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Switching shunt regulator circuits

A regulator circuit, switching technology, applied in electrical components, output power conversion devices, DC power input conversion to DC power output, etc., can solve the problems of increased cost and complexity of optocouplers

Inactive Publication Date: 2015-10-07
ASTEC INT LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For low power requirements, the use of optocouplers for regulation adds cost and complexity

Method used

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  • Switching shunt regulator circuits
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  • Switching shunt regulator circuits

Examples

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Embodiment Construction

[0075] Example embodiments will now be described more fully with reference to the accompanying drawings.

[0076] Example embodiments are provided so that this disclosure will be thorough, and will fully convey the scope to those who are skilled in the art. Numerous specific details are set forth, such as examples of specific components, devices and methods, in order to provide a thorough understanding of the embodiments of the present disclosure. It will be apparent to those skilled in the art that specific details need not be employed, that example embodiments may be embodied in many different forms and that neither should be construed to limit the scope of the disclosure. In some example embodiments, well-known processes, well-known device structures, and well-known technologies are not described in detail.

[0077] The terminology used herein is for describing particular exemplary embodiments only and is not intended to be limiting. As used herein, the singular forms "a"...

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Abstract

A switching shunt regulator circuit includes a current source having an input for receiving an input voltage and an output for providing a DC current, and a shunt voltage regulator coupled to the output of the current source. The current source is configured to provide DC current to a DC load and DC current to the shunt voltage regulator when the DC load is coupled to the output. The DC current to the shunt voltage regulator regulates a voltage at the output. The shunt voltage regulator has a current carrying capacity greater than the sum of the DC current to the DC load and the DC current to the shunt voltage regulator.

Description

[0001] Cross References to Related Applications [0002] This application claims the benefit of US Provisional Application No. 61 / 913,053, filed December 6, 2013. The entire disclosure of the above application is incorporated herein by reference. technical field [0003] The present disclosure relates to switching shunt regulator circuits. Background technique [0004] This section provides background information related to the present disclosure which is not necessarily prior art. [0005] Digital control technology can be used to replace analog circuits in electronic products such as simple home appliances that can include smart control functions and remote control functions. These intelligent features require a microprocessor that requires stable bias power. Digitally controlled power supplies also require a microprocessor or digital signal processor to be powered on first in order to allow controlled operation. [0006] Obtaining a low bias voltage (eg, 3.3V) directl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02M1/10
CPCH02M3/158H02M1/0045
Inventor 维贾伊·G·帕德克
Owner ASTEC INT LTD