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LP2981

National Semiconductor
Part Number LP2981
Manufacturer National Semiconductor
Description Micropower 100 mA Ultra Low-Dropout Regulator
Published Mar 22, 2005
Detailed Description LP2981 Micropower 100 mA Ultra Low-Dropout Regulator March 2000 LP2981 Micropower 100 mA Ultra Low-Dropout Regulator G...
Datasheet PDF File LP2981 PDF File

LP2981
LP2981


Overview
LP2981 Micropower 100 mA Ultra Low-Dropout Regulator March 2000 LP2981 Micropower 100 mA Ultra Low-Dropout Regulator General Description The LP2981 is a 100 mA, fixed-output voltage regulator designed specifically to meet the requirements of battery-powered applications.
Using an optimized VIP™ (Vertically Integrated PNP) process, the LP2981 delivers unequaled performance in all specifications critical to battery-powered designs: Dropout Voltage.
Typically 200 mV @ 100 mA load, and 7 mV @ 1 mA load.
Ground Pin Current.
Typically 600 µA @ 100 mA load, and 80 µA @ 1 mA load.
Sleep Mode.
Less than 1 µA quiescent current when ON/ OFF pin is pulled low.
Smallest Possible Size.
SOT-23and micro SMD packages use an absolute minimum board space.
Precision Output.
0.
75% tolerance output voltages available (A grade).
Eleven voltage options, from 2.
5V to 5.
0V, are available as standard products.
Features n n n n n n n n n n n n Ultra low dropout voltage Output voltage accuracy 0.
75% (A Grade) Guaranteed 100 mA output current Smallest possible size (SOT-23, micro SMD package) < 1 µA quiescent current when shutdown Low ground pin current at all load currents High peak current capability (300 mA typical) Wide supply voltage range (16V max) Fast dynamic response to line and load Low ZOUT over wide frequency range Overtemperature/overcurrent protection −40˚C to +125˚C junction temperature range Applications n n n n Cellular Phone Palmtop/Laptop Computer Personal Digital Assistant (PDA) Camcorder, Personal Stereo, Camera Block Diagram DS012506-1 VIP™ is a trademark of National Semiconductor Corporation.
© 2000 National Semiconductor Corporation DS012506 www.
national.
com LP2981 Connection Diagrams 5-Lead Small Outline Package (M5) micro SMD, 5 Bump Package (BPA05) DS012506-50 DS012506-2 Top View See NS Package Number MF05A For ordering information see Table 1 Bottom View See NS Package Number BPA05 Ordering Information TABLE 1.
Package Marking and Order Information Out...


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