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    • 1. 发明申请
    • DC-DC CONVERTER WITH MULTIPLE OUTPUTS
    • 具有多个输出的DC-DC转换器
    • WO2013083296A2
    • 2013-06-13
    • PCT/EP2012/051074
    • 2012-01-25
    • TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)GROSSO, RenatoSAPONARA, SergioFRELLO, AntonioDA CANAL, AlessandroFANUCCI, LucaRISSOTTO, Stefano
    • GROSSO, RenatoSAPONARA, SergioFRELLO, AntonioDA CANAL, AlessandroFANUCCI, LucaRISSOTTO, Stefano
    • H02M3/335
    • H02M3/33515H02M3/33561H02M3/33576
    • A multiple output DC-DC converter (5) comprises a transformer (12) having a primary winding (13) and at least one secondary winding (14). The converter has a primary circuit (10) a plurality of secondary circuits (21, 22, 23). Each secondary circuit comprises the secondary winding (14) of the transformer or a respective winding of a plurality of secondary windings of the transformer, and an output stage (28) for providing a DC power supply output. At least one of the secondary circuits (21, 22, 23) comprises a secondary switch (25, 26, 27). A controller (30) is arranged to monitor a respective output signal (32) of each of the secondary circuits (21, 22, 23) and to control operation of the primary switch (15) and the at least one secondary switch (25, 26, 27) based on the monitored signals. The controller (30) is arranged to co-ordinate operation of the at least one secondary switch (25, 26, 27) with the primary switch (15), such that the primary switch (15) and the at least one secondary switch (25, 26, 27) are switched on at the same time, or with a controlled offset.
    • 多输出DC-DC转换器(5)包括具有初级绕组(13)和至少一个次级绕组(14)的变压器(12)。 转换器具有主电路(10)多个次级电路(21,22,23)。 每个次级电路包括变压器的次级绕组(14)或变压器的多个次级绕组的相应绕组以及用于提供直流电源输出的输出级(28)。 次级电路(21,22,23)中的至少一个包括二次开关(25,26,27)。 控制器(30)被布置成监视每个次级电路(21,22,23)的相应输出信号(32)并且控制主开关(15)和至少一个次级开关(25,23)的操作, 26,27)。 控制器(30)被布置成使至少一个次级开关(25,26,27)与主开关(15)的操作协调一致,使得主开关(15)和至少一个次级开关 25,26,27)同时被接通或被控偏移。