发明名称 Low cost high power factor LED driver
摘要 A controller for a power supply having a primary side and a secondary side includes a mapping circuit for generating a feedback signal corresponding to an output current of the secondary side, a power switch coupled to the primary side for conducting a connection according to a modulation signal, a constant current block, for generating a first current signal according to the feedback signal; and a control unit, for generating the modulation signal to control the power switch according to the first current signal.
申请公布号 US8477516(B2) 申请公布日期 2013.07.02
申请号 US201113088423 申请日期 2011.04.18
申请人 CHIEN MIN-CHU;LIN CHIN-YEN;NOVELTEK SEMICONDUCTOR CORP. 发明人 CHIEN MIN-CHU;LIN CHIN-YEN
分类号 H02M3/335 主分类号 H02M3/335
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