Power-on reset circuit and power supply device
A technology of electric reset and circuit, which is applied in the direction of electrical components, electronic switches, pulse technology, etc., can solve the problems of adjustment, timing and time required to start work, etc., and achieve the effect of flexible and convenient work
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[0056] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0057] Such as figure 1 As shown, the power-on reset circuit described in the embodiment of the present invention includes:
[0058] An overvoltage detection unit 11, connected to the voltage output terminal of the power supply 10, for generating an overvoltage indication signal S1 when it is detected that the voltage Vout output by the voltage output terminal is greater than or equal to a predetermined voltage; and,
[0059] The timing unit 12 is connected w...
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