A self-adaptive voltage regulation circuit for power converter
A technology for power converters and regulating circuits, which is applied in the direction of adjusting electric variables, converting DC power input into DC power output, and output power conversion devices. The problem of large overshoot voltage and other problems can be achieved, and the effect of small overshoot voltage, reduced inductor current, and reduced requirements can be achieved.
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[0014] Below in conjunction with accompanying drawing, describe technical scheme of the present invention in detail:
[0015] The self-adaptive voltage regulator of the present invention can adaptively adjust the operating voltage of the load according to the difference of the current operating frequency of the load by coordinating with the power converter, so that the operating voltage of the load is the lowest when the load is normally operating at the current operating frequency, effectively reducing the load. power consumption. At the same time, the PSM modulation mode has the advantages of fast response, high efficiency, strong anti-interference ability, good electromagnetic compatibility and strong robustness under light load as the control mode of the adaptive voltage regulator.
[0016] Such as figure 1 As shown, an adaptive voltage regulation circuit for a power converter of the present invention includes a logic module, an on-time generator, a first comparator, a se...
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