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Switching type voltage stabilizer

A voltage stabilizer, switching technology, applied in instruments, output power conversion devices, DC power input conversion to DC power output and other directions, can solve the problem of inability to systematically adjust the working cycle, unable to provide instantaneous response, etc., to improve the overall The effect of stable voltage performance and good transient response

Active Publication Date: 2016-10-19
ELITE SEMICON MEMORY TECH INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, switching regulators in the prior art often cannot provide good transient response
For example, switching regulators in the prior art cannot adjust the duty cycle accordingly in response to the load conditions of the system

Method used

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Embodiment Construction

[0039] Certain terms are used throughout the specification and appended claims to refer to particular components. Those of ordinary skill in the art should understand that hardware manufacturers may use different terms to refer to the same component. The description and the scope of the appended claims do not use the difference in name as the way to distinguish components, but the difference in function of the components as the criterion for distinguishing. "Includes" mentioned throughout the specification and appended claims is an open term, so it should be interpreted as "including but not limited to". In addition, the term "coupled" herein includes any direct and indirect means of electrical connection. Therefore, if it is described that a first device is coupled to a second device, it means that the first device may be directly electrically connected to the second device, or indirectly electrically connected to the second device through other devices or connection means. ...

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Abstract

A switching type voltage stabilizer is used to receive an input voltage and provide an output voltage correspondingly. The switching type voltage stabilizer comprises a switching circuit, an inductor, a DC compensation circuit and a control circuit; the switching circuit is coupled to the input voltage; the inductor is coupled to the switching circuit, receives the input voltage from the switching circuit and provides the output voltage for a load; the DC compensation circuit compares a feedback signal from the output voltage with a threshold so as to adjust a DC compensation voltage dynamically; and the control circuit is used to decide a responsibility period of the switching circuit, and adjusts the responsibly period of the switching circuit at least according to the DC compensation voltage.

Description

technical field [0001] The present invention relates to a switching voltage regulator, especially a switching voltage regulator that can dynamically adjust the duty cycle according to the working state. Background technique [0002] Generally speaking, the easiest way to reduce the voltage of a DC power supply is to use a linear regulator, but this method consumes more power. In contrast, switching regulators have been widely used because they consume less power in operation. For example, common switching regulators are boost regulators and buck regulators. These switching regulators use a feedback path to adjust the duty of their switching switches. duty cycle. [0003] However, switching regulators in the prior art often cannot provide good transient response. For example, the switching regulator in the prior art cannot adjust the duty cycle correspondingly in response to the load condition of the system. Therefore, there is a need to provide a new switching regulator ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02M3/156
Inventor 何仪修
Owner ELITE SEMICON MEMORY TECH INC
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