a boost converter
A technology of boost converter and comparator, which is applied in high-efficiency power electronic conversion, output power conversion devices, instruments, etc., can solve the problems of low conversion efficiency and achieve high conversion efficiency
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[0016] Below in conjunction with the accompanying drawings ( Figure 1-Figure 2 ) to describe the present invention.
[0017] figure 1 It is a schematic diagram of the circuit structure of a boost converter implementing the present invention. figure 2 Yes figure 1 A schematic diagram of the circuit structure of the gate drive circuit Driver2 of the second PMOS transistor Mp1. refer to Figure 1 to Figure 2 As shown, a boost converter includes a first PMOS power switch Mp0 driven by a first control signal PON through a first drive circuit Driver1, and a first PMOS power switch Mp0 driven by a third control signal NON through a third drive circuit Driver3 NMOS transistor Mn0, a second PMOS power switch transistor Mp1 is introduced, the second PMOS power switch transistor Mp1 and the first PMOS power switch transistor Mp0 form a series combination, and the second PMOS power switch transistor Mp1 is controlled by the second The signal SEL is driven by the second driving circ...
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