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US6087817A Circuits and methods for developing a regulated auxiliary output with an overwinding on a synchronous buck regulator 有权
用于在同步降压调节器上开发具有过卷绕调节的辅助输出的电路和方法

  • 专利标题： Circuits and methods for developing a regulated auxiliary output with an overwinding on a synchronous buck regulator
  • 专利标题（中）： 用于在同步降压调节器上开发具有过卷绕调节的辅助输出的电路和方法
  • 申请号： US395804
    申请日： 1999-09-14
  • 公开(公告)号： US6087817A
    公开(公告)日： 2000-07-11
  • 发明人: Craig Varga
  • 申请人： Craig Varga
  • 申请人地址： CA Milpitas
  • 专利权人： Linear Technology Corp.
  • 当前专利权人： Linear Technology Corp.
  • 当前专利权人地址： CA Milpitas
  • 主分类号： H02M3/158
  • IPC分类号： H02M3/158 ;  G05F1/40
Circuits and methods for developing a regulated auxiliary output with an overwinding on a synchronous buck regulator
摘要：
Circuits and methods for regulating an auxiliary output with an over-winding on a synchronous buck regulator are provided. Though these regulators have produced regulated auxiliary outputs in conventional circuits, the regulation used in conventional circuits has not been maximized. This caused the auxiliary output voltage to vary with changes in load on the primary output as well as with changes in load on the auxiliary output. The present invention directly regulates the auxiliary output voltage of the synchronous buck regulator by adjusting the gate amplitude of a MOSFET switch located in the power loop of the auxiliary output.
摘要（中）：

提供了用于在同步降压调节器上用过压绕组调节辅助输出的电路和方法。 虽然这些调节器在常规电路中产生了调节的辅助输出，但是传统电路中使用的调节功能尚未最大化。 这导致辅助输出电压随初级输出负载的变化以及辅助输出上的负载变化而变化。 本发明通过调节位于辅助输出的功率回路中的MOSFET开关的门振幅来直接调节同步降压调节器的辅助输出电压。

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