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For use in receiver circuits in power converters

A technology of a power converter and a receiving circuit, which is applied to the output power conversion device, the conversion of DC power input to DC power output, and the conversion of AC power input to DC power output, etc., can solve the problem of slow operation of optocouplers, switching power Converters add additional size and cost, limit switching power converter feedback bandwidth and transient response issues

Active Publication Date: 2018-08-07
POWER INTEGRATIONS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These known approaches add unwanted additional size and cost to the switch mode power converter
Additionally, optocouplers are slow and, in many cases, limit the feedback bandwidth and transient response of switching power converters

Method used

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  • For use in receiver circuits in power converters
  • For use in receiver circuits in power converters
  • For use in receiver circuits in power converters

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Embodiment Construction

[0025] In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. It will be apparent, however, to one of ordinary skill in the art that the specific details need not be employed to practice the present invention. In other instances, well-known materials or methods have not been described in detail in order to avoid obscuring the present invention.

[0026] Reference throughout this specification to "one embodiment," "an embodiment," "an example," or "an example" means that a particular feature, structure, or characteristic described with respect to the embodiment or example is included in the present specification. In at least one embodiment of the invention. Thus, appearances of the phrases "in one embodiment," "in an embodiment," "an example," or "an example" in various places throughout this specification are not necessarily all referring to the same embodiment or example. Furthermore, the ...

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PUM

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Abstract

A receive circuit for use in a power converter controller includes a first amplifier coupled to receive an input pulse. A second amplifier is coupled to a first output of the first amplifier. The first output is coupled to be responsive to the input pulse and to a second output of the second amplifier. An output circuit is coupled to generate an output signal in response to the second output.

Description

technical field [0001] The present invention generally relates to communication between multiple circuits requiring galvanic isolation. More specifically, embodiments of the present invention relate to communication across an isolation barrier in a switch mode power converter. Background technique [0002] Switching mode power converters are widely used in household or industrial appliances that require a regulated direct current (dc) source for their operation, such as battery chargers commonly used in electronic mobile devices. An off-line ac-dc converter converts a low-frequency (for example, 50Hz or 60Hz) high-voltage ac (alternating current) input voltage into a dc output voltage of the required level. Some types of switching power converters are popular due to their well regulated output, high efficiency and small size, as well as their safety and protection features. Popular switching power converter topologies include flyback, forward, boost, buck, half-bridge, and...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02M7/217
CPCH02M3/33592Y02B70/10H02M3/335H03G1/00
Inventor A·B·詹格里安S·刘L·伦德
Owner POWER INTEGRATIONS INC