CASCADE DEVICE WITH A VOLTAGE REGULATING EFFECT
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United States of America Patent
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Issued Date -
Nov 4, 2010
app pub date -
Apr 30, 2009
filing date -
Apr 30, 2009
priority date (Note) -
Abandoned
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Abstract
The present invention discloses a cascade device with a voltage regulating effect. The cascade device can be applied to a power supply of a cascade structure and includes a comparing element and a power control element. The comparing element provides for inputting a sampling voltage and a reference voltage, and outputs a control signal to the power control element when the sampling voltage is larger than the reference voltage. Next, the power control element can control an input voltage to be outputted to grounding, according to the control signal. Therefore, a control circuit can be provided with a stable voltage source, without requiring an extra rectifying device.
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