Voltage stabilizing circuit
A voltage stabilizing circuit and voltage technology, applied in the direction of adjusting electrical variables, control/regulation systems, instruments, etc.
Active Publication Date: 2012-08-22
PROLIFIC TECH INC
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Problems solved by technology
[0004] The purpose of the present invention is to overcome the defects existing in the existing voltage stabilizing circuit and provide a voltage stabilizing circuit with a new structure. The technical problem to be solved Its technical efficiency is aimed at high operation mode, low power consumption mode (suspend mode) and standby mode, and can be switched according to various states to provide corresponding current drive capabilities. In mode, the voltage stabilizing circuit can supply larger current, when in low power consumption mode, the voltage stabilizing circuit consumes less power, and in standby mode, the voltage stabilizing circuit only consumes less power, which is very suitable for practical use
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[0045] In order to further explain the technical means and effects that the present invention takes to achieve the intended purpose of the invention, the specific implementation, structure, characteristics and effects of the voltage stabilizing circuit proposed according to the present invention will be described below in conjunction with the accompanying drawings and preferred embodiments. , as detailed below.
[0046] The aforementioned and other technical contents, features and effects of the present invention will be clearly presented in the following detailed description of the preferred embodiments with reference to the drawings. Through the description of the specific implementation mode, a more in-depth and specific understanding of the technical means and effects adopted by the present invention to achieve the intended purpose can be obtained. However, the accompanying drawings are only for reference and description, and are not used to explain the present invention. ...
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The invention relates to a voltage stabilizing circuit which comprises a comparator, a first voltage output unit, a second voltage output unit, a third voltage output unit, a first switch and a second switch. The voltage stabilizing circuit receives reference voltage generated by a working voltage and reference voltage generator and outputs corresponding output voltage. The voltage stabilizing circuit of the invention can provide a high operation mode, a low-consumption power mode and a standby mode, and the modes can be switched aiming at various states to provide corresponding current drive capability. In the high operation mode, the voltage stabilizing circuit can supply larger current; in the low-consumption power mode, the voltage stabilizing circuit consumes lower power; and in the standby mode, the voltage stabilizing circuit only consumes less power.
Description
Technical field [0001] The invention involves a voltage voltage voltage circuit, especially the voltage voltage voltage voltage circuit with a power saving function and multiple switching modes. Background technique [0002] Among the current consumer electronics products, the consumption of power supply is one of the important considerations designed by it. For example, in handheld products, the power supply limit of various circuits in the product is usually standardized.The power supply is turned off when it does not need to operate, so the voltage voltage voltage circuit is required to complete the power switch function when designing.However, when designing voltage voltage voltage stabilization circuits, based on the stable requirements of the circuit, most of the voltage voltage circuit only has one mode. In addition, because the largest load current is proportional to the consumption current of the voltage voltage circuit, when designing the voltage voltage circuit, the vo...
Claims
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IPC IPC(8): G05F1/56
Inventor 郭国仁洪裕隆张刚硕
Owner PROLIFIC TECH INC