L1581D-3.3 (uldo) equivalent, dual input ultra low dropout voltage regulator (uldo).
L1581 Series
TO-252
GENERAL DESCRIPTION
The L1581 is a positive and very low dropout voltage regulator with 5A output current capability. When supplying 2.5V or 2.8V on.
z 3.3V to 2.8V or 2.5V for Motherboards or VGA Card z Spilt plane microprocessor supplies z Post regulator for switching.
The L1581 is a positive and very low dropout voltage regulator with 5A output current capability. When supplying 2.5V or 2.8V on Motherboards or VGA Card where both 5V and 3.3V supplies are available, the superior dropout characteristics of the L1581.
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