主权项 |
1. A DC-DC converter, coupled to an input voltage and an output inductor, the DC-DC converter comprising:
an output stage, coupled to the input voltage and the output inductor and providing an output voltage; a feedback loop, coupled to the output inductor and receiving the output voltage to generate a control signal; a pulse-width modulation (PWM) generating circuit, coupled to the feedback loop and receiving the control signal, wherein the PWM generating circuit comprises a timing signal generating unit making the PWM generating circuit to generate a PWM signal according to a correction voltage, and the correction voltage responds the output voltage and a first current source related to the input voltage; and a driving circuit, coupled to the output stage and the PWM generating circuit and receiving the PWM signal to control the operation of the output stage.
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