Notebook_computer_porter_management

Published:2009/7/24 20:59:00 Author:Jessie | From:SeekIC

Figure 8-55 shows an LTC1156 connected to control power (and protect) for components of a notebook computer (or similar device). Each load in the circuit is activated by the microprocessor only when that component is required to process or display information. When not needed (as determined by microprocessor control), the individual systems are placed in the standby mode where quiescent current is reduced to microamp levels. The standby current of the LTC1156 is typically 16 μA with all four inputs turned off. LINEAR TECHNOLOGY, APPLICATION NorE 53, P. 10.



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