Charge Pump Regulator
A technology of charge pump and voltage regulator, which is applied in the field of charge pump voltage regulator, can solve the problem of large standby power consumption, achieve the effect of reducing standby power consumption and avoiding the drop of conduction voltage
Active Publication Date: 2021-05-04
珠海博雅科技股份有限公司
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Problems solved by technology
[0005] Therefore, the charge pump regulator 100 in the prior art faces the problem of large standby power consumption
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[0038]In order to facilitate understanding of the present invention, the present invention will be described more fully described with reference to the related drawings. The preferred embodiment of the present invention is given in the drawings. However, the present invention can be implemented in different forms and is not limited to the embodiments described herein. Conversely, the purpose of providing these embodiments is to make the understanding of the disclosure of the present invention more thoroughly.
[0039]All techniques and scientific terms used herein are identical to those skilled in the art, unless otherwise defined. The terms used herein are intended to describe the embodiments of the specific embodiments are not intended to limit the invention.
[0040]It is understood that the charge pump is also referred to as a switching capacitive voltage converter, which may include a reference circuit, a comparison circuit, a conversion circuit, and a control circuit. By switching a...
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The present invention relates to the field of semiconductor technology, and provides a charge pump regulator, comprising: a sampling circuit connected to the output terminal of the charge pump, the sampling circuit obtains a sampling voltage according to the voltage of the charge pump; a control circuit connected to the sampling circuit and the ground A first path is formed between them, and the on-off state of the first path is selected according to the sampling voltage under the control of the first enable signal; a compensation circuit with a second path is formed, which generates a compensation signal according to the bandgap reference voltage and connected to the control circuit; the output circuit is respectively connected to the output terminal of the sampling circuit and the output terminal of the compensation circuit, and generates the charge pump regulator according to the sampling voltage and the compensation signal under the control of the second enable signal output voltage. Therefore, the standby power consumption of the charge pump regulator can be reduced while realizing the voltage stabilizing function.
Description
Technical field[0001]The present invention relates to the field of semiconductor technology, and more particularly to a charge pump regulator.Background technique[0002]With the development of electronic information technology, the low power design and application of memory products play an important role in electronic systems. The charge pump is a switching capacitive voltage converter with high conversion efficiency, and the peripheral circuit is simple. It has a wide range of applications in modern power management circuits. It is very suitable for memory, Internet access, and portable applications.[0003]figure 1 It is a schematic structural block diagram of an existing charge pump regulator, such asfigure 1 As shown, the existing charge pump regulator 100 can include: the charge pump 110, the voltage compulsory circuit 120, the voltage comparator 130, and the clock oscillator 140, wherein the output terminal of the charge pump 110 and the input terminal of the voltage pressure ci...
Claims
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IPC IPC(8): H02M3/07
CPCH02M3/07Y02B70/10
Inventor 马亮张登军万碧根查小芳
Owner 珠海博雅科技股份有限公司