Split pass device applications for DAC supply systems

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12184294
APP PUB NO 20240028060A1
SERIAL NO

17872993

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Abstract

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The present disclosure relates to power management for digital-to-analog converters (DACs). As electronic devices and the components therein become increasingly smaller to satisfy the desire for more compact/portable devices, the operating voltage may be reduced to reduce the likelihood of shorts and/or voltage/current bleeds. To maintain comparable power output with the reduced operating voltage, the current may increase proportionally to the decrease in voltage. Consequently, in scaled devices and applications, high-current low-voltage regulators may be beneficial. As such, a low-dropout regulator (LDO) including one or more operational amplifiers and multiple pass devices may be implemented between a power supply and the DAC to regulate the power supply to the DAC. Moreover, the LDO may include one or more feedback loops to maintain a desired voltage regulation of the pass devices.

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Patent Owner(s)

Patent OwnerAddress
APPLE INCONE APPLE PARK WAY CUPERTINO CA 95014

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gossmann, Timo W Neubiberg, DE 10 0
Gourlat, Guillaume Munich, DE 6 10
Passamani, Antonio Munich, DE 24 44
Vargas, Adrien F Munich, DE 5 0

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