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Method for Current Drain Reduction in Deep Sleep Mod Disclosure Number: IPCOM000021028D
Original Publication Date: 2003-Dec-17
Included in the Prior Art Database: 2003-Dec-17

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Bob Johnson Tim McCune


This paper describes two voltage regulators operated in series, each of which having two modes, an operating mode and a low power mode. A method of bringing the regulators out of their low power modes in a controlled manner which does not compromise the operation of the phone system is also described. The information in this paper is shown in the context of a GSM cellular phone but can be implemented in many types of electronic devices.