PWM controller detecting temperature and AC line via a single pin and power converter using same
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United States of America Patent
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Mar 24, 2015
Grant Date -
May 15, 2014
app pub date -
Nov 12, 2012
filing date -
Nov 12, 2012
priority date (Note) -
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Abstract
A PWM controller detecting temperature and AC line via a single pin and a power converter using the PWM controller, the PWM controller comprising: an output pin for providing a PWM signal; and a dual-function pin for receiving a temperature signal when the PWM signal is at a high level, and for receiving an AC line signal when the PWM signal is at a low level.
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