Voltage regulator circuit having adaptive loop gain
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United States of America Patent
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Aug 13, 1996
Grant Date -
N/A
app pub date -
Aug 1, 1994
filing date -
Aug 1, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A voltage regulator circuit (100) for coupling to a power supply voltage (BPLUS) generates and regulates an output voltage (VREG). The voltage regulator circuit (100) includes a gain control element (148) for controlling the loop gain of the voltage regulator circuit (100) in response to the output current. Under heavy load conditions, the gain control element (148) functions to reduce (716) the output voltage (VREG) and thus the output current of the voltage regulator circuit (100) to avoid an overload that would pull the power supply voltage (BPLUS) below a predetermined level.
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