Direct current converter

A direct current converter includes a first node, a second node, an input voltage terminal, an output voltage terminal, a bootstrap source terminal, a low-voltage terminal, a control module for generating a control signal, a driving-stage circuit coupled to the input voltage terminal, the first node...

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Bibliographic Details
Main Author Cheng, Chieh-Wen
Format Patent
LanguageEnglish
Published 15.11.2011
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Summary:A direct current converter includes a first node, a second node, an input voltage terminal, an output voltage terminal, a bootstrap source terminal, a low-voltage terminal, a control module for generating a control signal, a driving-stage circuit coupled to the input voltage terminal, the first node, the second node, the control module, and the low-voltage terminal, an output-stage circuit coupled to the second node and the output voltage terminal, and a bootstrap circuit including a capacitor coupled between the first node and the second node, a fault detector for outputting a switch signal, and a cascade unit coupled to the bootstrap source terminal, the first node, the control module, and the fault detector for controlling connection between the bootstrap source terminal and the first node according to the switch signal and the control signal.