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Jan 3, 2013

The input power of the mobile power has been determined, the level of its output voltage will become the selection decision of the circuit structure in the form of row factor. Currently, the most commonly used standard supply voltage several 3.3,5 v and 12v. Many digital devices with mobile power interface 3.3v power supply, if the mobile design of the power conversion efficiency to 95%, the maximum available current of about 0.65a. As long as the amount of power want is enough. Can start LDO pieces, its lowest cost external components required few, just a lower power efficiency is unlikely to exceed 67% efficiency requirements, may wish to consider the "charge" the device, mobile power pack because of its cost with less volume terms of the former, but to have the clear advantage in terms of conversion efficiency. However, such devices with a load capacity is usually weak, only to meet the requirements of low-power device. If you need to get as much useful power, it is the only efficient step-down switching regulator circuit, but the cost and usb power pack size will also increase. If you have decided to use a switching power supply, in fact, there are still several circuits form to choose from.

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Posted: Thursday January 3, 2013, 3:09 am
Tags: power USB packmobile packbusiness [add/edit tags]

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Fred Hoekstra (6464)
Thursday January 3, 2013, 4:22 am
Folks, do not Note this, or follow the Link to the Website, because this is nothing more than Spam!

Author

Wenfeng Z.
male, age 26,
Empire State, NY, USA
WENFENG'S SHARES
Jan
11
(0 comments  |  discussions )
\nWith the increase in the power consumption of iphone and other smart phones, while non-replacement battery makes the phone\'s battery life is increasingly inadequate. Mobile power came into being, however, more and more phone brand of mobile power, va...
(0 comments  |  discussions )
\nThe mobile power easy to use it?\r\n Many people think usb power pack supply for emergency use only when there is no electricity on the outside phone with, in fact, the mobile power now able to give a mobile phone, MP3, digital camera, machine lea...
Jan
10
(0 comments  |  discussions )
Mobile power is getting hot. Many consumers are aware usb power pack to give our lives to bring a lot of benefits, but buy phone mobile power, found their own mobile power parameters do not understand. Today Xiaobian simple mobile power parameters. Ba...
(0 comments  |  discussions )
How to maintain the mobile power? The mobile power producers coup: What are the methods of waterproof moisture-proof? 1, anti-cold heat. Do not move the power on temperature. High temperatures can shorten the life of electronic devices, damage mobile ...


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