Voltage converting circuit

A voltage converting circuit includes a logic circuit, a driver control circuit, a high-side switch, a low-side switch, and a discharge switch. The logic circuit receives a PWM signal from an input node and correspondingly outputs a first control signal and a second control signal. The driver contro...

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Hauptverfasser: CHANG, CHUN-HUNG, CHENG, CHUNG-SHENG
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:A voltage converting circuit includes a logic circuit, a driver control circuit, a high-side switch, a low-side switch, and a discharge switch. The logic circuit receives a PWM signal from an input node and correspondingly outputs a first control signal and a second control signal. The driver control circuit receives the first control signal and the second control signal and correspondingly outputs a high-side control signal and a low-side control signal. The high-side switch and the low-side switch respectively receive the high-side control signal and the low-side control signal and correspondingly output a phase output signal. The discharge switch is coupled between the input node and a ground terminal. The discharge switch is controlled by at least one of the PWM signal, the first control signal, an inversion of the second control signal, the high-side control signal, an inversion of the low-side control signal, and the phase output signal.