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Method and apparatus for a control circuit responsive to an impedance coupled to a control circuit terminal

机译:用于响应于耦合到控制电路端子的阻抗的控制电路的方法和设备

摘要

An example power supply controller includes a regulation circuit, a current sense circuit, and a response circuit. The regulation circuit is coupled to regulate a sense terminal to a voltage level. The current sense circuit is coupled to the sense terminal to sense a current through the sense terminal a measurement delay period after a magnitude of the current through the sense terminal reaches a first threshold current level. The response circuit is coupled to the sense circuit and is responsive to the current through the sense terminal only after the measurement delay period.
机译:示例电源控制器包括调节电路,电流感测电路和响应电路。调节电路被耦合以将感测端子调节到电压电平。电流感测电路耦合到感测端子,以在通过感测端子的电流的大小达到第一阈值电流电平之后的测量延迟时段感测通过感测端子的电流。响应电路耦合到感测电路,并且仅在测量延迟时段之后才响应于通过感测端子的电流。

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