Starting adjustment circuit and flyback power starting system

A starting adjustment circuit and a flyback power starting system applying the same, wherein the starting adjustment circuit comprises a buck module, an optical coupling isolation module, a reverse logic IC module, a counting module, and a boost module. The buck module is used to convert an input po...

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1. Verfasser: LAI, CHING-HUI
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:A starting adjustment circuit and a flyback power starting system applying the same, wherein the starting adjustment circuit comprises a buck module, an optical coupling isolation module, a reverse logic IC module, a counting module, and a boost module. The buck module is used to convert an input power signal into a buck signal. The optical coupling isolation module is used to generate a start signal according to a system control signal and the buck signal. The reverse logic IC module is used to convert the start signal into a reverse signal. The counting module is used to count a preset time after receiving the reverse signal and send an on/off signal. The boost module is used to convert the buck signal into a boost signal, and output or stop outputting the boost signal according to the on/off signal.