SECOND VOLTAGE REGULATOR TO SUPPLY EXCESS CURRENT IN PARALLEL WITH FIRST VOLTAGE REGULATOR
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United States of America Patent
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Issued Date -
Mar 27, 2025
app pub date -
Sep 25, 2023
filing date -
Sep 25, 2023
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Abstract
Embodiments herein relate to a stacked semiconductor structure which includes a first voltage regulator (VR), external to a package, for supplying current to a compute die in the package. When the required current exceeds a threshold, an additional current source is activated. The additional current source can include a second VR, also external to the package, for supplying current to an integrated voltage regulator (IVR) in the package. The IVR performs voltage down conversion and current multiplication to output a portion of the required current above the threshold, while the output of the first VR is capped at the threshold.
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