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the power supply Dell inspiron 1300 Adapter_Information_Laptop adapters, Tablet PC adapters, Li-polymer batteries

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Your Position: Home > Information > the power supply Dell inspiron 1300 Adapter
the power supply Dell inspiron 1300 Adapter
moyestec 2011-03-03

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Here to talk about why the first wife of the power supply Dell inspiron 1300 Adapter Dell PA-6 adapter Dell PA-9 adapter is usually better than non-first wife. I would like to first wife's power in theory is relatively better, may actually feel the difference. The usual load to allow the input voltage is a safe range, such as the nominal value plus or minus 5%, an example is the 2.5-inch hard drive 5v input requirement is plus or minus 5%. Laptop, too, if the input voltage is too large or too small will lead to protection circuit moves to stop working. But the action in the protection of the circuit until the books have been biased towards the internal regulator circuit working upper limit or lower limit, in principle, have some influence on the device lifetime, but according to today's point of view, the reliability of electronic components has been quite good, as long as the design context, very few will be problems, life will not be shorter than the life of books, so this is not a major concern. The more important question may be books of data security, automatic protection of sudden stop working for a computer is a terrible thing, especially when many do not have the battery's friends. Sometimes baffling re-boot your computer and relevant. For the first wife of the power supply, the manufacturers know what kind of access to the load, so you can easily calculate the nominal power supply voltage and nominal current, the power supply nominal voltage should meet the following two conditions, firstly, when the nominal maximum current output voltage minus the power supply itself, the required voltage drop should be greater than 95% of the load, and the second is the smallest when the current output voltage minus the power supply itself is designed to be less than the load required voltage drop of 105 %. However, if you are using a non-first wife adapter, such as general-purpose transformers and the like, the above-mentioned problem can not be seriously considered, it is the user can only try to think of ways to supply parameters to obtain compatible, but the resistance is different for each adapter , the nominal voltage allowable error may be different, under the nominal current output voltage changes in the scope of the definition may be different, and even the output ripple coefficient is not small enough not necessarily, if not carefully measured the output power with the the relationship between the output voltage, in principle, there is a certain risk, but this risk is very small, as long as you choose a large enough current nominal resistance of the power would not have the problem of excessive ripple coefficient can also be stable within the books pressure to reduce, so I said, first wife of the power supply is usually better than the non-first wife of the power. This is the first wife of a different power supply and common power supply.

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