Voltage down converter with switched hysteresis
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United States of America Patent
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Oct 9, 2001
Grant Date -
N/A
app pub date -
Jan 27, 2000
filing date -
Feb 5, 1999
priority date (Note) -
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Abstract
A voltage down converter with hysteresis generator combining a hysteresis signal to a reference voltage and an output voltage feedback signal applied to a comparator. The hysteresis generator is coupled to a control signal giving advance notice of when a high current load is to be activated. The hysteresis signal is switched to a first state prior to the high current load activation, and switched to a second state after the high current load activation. In the first state, the hysteresis voltage is added to a reference voltage. In the second state, the hysteresis voltage is added to the voltage output feedback signal.
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