公开(公告)号：US20230205242A1

公开(公告)日：2023-06-29

申请号：US17561054

申请日：2021-12-23

Applicant: Intel Corporation

Inventor： Lior Gil ,  Kosta Luria ,  Michael Zelikson ,  Vadim Goldenberg

IPC: G05F1/563 ,  G05F1/56

CPC classification number: G05F1/563 ,  G05F1/561

Abstract: A supply voltage may be set using a local voltage regulator, such as a Digital Linear Voltage Regulators (DLVR). A DLVR may include a compensator, and the performance of the compensator may be affected by a dropout (DO) voltage. To improve the performance of a compensator, a number of compensator calculations may be pre-calculated to reduce the complexity of remaining real-time computations and enable compensator calculations to be completed within a single DLVR clock cycle. A DLVR may include a sense filter, and the DLVR transfer function (TF) may be modified using dynamic shaping of open loop gain and pole locations of a sense filter. The DO range associated with the DLVR TF may be changed according to a monitored DO(t) to reduce the sensitivity of a domain VMIN on dropout, which reduces power consumption, increases performance, and enables simplification of test flows.