On Jun 30, 9:33=A0am, jaby_1...@[EMAIL PROTECTED]
wrote:
> DESCRIPTION
>
> The LT=AE1580 is a 7A low dropout regulator designed to power the new
> generation of microprocessors. The dropout voltage of this device is
> 100mV at light loads rising to just 540mV at 7A. To achieve this
> dropout, a second low current input voltage 1V greater than the output
> voltage, is required. The device can also be used as a single supply
> device where dropout is comparable to an LT1584.
> Several other new features have been added to the LT1580.A remote
> SENSE pin is brought out. This feature virtually eliminates output
> voltage variations due to load changes. Typical load regulation,
> measured at the SENSE pin, for a load current step of 100mA to 7A is
> less than 1mV.
> The LT1580 has fast transient response, equal to the LT1584. On fixed
> voltage devices, the ADJ pin is brought out. A small capacitor on the
> ADJ pin further improves transient response.
> This device is ideal for generating processor supplies of 2V to 3V on
> motherboards where both 5V and 3.3V supplies are available.
more detail check from
http://www.chinaicmart.com/series-LT1/LT1580IQ.html
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