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公开(公告)号：US10915133B1
公开(公告)日：2021-02-09
申请号：US16800260
申请日：2020-02-25
Applicant: SanDisk Technologies LLC
Inventor： Xiaofeng Zhang , Naresh Battula , Albert I-Ming Chang
Abstract: A voltage regulator circuit is presented that can generate a stable and well-regulated output level to supply loads that have large dynamic current and capacitive variation. A compensation circuit is added to introduce a zero that tracks the voltage regulator's non-dominant pole. The compensation circuit includes a compensation transistor, whose gate is connected to receive the same voltage as the regulator's load driving pass transistor, and a series combination of a capacitance and a tracking resistance connected in series between the compensation transistor's gate and a supply level, where the value of the tracking resistance depends on the current supplied to the load. The tracking resistance can be implemented as a diode connected NMOS through which the compensation transistor is connected to the low supply level, or a diode connected PMOS whose current tracks that of the compensation transistor through a current mirror.
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公开(公告)号：US10908210B2
公开(公告)日：2021-02-02
申请号：US16399786
申请日：2019-04-30
Applicant: SanDisk Technologies LLC
Inventor： Kirubakaran Periyannan , Naresh Battula , Chang Siau
Abstract: Systems and methods for die crack detection are disclosed. In one exemplary embodiment, a die includes a first conductive segment, an intermediate conductive segment, and a second conductive segment. The crack detection ring substantially surrounds the die according to a serpentine path having a plurality of legs, wherein each leg intersects the first conductive segment at a first intersection, an intermediate conductive segment at an intermediate intersection and a second conductive segment at a second intersection, wherein the intermediate intersection is horizontally offset from at least the first intersection and the second intersection.
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