Control circuit and control method of high-side depressurization converting circuit
A technology for converting circuits and controlling circuits, which is applied in the field of circuits, can solve problems such as differential load regulation, and achieve good load regulation effects
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[0027] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0028] figure 2 A COT system 200 according to one embodiment of the invention is shown.
[0029] and figure 1 Compared to the COT system 100 shown in the figure 2 The COT system 200 shown adds a loop. More specifically, the COT system 200 includes an error amplifier 210 with a compensation capacitor C connected in parallel at its output 3 .
[0030] exist figure 2 In the illustrated embodiment, the error amplifier 210 is a transconductance amplifier. Of course, those skilled in the art should understand that other types of error amplifiers are also applicable in the present invention.
[0031] In system 200, the feedback signal V FB is input to the inverting input terminal of the error amplifier 210 and the inverting input terminal of the first comparator 110 . The non-inverting input terminal of the error amplifier 210 receives the r...
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