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Power converter with improved line transient response, control circuit for power converter, and method for improving line transient response
Power converter with improved line transient response, control circuit for power converter, and method for improving line transient response
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机译:具有改善的线瞬态响应的功率转换器,用于功率转换器的控制电路以及用于改善线瞬态响应的方法
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摘要
The present invention discloses a power converter with improved line transient, comprising: a power stage circuit including at least one power transistor switch which operates to convert an input voltage to an output voltage; an error amplifier comparing a feedback signal with a reference signal to generate an error signal; an input voltage instant variation extraction circuit extracting an instant variation of the input voltage and generating a signal relating to the instant variation; and a PWM comparator generating a PWM signal according to at least a ramp signal, the error signal, and the signal relating to the instant variation, to thereby control the operation of the power transistor switch in the power stage circuit.
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