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Power regulator and control method thereof

A power regulator and power technology, applied in the direction of output power conversion device, DC power input conversion to DC power output, no intermediate conversion to AC conversion equipment, etc., can solve the problem of affecting the performance of radio frequency or digital chips, and poor system operation and other issues, to achieve the effect of convenient realization

Active Publication Date: 2013-12-04
SILERGY SEMICON TECH (HANGZHOU) CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the output voltage of the voltage regulator drops, affecting the performance of the associated RF or digital chips, which may cause the system to malfunction

Method used

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  • Power regulator and control method thereof
  • Power regulator and control method thereof
  • Power regulator and control method thereof

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Embodiment Construction

[0027] Preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. Although the present invention is described in connection with the following preferred embodiments, the present invention is not limited to these embodiments. On the contrary, the invention covers any alternatives, modifications, equivalent methods and schemes within the spirit and scope of the invention as defined by the claims. Further, in order to make the public have a better understanding of the present invention, some specific details are described in detail in the detailed description of the present invention below. The present invention can be fully understood by those skilled in the art without the description of these details. In order to avoid obscuring the essence of the present invention, well-known methods, procedures, procedures, components and circuits have not been described in detail.

[0028] Some portions of the following ...

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Abstract

Methods and circuits for power supply arrangement and control are disclosed herein. In one embodiment, a power supply can include: (i) an input capacitor coupled to an input terminal that is coupled to a power source, where the power source provides power that is constrained by a predetermined limit; (ii) an output capacitor coupled to an output terminal that is coupled to a load, where the load has a first load condition or a second load condition; (iii) a first regulator to convert an input voltage at the input terminal to an output voltage at the output terminal to power the load; (iv) a second regulator coupled to the first regulator; and (v) an energy storage element coupled to the second regulator, where the second regulator delivers energy from the energy storage element to the first regulator to maintain regulation of an output voltage at the output terminal when in the second load condition.

Description

[0001] This application is a divisional application of the original patent application with the filing date of 2009.7.21, the application number of 200910160520.8, and the invention titled power regulator and its control method. technical field [0002] The invention relates to the field of semiconductor devices, more specifically, to a power regulator and a control method thereof. Background technique [0003] Voltage regulators, such as DC-DC voltage converters, are used to provide stable voltage sources for various types of electronic equipment. High efficiency DC-DC converters are especially required for battery management of some low-power devices (such as laptop computers, portable mobile phones, etc.). The switching voltage regulator converts the input voltage into a high-frequency voltage signal, and then filters the high-frequency input voltage signal to generate a DC output voltage. A switching regulator usually consists of a switch that alternately couples and de...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02M3/06H02M3/07
CPCH02M3/1584
Inventor 陈伟
Owner SILERGY SEMICON TECH (HANGZHOU) CO LTD
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