG3525;voltagecurrentcollection;SingleChipMicrocomputer;theoutputprotection-23-1绪论1.1国内外研究