MOSFET driver with reduced power consumption
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United States of America Patent
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Jun 12, 2018
Issued Date -
Feb 16, 2017
app pub date -
May 1, 2015
filing date -
May 7, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
A power supply can be operated in a low power mode by adjusting the pulses provided to a power supply switch until a pulse resulting in a reduced amount of power that exceeds a minimum power threshold required by a load coupled to the power supply switch is identified. For each successive switching cycle, a pulse causing a lower power to be provided to the load is produced. When a pulse is produced that causes a power to be provided to the load that does not exceed the minimum power threshold required by the load, a subsequent pulse is produced that causes a greater power to be provided to the load than the previous pulse. If the greater power exceeds the minimum power threshold, the subsequent pulse is stored and similar pulses are provided for the remainder of the low power mode.
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