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专利名称：Method for operating a switching converter发明人：HALLAK, JALAL申请号：EP11170687.5申请日：20110621公开号：EP2538532A1公开日：20121226
专利附图：
摘要：A switching element is triggered with a pulse width modulation (PWM) signal(PWM2) and a PWM signal (PWM1) with a variable clock frequency, through a PWMswitching controller (1). The PWM signal (PWM2) is synchronized with a valley of aswinging voltage, through a minimum voltage detector. The PWM signal (PWM2) is
applied to the switching element through a phase locked loop (PLL) circuit, by changingthe clock frequency, when the phase shift between both PWM signals is regulated tozero. An independent claim is included for switching converter.
申请人：SIEMENS AKTIENGESELLSCHAFT
地址：Wittelsbacherplatz 2 80333 München DE
国籍：DE
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