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Date: 11-01-14

Power supply designs for 45W and 12W Ultrabook adapter

Dialog Semiconductor plc has announced its new power supply reference designs for thin 45W and 12W travel-size power adapters that can be used with an Ultrabook. Dialog claims its 45W design enables Ultrabook power adapters that are less than one-half the overall volume and approximately 50% thinner than conventional 45W adapters. The 12W design enables the first compact, pocket-size adapters for an Ultrabook at just 68mm x 68mm x 17mm thick, with a typical charge time under five hours, says Dialog.

Dialog’s 45W and 12W designs support Intel Turbo Boost Technology with 82W peak power capability at 10% duty cycle for the 45W adapter and 2% for the 12W adapter. They also meet proposed European CoC version 5(1) and U.S. DoE(2) regulations. 45W design offer 90% active average efficiency and no-load stand by power consumption of

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